Roback JC, Nagrath A, Kristipati S, Santangelo CD, Hayward RC, "Tuning stiffness of mechanical metamaterial unit cells via transitions to second-order rigid and pre-stressed states", Soft Matter (2025) DOI: 10.1039/d4sm01318b. Epub ahead of print.
166. V. Bui, O.A. Lee, L. Hu, R.C. Hayward, H. Lin, “Nanostructure and CO2/gas Separation Characteristics of Polymerized Anionic Liquids Containing Perfluoroalkyl Sulfonylimide”, Polymer, 325, 128321 (2025). DOI: 10.1016/j.polymer.2025.128321
165. J. Ju, R.C. Hayward, “Formation of Disordered Cocontinuous Phases by Randomly Linked Star Copolymers”, Macromolecules, 58, 1, 256-265 (2024). DOI: 10.1021/acs.macromol.4c02234
164. H. Zhao, R. Tennankore, W. Xu, M. Ticknor, R.C. Hayward, “Temperature Dependent Photoswitching Kinetics of Semi-crystalline Main-chain Poly(azobenzene)s”, Macromolecules, 57, 24, 11331-11338 (2024). DOI: 10.1021/acs.macromol.4c02235
163. K.T. Sullivan, R.C. Hayward, G.M. Grason, “Self-limiting stacks of curvature-frustrated colloidal plates: Roles of intraparticle versus interparticle deformations”, Physical Review E., 110, 024602 (2024). DOI: 10.1103/PhysRevE.110.024602
162. J. Ju, R.C. Hayward, “Interconnected Nanoporous Polysulfone by Self-Assembly of Randomly-Linked Copolymer Networks and Linear Multi-Blocks”, ACS Applied Materials & Interfaces, 16, 26, 34079-34088 (2024). DOI: 10.1021/acsami.4c05207
161. J. Roback, M. Minnis, K. Ghebreyessus, R.C. Hayward, "Visible Light-Triggered Microactuators and Dynamic Surfaces from Hydrogels Containing Photoswitchable Host-Guest Complexes", ACS Applied Polymer Materials, 6, 11, 6627–6634 (2024). DOI: 10.1021/acsapm.4c00917
160. N. Tanjeem, K.M. Kreienbrink, and R.C. Hayward, “Modulating photothermocapillary interactions for logic operations at the air–water interface”, Soft Matter, 20, 8, 1689 (2024). DOI: 10.1039/d3sm01487h
159. P. Pranda, A. Hedegaard, H. Kim, J. Clapper, E. Nelson, L. Hines, R.C. Hayward, T. White, “Directional adhesion of monodomain liquid crystalline elastomers”, ACS Applied Materials & Interfaces, 16, 5, 6394–6402 (2024). DOI: 10.1021/acsami.3c16760
158. O.A. Lee, M. Mcbride, M. Ticknor, J. Sharpes, R.C. Hayward, “Pendent sulfonylimide ionic liquid monomers and ionoelastomers via SuFEx click chemistry”, Chemistry of Materials, 35, 23, 10030-10040 (2023). DOI: 10.1021/acs.chemmater.3c02038
157. J. Ju, R.C. Hayward, “Cocontinuous Nanostructures by Microphase Separation of Statistically Cross-Linked Polystyrene/Poly(2-vinylpyridine) Networks”, ACS Applied Materials & Interfaces, 15, 42, 49633-49641 (2023). DOI: 10.1021/acsami.3c10985
156. H. Shin, J. Shin, R.C. Hayward, H.J. Kim, “Ionoelastomers at electrified interfaces: differential electric double layer capacitances of crosslinked polymeric ions and mobile counter ions”, Macromolecules, 56, 19, 7827-7836 (2023). DOI: 10.1021/acs.macromol.3c01092
154. W. Xu, D. Sanchez, U. Raucci, H. Zhou, Z. Dong, M. Hu, C.J. Bardeen, T.J. Martinez, R.C. Hayward, “Photo-actuators via epitaxial growth of microcrystal arrays in polymer membranes”, Nature Materials, 22, 1152–1159 (2023). DOI: 10.1038/s41563-023-01610-4
153. E.M. Thomas, M.K. Mcbride, O.A. Lee, R.C. Hayward, A.J. Crosby, "Predicting the electrical, mechanical, and geometric contributions to soft electroadhesives through fracture mechanics", ACS Appl. Mater. Interfaces, 15, 25, 30956-30963 (2023). DOI: 10.1021/acsami.3c03392
152. J. Ju, A. Jayaraman, R.C. Hayward, “Temperature-sensitive micro- and macro-phase separation of Hydrogen-bonded Polystyrene-Polydimethylsiloxane blends", Macromolecules, 56, 13, 4991-5000 (2023). DOI: 10.1021/acs.macromol.3c00645
151. J.-W. Kim, C. Chen, H. Kim, S.-H. Kim, R.C. Hayward, “Effect of Surface Tension on Elastocapillary Wrinkling of Interfacially Adsorbed Hydrogel Microdisks with Photothermally Programmed Swelling Profiles", Soft Matter, 19, 3543-3550 (2023). DOI: 10.1039/D3SM00001J
150. M. Berry, D. Limberg, M.E. Lee-Trimble, R.C. Hayward, C.D. Santangelo, “Controlling the configuration space topology of mechanisms”, Phys. Rev. E., 106, 5, 055002 (2022). DOI: 10.1103/PhysRevE.106.055002
149. H. Zhou, A.S. Kuenstler, W. Xu, M. Hu, R.C. Hayward, “A semicrystalline poly(azobenzene) exhibiting room temperature light-induced melting, crystallization, and alignment”, Macromolecules, 55, 23, 10330-10340 (2022). DOI: 10.1021/acs.macromol.2c01576
148. J.J.G. Campos, F. Stricker, K.D. Clark, M. Park, S.J. Bailey, A.S. Kuenstler, R.C. Hayward, J. Read de Alaniz, "Controlled Diels-Alder "click" strategy to access mechanically aligned main-chain liquid crystal networks", Angewandte Chemie International Edition, e202214339 (2022). DOI: 10.1002/anie.202214339
147. M. Berry, Y. Kim, D. Limberg, R.C. Hayward, C.D. Santagelo, "Mechanical signaling cascades", Physical Review Research, 106, 4 (2022). DOI: 10.1103/PhysRevE.106.044212
146. E. Thomas, H. Fu, R.C. Hayward, A.J. Crosby, "Geometry-controlled instabilities for soft-soft adhesive interfaces", Soft Matter, 18, 8098-8105 (2022). DOI: 10.1039/D2SM00808D
144. N.Tanjeem and D.M. Hall, M.B. Minnis, R.C. Hayward, G.M. Grason, “Focussing frustration for self-limiting assembly of flexible, curved particles”, Physical Review Research, 4, 033035 (2022). DOI: 10.1103/PhysRevResearch.4.033035
143. A.J. Berges, W. Li, W. Xu, F. Tong, R.O. Al-Kaysi, R.C. Hayward, C.J. Bardeen, “Photomechanical Structures Based on Porous Alumina Templates Filled with 9-Methylanthracene Nanowires”, Crystals, 12, 808 (2022). DOI: 10.3390/cryst12060808
142. Y. Chen, A.S. Kuenstler, R.C. Hayward, L. Jin, “Formation of rolls from liquid crystal elastomer bistrips”, Soft Matter, 18, 4077-4089 (2022). DOI: 10.1039/D1SM01830B
141. A. Kulshreshtha, R.C. Hayward, A. Jayaraman, “Impact of Composition and Placement of Hydrogen Bonding Groups along Polymer Chains on Blend Phase Behavior: Coarse-Grained Molecular Dynamics Simulation Study” Macromolecules, 55, 2675–2690 (2022). DOI: 10.1021/acs.macromol.2c0005
140. D. Limberg, J.-H. Kang, R.C. Hayward, “Triplet–Triplet Annihilation Photopolymerization for High-Resolution 3D Printing”, JACS, 144, 12, 5226-5232 (2022). DOI: 10.1021/jacs.1c11022
139. Y. Wang, K. Jia, S. Zhang, H.J. Kim, Y. Bai, R.C. Hayward, Z. Suo, "Temperature sensing using junctions between mobile ions and mobile electrons", PNAS, 19, e217962119 (2022) DOI: 10.1073/pnas.2117962119
138. N. Tanjeem, M. Minnis, R.C. Hayward, C.W. Shields IV, “Shape-Changing Particles: From Materials Design and Mechanisms to Implementation”, Advanced Materials, 34, 2105758 (2021). DOI: 10.1002/adma.202105758
137. M. Lee, S. Perry, R.C. Hayward, “Complex Coacervation of Polymerized Ionic Liquids in Non-Aqueous Solvents”, ACS Polymers Au, 1, 100 (2021). DOI: 10.1021/acspolymersau.1c00017
136. R. Selhorst, J. Gaitor, M. Lee, D. Markovich, Y. Yu, M. Treichel, C. Olavarria Gallegos, T. Kowalewski, L.F. Kourkoutis, R.C. Hayward, K.J.T. Noonan, “Multiblock Copolymer Anion-Exchange Membranes Derived from Vinyl Addition Polynorbornenes”, ACS Applied Energy Materials, 4, 10273 (2021). DOI: 10.1021/acsaem.1c02094
135. H. Kim, S. Sundaram, N. Tanjeem, J.-H. Kang, T. Emrick, R.C. Hayward, “Coupled Oscillation and Spinning of Photothermal Particles in Marangoni Optical Traps”, PNAS, 118, e2024581118 (2021). DOI: 10.1073/pnas.2024581118
134. K.R. Chalek, X. Dong, F. Tong, R.A. Kudla, L. Zhu, A.D. Gill, W. Xu, C. Yang, J.D. Hartman, A. Magalhães, R.O. Al-Kaysi, R.C. Hayward, R.J. Hooley, G.J.O. Beran, C.J. Bardeen, L.J. Mueller, “Bridging Photochemistry and Photomechanics with NMR Crystallography: the Molecular Basis for the Macroscopic Expansion of an Anthracene Ester Nanorod”, Chemical Science, 21, 453-463 (2021). DOI: 10.1039/D0SC05118G
133. A.S. Kuenstler, M. Lahikainen, H. Zhou, W. Xu, A. Priimagi, R.C. Hayward, “Reconfiguring Gaussian Curvature of Hydrogel Sheets with Photo-Switchable Host-Guest Interactions”, ACS Macro Letters, 9, 1172-1177 (2020). DOI: 10.1021/acsmacrolett.0c00469
132. D. Zeng, R. Gupta, E.B. Coughlin, R.C. Hayward, “Assembly of Disordered Cocontinuous Morphologies by Multiblock Copolymers with Random Block Sequence and Length Dispersity”, ACS Applied Polymer Materials, 2, 3282-3290 (2020). DOI: 10.1021/acsapm.0c00428
131. S.-W. Oh, T. Guo, A.S. Kuenstler, R.C. Hayward, P. Palffy-Muhoray, X. Zheng, “Measuring the five elastic constants of a nematic liquid crystal elastomer”, Liquid Crystals, 48, 511-520 (2020). DOI: 10.1080/02678292.2020.1790680
130. A.S. Kuenstler, K.D. Clark, J. Read de Alaniz, R.C. Hayward, “Reversible Actuation via Photoisomerization-Induced Melting of a Semicrystalline Poly(Azobenzene)”, ACS Macro Letters, 9, 902-909 (2020). DOI: 10.1021/acsmacrolett.0c00328
129. H. J. Kim, L. Paquin, C.W. Barney, S. So, B. Chen, Z. Suo, A.J. Crosby, R.C. Hayward, “Low-Voltage Reversible Electro-Adhesion of Ionoelastomer Junctions”, Advanced Materials, 32, 2000600 (2020). DOI: 10.1002/adma.202000600
128. K. Korner, A.S. Kuenstler, R.C. Hayward, B. Audoly, K. Bhattacharya, "A nonlinear beam model for photomotile structures", Proceedings of the National Academy of Sciences, 117, 9762-9770 (2020). DOI: 10.1073/pnas.1915374117
127. A.S. Kuenstler, Y. Chen, P. Bui, H. Kim, A. DeSimone, L. Jin, R.C. Hayward, “Blueprinting Photothermal Shape-Morphing of Liquid Crystal Elastomers”, Advanced Materials, 32, 2000609 (2020). DOI: 10.1002/adma.202000609
126. H. Kim, N. Hight-Huf, J.-H. Kang, P. Bisnoff, S. Sundararajan, T. Thompson, M. Barnes, R.C. Hayward, T. Emrick “Polymer Zwitterions for Stabilization of CsPbBr3 Perovskite Nanoparticle and Nanocomposite Films”, Angewandte Chemie International Edition, 59, 10802-10806 (2020). DOI: 10.1002/anie.201916492
125. H. J. Kim, B. Chen, Z. Suo, R.C. Hayward, “Ionoelastomer junctions between polymer networks of fixed anions and cations”, Science, 367, 773-776 (2020). DOI: 10.1126/science.aay8467
124. F. Tong, W. Xu, T. Guo, B. F. Lui, R.C. Hayward, P. Palffy-Muhoray, R.O. Al-Kaysi, C.J. Bardeen, “Photomechanical molecular crystals and nanowire assemblies based on the [2+2] photodimerization of a phenylbutadiene derivative”, J. Mater. Chem. C, 8, 5036–5044 (2020). DOI: 10.1039/c9tc06946a
122. S.J. Jeon, R.C. Hayward, “Simultaneous control of Gaussian curvature and buckling direction by swelling of asymmetric trilayer hydrogel hybrids”, Soft Matter, 16, 688–694 (2020). DOI: 10.1039/c9sm01922g
121. D.E. Acevedo-Cartagena, J. Zhu, M. Kocun, S.S. Nonnenmann, R.C. Hayward, “Tuning metastability of poly(3-hexyl thiophene) solutions to enable in situ atomic force microscopy imaging of surface nucleation”, Macromolecules, 52, 7756–7761 (2019). DOI: 10.1021/acs.macromol.9b01547
120. Y. Zhou, C.M. Duque, C.D. Santangelo, R.C. Hayward, “Biasing buckling direction in shape-programmable hydrogel sheets with through-thickness gradients”, Advanced Functional Materials, 29, 1905273 (2019). DOI: 10.1002/adfm.201905273
119. J.-H. Kang, H. Kim, C.D. Santangelo, R.C. Hayward, "Enabling Robust Self‐Folding Origami by Pre‐Biasing Vertex Buckling Direction", Advanced Materials, 31, 1903006 (2019). DOI: 10.1002/adma.201903006
118. H. Nie, J.L. Self, A.S. Kuenstler, R.C. Hayward, J. Read de Alaniz, “Multi-Addressable Photochromic Architectures: From Molecules to Materials", Advanced Optical Materials, 7, 1900224 (2019).DOI: 10.1002/adom.201900224
117. H. Kim, J.-H. Kang, Y. Zhou, A.S. Kuenstler, Y. Kim, C. Chen, T. Emrick, R.C. Hayward, “Light‐Driven Shape Morphing, Assembly, and Motion of Nanocomposite Gel Surfers”, Advanced Materials, 31, 1900932 (2019). DOI: 10.1002/adma.201900932
116. A.S. Kuenstler, H. Kim, R.C. Hayward, "Liquid Crystal Elastomer Waveguide Actuators", Advanced Materials, 31, 1901216 (2019). DOI: DOI: 10.1002/adma.201901216
115. Q. Liu, T. Ouchi, R.C. Hayward, Z. Suo, “Elastocapillary crease”, Physical Review Letters, 122, 098003 (2019). DOI: 10.1103/PhysRevLett.122.098003
114. D. Zeng, R.C. Hayward, “Effects of Randomly End-Linked Copolymer Network Parameters on the Formation of Disordered Cocontinuous Phases”, Macromolecules, 52, 2642–2650 (2019). DOI: 10.1021/acs.macromol.9b00050
113. A.S. Kuenstler, R.C. Hayward, “Light-Induced Shape Morphing of Thin Films”, Current Opinion in Colloid and Interface Science, 40, 70-86 (2019). DOI: 10.1016/j.cocis.2019.01.009
112. H. Kim, S. So, A. Ribbe, Y., W. Hu, V.V. Duzhko, R.C. Hayward, T. Emrick, "Functional Polymers for Stabilizing CsPbBr3 Perovskite Nanoparticles", Chemical Communications, 55, 1833-1836 (2019). DOI: 10.1039/C8CC09343A
111. A. Sathyan, R.C. Hayward, T. Emrick "Ring-Opening Polymerization of Allyl-Functionalized Lactams", Macromolecules, 52, 167-175 (2019). DOI: 10.1021/acs.macromol.8b02148
110. A. Auguste, J. Yang, L. Jin, D. Chen, Z. Suo, R.C. Hayward, “Formation of high aspect ratio wrinkles and ridges on elastic bilayers with small thickness contrast”, Soft Matter, 14, 8545-8551 (2018). DOI: 10.1039/c8sm01345d
109. N. Bende, T. Yu, N.A. Corbin, M.A. Dias, C.D. Santangelo, J.A. Hanna, R.C. Hayward, "Overcurvature-induced multi-stability of conical frusta: How a ‘bendy straw’ holds it shape", Soft Matter, 14, 8636-8642 (2018). DOI: 10.1039/C8SM01355A
107. W. Huang, R.C. Hayward, “Orthogonal Ambipolar Semiconductors with Inherently Multi-Dimensional Response for the Discriminative Sensing of Chemical Vapors”, ACS Applied Materials & Interfaces, 10, 33353–33359 (2018). DOI: 10.1021/acsami.8b10789
106. T. Ouchi, J. Yang, Z. Suo, R.C. Hayward, "Effects of stiff film pattern geometry on surface buckling instabilities of elastic bilayers", ACS Applied Materials & Interfaces, 10, 23406–23413 (2018). DOI: 10.1021/acsami.8b04916
105. D. Zeng, A. Ribbe, H. Kim, R.C. Hayward, "Stress-induced Orientation of Cocontinuous Nanostructures within Randomly End-linked Copolymer Networks", ACS Macro Letters, 7, 828-833 (2018). DOI: 10.1021/acsmacrolett.8b00453
104. K. Heo, C. Miesch, J.-H. Na, T. Emrick, R.C. Hayward, “Assembly of P3HT/CdSe nanowire networks in an insulating polymer host”, Soft Matter, 14, 5327 - 5332 (2018). DOI: 10.1039/C8SM01001C
103. R.A. Letteri, C.F. Santa Chalarca, Y. Bai, R.C. Hayward, T. Emrick, “Forming Sticky Droplets from Slippery Polymer Zwitterions”, Advanced Materials, 29, 1702921 (2017). DOI: 10.1002/adma.201702921
102. S. Sundaram, D.S. Kim, M.A. Baldo, R.C. Hayward ,W. Matusik, "3D-Printed Self-Folding Electronics", ACS Applied Materials and Interfaces, 9, 32290 - 32298 (2017). DOI: 10.1021/acsami.7b10443
101. D. Zeng, A. Ribbe, R.C. Hayward, "Anisotropic and Interconnected Nanoporous Materials from Randomly End-linked Copolymer Networks", Macromolecules, 50, 4668-4676 (2017). DOI: 10.1021/acs.macromol.7b00007
100. S. So, R.C. Hayward, "Tunable Upper Critical Solution Temperature of Poly(N-isopropylacrylamide) in Ionic Liquids for Sequential and Reversible Self-Folding", ACS Applied Materials & Interfaces, 9, 15785-15790 (2017). DOI: 10.1021/acsami.7b02953
99. S.-J. Jeon, A.W. Hauser, R.C. Hayward, “Shape Morphing Materials from Stimuli-Responsive Hydrogel Hybrids”, Accounts of Chemical Research, 50, 161-169 (2017). DOI: 10.1021/acs.accounts.6b00570
98. J. Bae, N.P. Bende, A.A. Evans, J.-H. Na, C.D. Santangelo, R.C. Hayward, “Programmable and reversible assembly of soft capillary multipoles”, Materials Horizons, 4, 228-235 (2017). DOI: 10.1039/c6mh00531d
96. S.P. Ertem, B.R. Caire, T.-H. Tsai, D. Zeng, M.A. Vandiver, A. Kusoglu, S. Seifert, R.C. Hayward, A.Z. Weber, A.M. Herring, E.B. Coughlin, M.W. Liberatore, “Ion transport properties of mechanically stable symmetric ABCBA pentablock copolymers with quaternary ammonium functionalized midblock”, Journal of Polymer Science B-Polymer Physics, 55, 612-622 (2017). DOI: 10.1002/polb.24310
95. Y. Kim, H.J. Kim, J.-S. Kim, R.C. Hayward, B.J. Kim, “Architectural Effects on Solution Self Assembly of Conjugated Rod–Coil Poly(3-hexylthiophene)-graft-poly(2-vinylpyridine) Copolymers”, ACS Applied Materials & Interfaces, 9, 2933-2941 (2017). DOI: 10.1021/acsami.6b12193
94. A. Auguste, L. Jin, Z. Suo, R.C. Hayward, “Post-wrinkle bifurcations in elastic bilayers with modest contrast in modulus”, Extreme Mechanics Letters, 11, 30-36 (2017). DOI: 10.1016/j.eml.2016.11.013
92. K.H. Ku, J. Shin, D. Klinger, S.G. Jang, R.C. Hayward, C.J. Hawker, B.J. Kim, “Particles with Tunable Porosity and Morphology by Controlling Interfacial Instability in Block Copolymer Emulsions”, ACS Nano, 10, 5243-5251 (2016). DOI: 10.1021/acsnano.6b00985
91. Y. Zhou, A.W. Hauser, N.P. Bende, M.G. Kuzyk, R.C. Hayward, “Waveguiding microactuators based on a photothermally responsive nanocomposite hydrogel”, Advanced Functional Materials, 26, 5447-5452 (2016). DOI: 10.1002/adfm.201601569
90. J.-H. Na, N.P. Bende, J. Bae, C.D. Santangelo, R.C. Hayward, “Grayscale gel lithography for programmed buckling of non-Euclidean hydrogel plates”, Soft Matter, 12, 4985-4990 (2016). DOI: 10.1039/C6SM00714G
89. B. Xu, Q. Liu, Z. Suo, R.C. Hayward, “Reversible electrochemically-triggered delamination blistering of hydrogel films on micro patterned electrodes”, Advanced Functional Materials, 26, 3218-3225 (2016). DOI: 10.1002/adfm.201504769
88. A.W. Hauser, D. Liu, K.C. Bryson, R.C. Hayward, D.J. Broer, "Reconfiguring Nanocomposite Liquid Crystal Polymer Films with Visible Light", Macromolecules, 49, 1575-1581 (2016). DOI: 10.1021/acs.macromol.6b00165
86. C.-C. Chang, R. Letteri, R.C. Hayward, T. Emrick, “Functional Sulfobetaine Polymers: Synthesis and Salt-Responsive Stabilization of Oil-in-Water Droplets”, Macromolecules, 48, 7843-7850 (2015). DOI: 10.1021/acs.macromol.5b01861
85. D. Chen, C.-C. Chang, B. Cooper, A. Silvers, T. Emrick, R.C. Hayward, “Photo‐patternable Biodegradable Aliphatic Polyester with Pendent Benzophenone Groups”, Biomacromolecules, 16, 3329-3335 (2015). DOI: 10.1021/acs.biomac.5b00991
84. H.J. Kim, M. Skinner, A.L. Briseno, T. Emrick, B.J. Kim, R.C. Hayward, “Water Processable Polythiophene Nanowires by Photo-crosslinking and Click-functionalization”, Nano Letters, 15, 5689-5695 (2015). DOI: 10.1021/acs.nanolett.5b01185
83. A.W. Hauser, R.C. Hayward, “Random photografting of polymers to nanoparticles for well-dispersed nanocomposites”, Journal of Polymer Science B, 54, 152-158 (2016).DOI: 10.1002/polb.23803
82. J. Bae, T. Ouchi, R.C. Hayward, "Measuring the elastic modulus of thin polymer sheets by elastocapillary bending", ACS Applied Materials & Interfaces, 7, 14734-14742 (2015). DOI: 10.1021/acsami.5b02567
81. K.C. Bryson, T.I. Löbling, A.H.E. Müller, T.P. Russell, R.C. Hayward, "Using Janus Nanoparticles to Trap Polymer Blend Morphologies during Solvent-Evaporation-Induced Demixing", Macromolecules, 48, 4220-4227 (2015). DOI: 10.1021/acs.macromol.5b00640
80. L. Jin, A. Auguste, R.C. Hayward, Z. Suo, "Bifurcation diagrams for the formation of wrinkles or creases in soft bilayers", Journal of Applied Mechanics, 82, 061008 (2015). DOI: 10.1115/1.4030384
79. D.E. Acevedo-Cartagena, J. Zhu, E. Trabanino, E. Pentzer, T. Emrick, S.S. Nonnenmann, A.L. Briseno, R.C. Hayward, “Selective Nucleation of Poly(3-hexyl thiophene) Nanofibers on Multilayer Graphene Substrates”, ACS Macro Letters, 4, 483-487 (2015) DOI: 10.1021/acsmacrolett.5b00038
78. A.W. Hauser, A.A. Evans, J.-H. Na, R.C. Hayward, “Photothermally-Reprogrammable Buckling of Nanocomposite Gel Sheets”, Angewandte Chemie International Edition, 54, 5434-5437 (2015). DOI: 10.1002/anie.201412160
77. J.L. Silverberg, J.-H. Na, A.A. Evans, B. Liu, T. Hull, C.D. Santangelo, R.J. Lang, R.C Hayward, I. Cohen, “Origami structures with a critical transition to bistability arising from hidden degrees of freedom”, Nature Materials, 14, 389-393 (2015). DOI: 10.1038/nmat4232
76. L. Bu, T.J. Dawson, R.C. Hayward, "Tailoring Ultrasound-Induced Growth of Perylene Diimide Nanowire Crystals from Solution by Modification with Poly(3-hexyl thiophene)”, ACS Nano, 9, 1878-1885 (2015) DOI: 10.1021/nn506795q
75. D. Chen, R. Hyldahl, R.C. Hayward, “Creased hydrogels as active platforms for mechanical deformation of cultured cells”, Lab on a Chip, 15, 1160-1167 (2015). DOI: 10.1039/C4LC01296H
74. C.N. Walker, K. Bryson, R.C. Hayward, G.N. Tew, “Wide Bicontinuous Compositional Windows from Co-Networks Made with Telechelic Macromonomers”, ACS Nano, 8, 12376-12385 (2014). DOI: 10.1021/nn505026a
73. B.A.G. Hammer, M.A. Reyes-Martinez, F.A. Bokel, F. Liu, T.P. Russell, A.L. Briseno, R.C. Hayward, T. Emrick, “Robust Polythiophene Nanowires Cross-linked with Functional Fullerenes”, Journal of Materials Chemistry C, 2, 9674-9682 (2014). DOI: 10.1039/C4TC01898B
72. N. Bende, A.E. Evans, S. Innes-Gold, L.A. Marin, I. Cohen, R.C. Hayward, C.D. Santangelo, "Geometrically controlled snapping transitions in shells with curved creases", Proceedings of the National Academy of Sciences, 112, 11175-11180 (2015). DOI: 10.1073/pnas.1509228112
69. D. Chen, J. Yoon, D. Chandra, A.J. Crosby, R.C. Hayward, “Stimuli responsive buckling mechanics of polymer films”, Journal of Polymer Science B, 52, 1441-1461 (2014) DOI: 10.1002/polb.23590
68. J. Bae, C.D. Santangelo, R.C Hayward, “Edge-defined metric buckling of temperature-responsive hydrogel ribbons and rings”, Polymer, 55, 5908-5914 (2014) DOI: 10.1016/j.polymer.2014.08.033
67. A. Auguste, L. Jin, Z. Suo, R.C. Hayward, “The role of substrate pre-stretch in post-wrinkling bifurcations”, Soft Matter, 10, 6520-6529 (2014). DOI: 10.1039/C4SM01038H
66. N.P. Bende, R.C. Hayward, C.D. Santangelo, “Nonuniform growth and topological defects in the shaping of elastic sheets”, Soft Matter, 10, 6382-6386 (2014). DOI: 10.1039/C4SM00845F
65. J.L. Silverberg, A.A. Evans, L. McLeod, R.C. Hayward, T. Hull, C.D. Santangelo, I. Cohen, "Using origami design principles to fold reprogrammable mechanical metamaterials", Science, 345, 647-650 (2014). DOI: 10.1126/science.1252876
64. J. Bae, T.P. Russell, R.C. Hayward, "Osmotically-driven formation of double emulsions stabilized by amphiphilic block copolymers", Angewandte Chemie International Edition, 53, 8240-8245 (2014). DOI: 10.1002/anie.201405229
63. B. Xu, D. Chen, R.C. Hayward, “Mechanically Gated Electrical Switches by Creasing of Patterned Metal/Elastomer Bilayer Films”, Advanced Materials, 26, 4381-4385 (2014) DOI: 10.1002/adma.201400992
62. B.A.G. Hammer , M.A. Reyes-Martinez , F.K. Bokel , F. Liu , T.P. Russell , R.C. Hayward , A.L. Briseno , and T. Emrick, “Reversible, Self Cross-linking Nanowires from Thiol-Functionalized Polythiophene Diblock Copolymers”, ACS Applied Materials and Interfaces, 6, 7705-7711 (2014). DOI: 10.1021/am500976w
61. C.H. Lee, A.J. Crosby, R.C. Hayward, T. Emrick, “Patterning Nanoparticles into Rings by ‘2‑D Pickering Emulsions’”, ACS Applied Materials and Interfaces, 6, 4850-4855 (2014). DOI: 10.1021/am405828a
60. M.W. Gramlich, J. Bae, R.C. Hayward, J. Ross, “Fluorescence imaging of nanoscale domains in polymer blends using stochastic optical reconstruction microscopy (STORM)”, Optics Express, 22, 8438-8450 (2014). DOI: 10.1364/OE.22.008438
59. M. Baghgar, J.A. Labastide, F. Bokel, R.C. Hayward, M.D. Barnes, “Effect of Polymer Chain Folding on the Transition from H- to J-Aggregate Behavior in P3HT Nanofibers”, The Journal of Physical Chemistry C, 118, 2229–2235 (2014). DOI: 10.1021/jp411668g
58. C.H. Lee, A.J. Crosby, T. Emrick, R.C. Hayward, “Characterization of heterogeneous polyacrylamide hydrogels by tracking of single quantum dots”, Macromolecules, 47, 741-749 (2014). DOI: 10.1021/ma402373s
57. D. Chen, L. Jin, Z. Suo, R.C. Hayward, "Controlled formation and disappearance of creases", Materials Horizons, 1, 207-213 (2014). DOI: 10.1039/C3MH00107E
56. L. Jin, D. Chen, R.C. Hayward, Z. Suo "Creases on the interface between two soft materials", Soft Matter, 10, 303-311 (2014). DOI: 10.1039/C3SM51512E
55. K. Heo, C. Miesch, T. Emrick, R.C. Hayward, "Thermally reversible aggregation of gold nanoparticles in polymer nanocomposites through hydrogen bonding", Nano Letters, 13, 5297-5302 (2013). DOI: 10.1021/nl402813q
54. B. Xu, R.C. Hayward, "Low voltage switching of crease patterns on hydrogel surfaces", Advanced Materials, 25, 5555-5559 (2013). DOI: 10.1002/adma.201300968
53. M. Byun, C.D. Santangelo, R.C. Hayward, "Swelling-driven rolling and anisotropic expansion of striped gel sheets", Soft Matter, 9, 8264-8273 (2013). DOI: 10.1039/C3SM50627D
52. C.A. Vaine,M.K. Patel, J. Zhu, E. Lee, R.W. Finberg, R.C. Hayward, E.A. Kurt-Jones, "Tuning Innate Immune Activation by Surface Texturing of Polymer Microparticles: The Role of Shape in Inflammasome Activation", Journal of Immunology, 190, 1200492 (2013). DOI: 10.4049/jimmunol.1200492
51. L. Bu, E. Pentzer, F.A. Bokel, T. Emrick, R.C. Hayward, "Growth of poly(3-hexyl thiophene)/perylene tetracarboxydiimide donor/acceptor shish-kebab nanostructures by coupled crystal modification", ACS Nano, 6,10924-10929 (2012). DOI: 10.1021/nn3043836
49. I.M. Henderson, R.C. Hayward, "Kinetic stabilities of bis-terpyridine complexes with iron(II) and cobalt(II) in organic solvent environments", Journal of Materials Chemistry, 22, 21366-21369 (2012). DOI: 10.1039/C2JM33870J
48. D. Chen, S. Cai, Z.G. Suo, R.C. Hayward, "Surface Energy as a Barrier to Creasing of Elastomer Films: An Elastic Analogy to Classical Nucleation", Physical Review Letters, 109, 038001 (2012). DOI: 10.1103/PhysRevLett.109.038001
47. M. Baghgar, J. Labastide, F. Bokel, I. Dujovne, A. McKenna, A.M. Barnes, E. Pentzer, T. Emrick, R.C. Hayward, M.D. Barnes, “Probing Inter- and Intrachain Exciton Coupling in Isolated Poly(3-hexylthiophene) Nanofibers: Effect of Solvation and Regioregularity”, Journal of Physical Chemistry Letters, 3, 1674-1679 (2012). DOI: 10.1021/jz3005909
46. J. Yoon, P. Bian, J. Kim, T.J. McCarthy, R.C. Hayward, “Local switching of chemical patterns through light-triggered unfolding of creased hydrogel surfaces”, Angewandte Chemie International Edition, 51, 7146-7149 (2012). DOI: 10.1002/anie.201202692
45. S.K. Christensen, M.C. Chiappelli, R.C. Hayward, “Gelation of copolymers with pendent benzophenone photo-crosslinkers”, Macromolecules, 45, 5237-5246 (2012). DOI: 10.1021/ma300784d
44. J. Kim, R.C. Hayward, “Stimuli responsive materials as dynamic substrates and matrices for cell culture”, Trends in Biotechnology, 30, 426-439 (2012). DOI: 10.1016/j.tibtech.2012.04.003
43. J. Bae, J. Lawrence, C. Miesch, A. Ribbe, W.K. Li, T. Emrick, J. Zhu, R.C. Hayward, “Multifunctional Nanoparticle-Loaded Spherical and Wormlike Micelles Formed by Interfacial Instabilities”, Advanced Materials, 24, 2735-2741 (2012). DOI: 10.1002/adma.201200570
42. E.B. Pentzer, F.A. Bokel, R.C. Hayward, T. Emrick, “Nanocomposite ‘superhighways’ by solution assembly of semiconductor nanostructures with ligand-functionalized conjugated polymers”, Advanced Materials, 24, 2254-2258 (2012). DOI: 10.1002/adma.201104788
41. L. Li, X. Shen, S.W. Hong, R.C. Hayward, T.P. Russell, “Fabrication of Co-continuous Nano-structured and Porous Polymer Membranes Through Spinodal Decomposition of Homopolymer/Random Copolymer Blends”, Angewandte Chemie International Edition, 51, 4089-4094 (2012). DOI: 10.1002/anie.201107867
40. I.M. Henderson, R.C. Hayward, “Substituent Effects on the Stabilities of Polymeric and Small Molecule bis-Terpyridine Complexes”, Polymer Chemistry, 3, 1221-1230 (2012). DOI: 10.1039/C2PY20042B
39. J.Kim, J.A. Hanna, M. Byun, C.D. Santangelo, R.C. Hayward, “Designing responsive buckled surfaces by halftone gel lithography”, Science, 335, 1201-1205 (2012). DOI: 10.1126/science.1215309
38. J.Kim, J.A. Hanna, R.C. Hayward, C.D. Santangelo, “Thermally responsive rolling of thin gel strips with discrete variations in swelling”, Soft Matter, 8, 2375-2381 (2012). DOI: 10.1039/C2SM06681E
37. C.Miesch, I. Kosif, E. Lee, J.-K. Kim, T.P. Russell, R.C. Hayward, T. Emrick, “Nanoparticle-stabilized double emulsions and compressed droplets”, Angewandte Chemie International Edition, 51, 145-149 (2012). DOI: 10.1002/anie.201106665
36. S. Cai, D. Chen, Z.G. Suo, R.C. Hayward, "Creasing instability of elastomer films", Soft Matter, 8, 1301-1304 (2012). DOI: 10.1039/C2SM06844C
35. J. Zhu, R.C. Hayward, “Interfacial tension of evaporating emulsion droplets containing amphiphilic block copolymers: Effects of solvent and polymer composition”, Journal of Colloid and Interface Science, 365, 275-279 (2012). DOI: 10.1016/j.jcis.2011.09.020
34. B.A.G. Hammer, F.A. Bokel, R.C. Hayward, T. Emrick, "Cross-Linked Conjugated Polymer Fibrils: Robust Nanowires from Functional Polythiophene Diblock Copolymers", Chemistry of Materials, 23, 4250-4256 (2011). DOI: 10.1021/cm2018345
33. E. Lee, B. Hammer, J.-K. Kim,Z. Page, T. Emrick, R.C. Hayward, "Hierarchical Helical Assembly of Conjugated Poly(3-hexylthiophene)-block-poly(3-triethylene glycol thiophene) Diblock Copolymers", Journal of the American Chemical Society, 133, 10390-10393 (2011). DOI: 10.1021/ja2038547
32. D. Basak, S. Christensen, S.K. Surampudi, C. Versek, D.T. Toscano, M.T. Tuominen, R.C. Hayward, D. Venkataraman, "Proton conduction in discotic mesogens", Chemical Communications, 47, 5566-5568 (2011). DOI: 10.1039/c1cc10509d
31. L. Li, C. Miesch, P.K. Sudeep, A.C. Balazs, T. Emrick, T.P. Russell, R.C. Hayward, "Kinetically trapped co-continuous polymer morphologies through intraphase gelation of nanoparticles", Nano Letters, 11, 1997-2003 (2011). DOI: 10.1021/nl200366z
30. F.A. Bokel, P.K. Sudeep, E. Pentzer, T. Emrick, R.C. Hayward, "Assembly of Poly(3-hexyl thiophene)/CdSe Hybrid Nanowires by Cocrystallization", Macromolecules, 44, 1768-1770 (2011). DOI: 10.1021/ma2003807
29. K. Saha, J. Kim, E. Irwin, J. Yoon, F. Momin, V. Trujillo, D.V. Schaffer, K.E. Healy, R.C. Hayward, "Surface creasing instability of soft polyacrylamide cell culture substrates", Biophysical Journal, 99, L94-L96 (2010). DOI: 10.1016/j.bpj.2010.09.045
28. J. Yoon, S. Cai, Z. Suo, R.C. Hayward, "Poroelastic swelling kinetics of thin hydrogel layers: comparison of theory and experiment", Soft Matter, 6, 6004-6012 (2010). DOI: 10.1039/C0SM00434K
27. J. Yoon, J. Kim, R.C. Hayward, "Nucleation, growth, and hysteresis of surface creases on swelled polymer gels", Soft Matter, 6, 5807-5816 (2010). DOI: 10.1039/C0SM00372G
26. L. Li, K. Matsunaga, J.T. Zhu, T. Higuchi, H. Yabu, M. Shimomura, H. Jinnai, R.C. Hayward, T.P. Russell, "Solvent-Driven Evolution of Block Copolymer Morphology under 3D Confinement", Macromolecules, 43, 7807-7812 (2010). DOI: 10.1021/ma101529b
25. Y. Chen, M. Thorn, S. Christensen, C. Versek, A. Poe, R.C. Hayward, M.T. Tuominen, S. Thayumanavan, "Enhancement of anhydrous proton transport by supramolecular nanochannels in comb polymers", Nature Chemistry, 2, 503-508 (2010). DOI: 10.1038/NCHEM.629
24. R.C. Hayward, D.J. Pochan "Tailored Assemblies of Block Copolymers in Solution: It Is All about the Process", Macromolecules, 43, 3577-3584 (2010). DOI: 10.1021/ma9026806
23. I.M. Henderson, R.C. Hayward, "Synthesis of End-Functionalized Polystyrene by Direct Nucleophilic Addition of Polystyryllithium to Bipyridine or Terpyridine", Macromolecules, 43, 3249-3255 (2010). DOI: 10.1021/ma1001657
22. J. Kim, J. Yoon, R.C. Hayward, "Dynamic display of biomolecular patterns through an elastic creasing instability of stimuli-responsive hydrogels", Nature Materials, 9, 159-164 (2010). DOI: 10.1038/nmat2606
21. J.T. Zhu, N. Ferrer, R.C. Hayward, "Tuning the assembly of amphiphilic block copolymers through instabilities of solvent/water interfaces in the presence of aqueous surfactants", Soft Matter, 5, 2471-2478 (2009). DOI: 10.1039/b818065b
20. M. Sörensen, J.T. Zhu, R.W. Corkery, R.C. Hayward, P.C.A. Alberius, “Control of internal (2D and 3D hexagonal) mesostructure and particle morphology of spherical mesoporous silica particles using the emulsion and solvent evaporation (ESE) method”, Microporous and Mesoporous Materials, 120, 359-367 (2009). DOI: 10.1016/j.micromeso.2008.12.002
19. J.T. Zhu, R.C. Hayward, "Wormlike micelles with microphase-separated cores from blends of amphiphilic AB and hydrophobic BC diblock copolymers ", Macromolecules, 41, 7794-7797 (2008). DOI: 10.1021/ma801783m
18. J.T. Zhu, R.C. Hayward, "Spontaneous generation of amphiphilic block copolymer micelles with multiple morphologies through interfacial instabilities", Journal of the American Chemical Society, 130, 7496-7502 (2008). DOI: 10.1021/ja801268e
17. J.T. Zhu, R.C. Hayward, "Hierarchically structured microparticles formed by interfacial instabilities of emulsion droplets containing amphiphilic block copolymers ", Angewandte Chemie International Edition, 47, 2113-2116 (2008). DOI: 10.1002/anie.200704863
15. V. Trujillo, J. Kim, R.C. Hayward, "Creasing instability of surface attached hydrogels", Soft Matter, 4, 564-569 (2008). DOI: 10.1039/b713263h
14. R.C. Hayward, A.S. Utada, N. Dan, D.A. Weitz, "Dewetting instability during the formation of polymersomes from block-copolymer-stabilized double emulsions", Langmuir, 22, 4457-4461 (2006). DOI: 10.1021/la060094b
13. R.C. Hayward, B.F. Chmelka, E.J. Kramer, "Template cross-linking effects on morphologies of swellable block copolymer and mesostructured silica thin films", Macromolecules, 38, 7768-7783 (2005). DOI: 10.1021/ma0477854
12. R.C. Hayward, B.F. Chmelka, E.J. Kramer, "Cross-linked poly(styrene)-block-poly(2-vinylpyridine) thin films as swellable templates for mesostructured silica and titania", Advanced Materials, 17, 2591-2595 (2005). DOI: 10.1002/adma.200500334
10. R. Mezzenga, C. Meyer, C. Servais, A.I. Romoscanu, L. Sagalowicz, R.C. Hayward, "Shear rheology of lyotropic liquid crystals: a case study", Langmuir, 21, 3322-3333 (2005). DOI: 10.1021/la046964b
9. N.A. Melosh, B.J. Scott, C.A. Steinbeck, R.C. Hayward, P. Davidson, G.D. Stucky, B.F. Chmelka "Mesostructured silica block copolymer composites as hosts for optically limiting tetraphenylporphyrin dye materials", Journal of Physical Chemistry B, 108, 11909-11914 (2004). DOI: 10.1021/jp040064m
8. N. Hedin, R. Graf, S.C. Christiansen, C. Gervais, R.C. Hayward, J. Eckert, B.F. Chmelka, "Structure of a surfactant-templated silicate framework in the absence of 3D crystallinity", Journal of the American Chemical Society,126, 9425-9432 (2004). DOI: 10.1021/ja040030s
7. R.C. Hayward, P.C.A. Alberius, E.J. Kramer, B.F. Chmelka, "Thin films of bicontinuous cubic mesostructured silica templated by a nonionic surfactant", Langmuir, 20, 5998-6004 (2004). DOI: 10.1021/la030442z
6. R.A. Segalman, A. Hexemer, R.C. Hayward, E.J. Kramer, "Ordering and melting of block copolymer spherical domains in 2 and 3 dimensions", Macromolecules, 36, 3272-3288 (2003). DOI: 10.1021/ma021367m
5. P.C.A. Alberius, K. Frindell, R.C. Hayward, E.J. Kramer, G.D. Stucky, B.F. Chmelka, "General predictive syntheses of cubic, hexagonal, and lamellar silica and titania mesostructured thin films", Chemistry of Materials, 14, 3284-3294 (2002). DOI: 10.1021/cm011209u
4. R.C. Hayward, P. Alberius-Henning, B.F. Chmelka, G.D. Stucky, "The current role of mesostructures in composite materials and device fabrication", Microporous and Mesoporous Materials,44-45, 619-624 (2001). DOI: 10.1016/S1387-1811(01)00242-6
2. W.W. Graessley, R.C. Hayward, G.S. Grest, "Excluded volume effects in polymer solutions. Comparison of experimental results with numerical simulation data", Macromolecules,32, 3510-3517 (1999). DOI: 10.1021/ma981915p
1. R.C. Hayward, W.W. Graessley, "Excluded volume effects in polymer solutions. Dilute solution properties of linear chains in good and Theta solvents", Macromolecules, 32, 3502-3509 (1999). DOI 10.1021/ma981914x:
