Publications

Schmitt SK, Trebatoski DJ, Krutty JD, Xie AW, Rollins B, Murphy WL, et al.. Peptide Conjugation to a Polymer Coating via Native Chemical Ligation of Azlactones for Cell Culture. Biomacromolecules. 2016;17:1040-1047.
Le NNT, Zorn S, Schmitt SK, Gopalan P, Murphy WL. Hydrogel arrays formed via differential wettability patterning enable combinatorial screening of stem cell behavior. Acta Biomaterialia. 2016;34:93-103.
Kanimozhi C, Kim M, Larson SR, Choi JW, Choo Y, Sweat DP, et al.. Isomeric Effect Enabled Thermally Driven Self-Assembly of Hydroxystyrene-Based Block Copolymers. Acs Macro Letters. 2016;5:833-838.
Mehlenbacher RD, McDonough TJ, Kearns NM, Shea MJ, Joo Y, Gopalan P, et al.. Polarization-Controlled Two-Dimensional White-Light Spectroscopy of Semiconducting Carbon Nanotube Thin Films. Journal of Physical Chemistry C. 2016;120:17069-17080.
Krutty JD, Schmitt SK, Gopalan P, Murphy WL. Surface functionalization and dynamics of polymeric cell culture substrates. Current Opinion in Biotechnology. 2016;40:164-169.
Choi JW, Carter MCD, Wei W, Kanimozi C, Speetjens FW, Mahanthappa MK, et al.. Self-Assembly and Post-Fabrication Functionalization of Microphase Separated Thin Films of a Reactive Azlactone-Containing Block, Copolymer. Macromolecules. 2016;49:8177-8186.
Oudenhoven TA, Joo Y, Laaser JE, Gopalan P, Zanni MT. Dye aggregation identified by vibrational coupling using 2D IR spectroscopy. Journal of Chemical Physics. 2015;142.
Schmitt SK, Xie AW, Ghassemi RM, Trebatoski DJ, Murphy WL, Gopalan P. Polyethylene Glycol Coatings on Plastic Substrates for Chemically Defined Stem Cell Culture. Adv. Healthcare Mater. 2015;4:1555-1564.
Laaser JE, Skoff DR, Ho JJ, Joo Y, Serrano AL, Steinkruger JD, et al.. Two-Dimensional Sum-Frequency Generation Reveals Structure and Dynamics of a Surface-Bound Peptide. Journal of the American Chemical Society. 2014;136:956-962.
Laaser JE, Christianson JR, Oudenhoven TA, Joo Y, Gopalan P, Schmidt JR, et al.. Dye Self-Association Identified by Intermolecular Couplings between Vibrational Modes As Revealed by Infrared Spectroscopy, and Implications for Electron Injection. Journal of Physical Chemistry C. 2014;118:5854-5861.
Zou XB, Lu X, Lucas R, Kuech TF, Choi JW, Gopalan P, et al.. Growth and characterization of horizontal GaN wires on silicon. Applied Physics Letters. 2014;104.
Sweat DP, Kim M, Schmitt AK, Perroni DV, Fry CG, Mahanthappa MK, et al.. Phase Behavior of Poly(4-hydroxystyrene-block-styrene) Synthesized by Living Anionic Polymerization of an Acetal Protected Monomer. Macromolecules. 2014;47:6302-6310.
Sweat DP, Kim M, , Choi JW, Choo Y, Osuji CO, et al.. Rational Design of a Block Copolymer with a High Interaction Parameter. Macromolecules. 2014;47:6687-6696.
Speetjens FW, Carter MCD, Kim M, Gopalan P, Mahanthappa MK, Lynn DM. Post-Fabrication Placement of Arbitrary Chemical Functionality on Microphase-Separated Thin Films of Amine-Reactive Block Copolymers. Acs Macro Letters. 2014;3:1178-1182.
Zou XB, Lu X, Lucas R, Kuech TF, Choi JW, Gopalan P, et al.. Growth and characterization of horizontal GaN wires on silicon. Applied Physics Letters. 2014;104.
Sweat DP, Yu X, Kim M, Gopalan P. Synthesis of Poly(4-hydroxystyrene)-Based Block Copolymers Containing Acid-Sensitive Blocks by Living Anionic Polymerization. Journal of Polymer Science Part A. 2014;52:1458-1468.
Joo Y, Spalenka JW, McElhinny KM, Schmitt SK, Evans PG, Gopalan P. Structured Layer of Rhenium Dye on SiO2 and TiO2 Surfaces by Langmuir-Blodgett Technique. Langmuir. 2014;30:6104-6113.
Johnson PS, Huang CS, Kim M, Safron NS, Arnold MS, Wong BM, et al.. Orientation of a Mono layer of Dipolar Molecules on Graphene from X-ray Absorption Spectroscopy. Langmuir. 2014;30:2559-2565.
Zhao Y, Huang C, Kim M, Wong BM, Leonard F, Gopalan P, et al.. Functionalization of Single-Wall Carbon Nanotubes with Chromophores of Opposite Internal Dipole Orientation. ACS Applied Materials & Interfaces. 2013;5:9355-9361.
Widin JM, Kim M, Schmitt AK, Han E, Gopalan P, Mahanthappa MK. Bulk and Thin Film Morphological Behavior of Broad Dispersity Poly(styrene-b-methyl methacrylate) Diblock Copolymers. Macromolecules. 2013;46:4472-4480.
Sweat DP, Kim M, Yu X, Schmitt SK, Han E, Choi JW, et al.. A Dual Functional Layer for Block Copolymer Self-Assembly and the Growth of Nanopatterned Polymer Brushes. Langmuir. 2013;29:12858-12865.
Sweat DP, Kim M, Yu X, Gopalan P. A Single-Component Inimer Containing Cross-Linkable Ultrathin Polymer Coating for Dense Polymer Brush Growth. Langmuir. 2013;29:3805-3812.
Schmitt SK, Murphy WL, Gopalan P. Crosslinked PEG mats for peptide immobilization and stem cell adhesion. Journal of Materials Chemistry B. 2013;1:1349-1360.
Liu CC, Ramirez-Hernandez A, Han E, Craig GSW, Tada Y, Yoshida H, et al.. Chemical Patterns for Directed Self-Assembly of Lamellae-Forming Block Copolymers with Density Multiplication of Features. Macromolecules. 2013;46:1415-1424.
Kim M, Han E, Sweat DP, Gopalan P. Interplay of surface chemical composition and film thickness on graphoepitaxial assembly of asymmetric block copolymers. Soft Matter. 2013;9:6135-6141.
Spalenka JW, Gopalan P, Katz HE, Evans PG. Electron mobility enhancement in ZnO thin films via surface modification by carboxylic acids. Applied Physics Letters. 2013;102:041602/1-041602/5.
Ireland RM, Dawidczyk TJ, Cottingham P, McQueen T, Johns G, Markovic N, et al.. Effects of Pulsing and Interfacial Potentials on Tellurium-Organic Heterostructured Films. ACS Applied Materials & Interfaces. 2013;5:1604-1611.
Hu H, Rangou S, Kim M, Gopalan P, Filiz V, Avgeropoulos A, et al.. Continuous Equilibrated Growth of Ordered Block Copolymer Thin Films by Electrospray Deposition. Acs Nano. 2013;7:2960-2970.
McGee DJ, Huang C, Kim M, Choi JW, Eriksson MA, Gopalan P. Molecular orientation and photoswitching kinetics on single-walled carbon nanotubes by optical second harmonic generation. Applied Physics Letters. 2012;101.
Safron NS, Kim M, Gopalan P, Arnold MS. Barrier-Guided Growth of Micro- and Nano-Structured Graphene. Advanced Materials. 2012;24:1041-1045.
Paoprasert P, Kandala S, Sweat DP, Ruther R, Gopalan P. Versatile grafting chemistry for creation of stable molecular layers on oxides. Journal of Materials Chemistry. 2012;22:1046-1053.
Kim M, Safron NS, Huang C, Arnold MS, Gopalan P. Light-Driven Reversible Modulation of Doping in Graphene. Nano Letters. 2012;12:182-187.
Kim M, Safron NS, Han E, Arnold MS, Gopalan P. Electronic Transport and Raman Scattering in Size-Controlled Nanoperforated Graphene. ACS Nano. 2012;6:9846-9854.
Kang H, Craig GSW, Han E, Gopalan P, Nealey PF. Degree of Perfection and Pattern Uniformity in the Directed Assembly of Cylinder-Forming Block Copolymer on Chemically Patterned Surfaces. Macromolecules. 2012;45:159-164.
Han E, Kim M, Gopalan P. Chemical Patterns from Surface Grafted Resists for Direct Assembly of Block Copolymers. ACS Nano. 2012;6:1823-1829.
Spalenka JW, Paoprasert P, Franking R, Hamers RJ, Gopalan P, Evans PG. Molecular control of pentacene/ZnO photoinduced charge transfer. Applied Physics Letters. 2011;98.
Liu C-C, Han E, M. Onses S, Thode CJ, Ji S, Gopalan P, et al.. Fabrication of Lithographically Defined Chemically Patterned Polymer Brushes and Mats. Macromolecules. 2011;44:1876-1885.
Huang C, Wang RK, Wong BM, McGee DJ, Leonard F, Kim YJun, et al.. Spectroscopic Properties of Nanotube-Chromophore Hybrids. Acs Nano. 2011;5:7767-7774.
Paoprasert P, Spalenka JW, Peterson DL, Ruther RE, Hamers RJ, Evans PG, et al.. Grafting of poly(3-hexylthiophene) brushes on oxides using click chemistry. Journal of Materials Chemistry. 2010;20:2651-2658.
Paoprasert P, Laaser JE, Xiong W, Franking RA, Hamers RJ, Zanni MT, et al.. Bridge-Dependent Interfacial Electron Transfer from Rhenium-Bipyridine Complexes to TiO2 Nanocrystalline Thin Films. Journal of Physical Chemistry C. 2010;114:9898-9907.
Liu C-C, Nealey PF, Raub AK, Hakeem PJ, Brueck SRJ, Han E, et al.. Integration of block copolymer directed assembly with 193 immersion lithography. Journal of Vacuum Science & Technology B. 2010;28:C6B30-C6B34.
Kang H, Detcheverry F, Stuen KO, Craig GSW, De Pablo JJ, Gopalan P, et al.. Shape control and density multiplication of cylinder-forming ternary block copolymer-homopolymer blend thin films on chemical patterns. Journal of Vacuum Science & Technology B. 2010;28:C6B24-C6B29.
Jin S, Hirai T, Ahn B, Rho Y, Kim K-W, Kakimoto M-aki, et al.. Synchrotron Grazing Incidence X-ray Scattering Study of the Morphological Structures in Thin Films of a Polymethacrylate Diblock Copolymer Bearing POSS Moieties. Journal of Physical Chemistry B. 2010;114:8033-8042.
Ahn B, Hirai T, Jin S, Rho Y, Kim K-W, Kakimoto M-aki, et al.. Hierarchical Structure in Nanoscale Thin Films of a Poly(styrene-b-methacrylate grafted with POSS) (PS214-b-PMAPOSS(27)). Macromolecules. 2010;43:10568-10581.
Kim M, Safron NS, Han E, Arnold MS, Gopalan P. Fabrication and Characterization of Large-Area, Semiconducting Nanoperforated Graphene Materials. Nano Letters. 2010;10:1125-1131.
Han E, Leolukman M, Kim M, Gopalan P. Resist Free Patterning of Nonpreferential Buffer Layers for Block Copolymer Lithography. ACS Nano. 2010;4:6527-6534.
Han E, Kang H, Liu C-C, Nealey PF, Gopalan P. Graphoepitaxial Assembly of Symmetric Block Copolymers on Weakly Preferential Substrates. Advanced Materials. 2010;22:4325-4329.
Han E, Gopalan P. Cross-Linked Random Copolymer Mats as Ultrathin Nonpreferential Layers for Block Copolymer Self-Assembly. Langmuir. 2010;26:1311-1315.
Hamers RJ, Chambers SA, Evans PE, Franking R, Gerbec Z, Gopalan P, et al.. Molecular and biomolecular interfaces to metal oxide semiconductors. Phys. Status Solidi C. 2010;7:200-205.
Xiong W, Laaser JE, Paoprasert P, Franking RA, Hamers RJ, Gopalan P, et al.. Transient 2D IR Spectroscopy of Charge Injection in Dye-Sensitized Nanocrystalline Thin Films. Journal of the American Chemical Society. 2009;131:18040-+.
Park B, Paoprasert P, Gopalan P, Kuech TF, Evans PG. Dynamics of photoinduced charge transfer between pentacene and a C-60-terminated self-assembled monolayer. Applied Physics Letters. 2009;94.
Kim YJ, Kang HM, Leolukman M, Nealey PF, Gopalan P. Synthesis of Photoacid Generator-Containing Patternable Diblock Copolymers by Reversible Addition-Fragmentation Transfer Polymerization. Chemistry of Materials. 2009;21:3030-3032.
Kang H, Kim YJun, Gopalan P, Nealey PF. Control of the critical dimensions and line edge roughness with pre-organized block copolymer pixelated photoresists. Journal of Vacuum Science & Technology B. 2009;27:2993-2997.
Hirai T, Leolukman M, Liu CChun, Han E, Kim YJun, Ishida Y, et al.. One-Step Direct-Patterning Template Utilizing Self-Assembly of POSS-Containing Block Copolymers. Advanced Materials. 2009;21:4334-+.
Han E, Stuen KO, Leolukman M, Liu CC, Nealey PF, Gopalan P. Perpendicular Orientation of Domains in Cylinder-Forming Block Copolymer Thick Films by Controlled Interfacial Interactions. Macromolecules. 2009;42:4896-4901.
Hirai T, Leolukman M, Jin S, Goseki R, Ishida Y, Kakimoto M-aki, et al.. Hierarchical Self-Assembled Structures from POSS-Containing Block Copolymers Synthesized by Living Anionic Polymerization. Macromolecules. 2009;42:8835-8843.
Park B, Paoprasert P, Gopalan P, Kuech TF, Evans PG. Dynamics of photoinduced charge transfer between pentacene and a C-60-terminated self-assembled monolayer. Applied Physics Letters. 2009;94.
Leolukman M, Paoprasert P, Mandel I, Diaz SJ, McGee DJ, Gopalan P. Linear-dendritic block copolymer hosts for the encapsulation of electro-optic chromophores via H-Bonding. Journal of Polymer Science Part A. 2009;47:5017-5026.
Leolukman M, La YH, Li XF, Gopalan P. Morphology Development in Asymmetric Poly (styrene-b-tert-butylacrylate) Thin Films by Solvent Annealing. Polymer Journal. 2008;40:825-831.
Kim H, Colavita PE, Paoprasert P, Gopalan P, Kuech TF, Hamers RJ. Grafting of molecular layers to oxidized gallium nitride surfaces via phosphonic acid linkages. Surface Science. 2008;602:2382-2388.
Ji S, Liu CC, Son JG, Gotrik K, Craig GSW, Gopalan P, et al.. Generalization of the Use of Random Copolymers To Control the Wetting Behavior of Block Copolymer Films. Macromolecules. 2008;41:9098-9103.
Han E, Stuen KO, La YH, Nealey PF, Gopalan P. Effect of Composition of Substrate-Modifying Random Copolymers on the Orientation of Symmetric and Asymmetric Diblock Copolymer Domains. Macromolecules. 2008;41:9090-9097.
Cullen SP, Ha S, Lagally MG, Gopalan P. Photopatternable substrate-independent poly(glycidyl methacrylate-ran-2-(acryloyloxy) ethyl 2-methylacrylate) polymer films for immobilization of biomolecules. Journal of Polymer Science Part a-Polymer Chemistry. 2008;46:5826-5838.
Kim H, Colavita PE, Paoprasert P, Gopalan P, Kuech TF, Hamers RJ. Grafting of molecular layers to oxidized gallium nitride surfaces via phosphonic acid linkages. Surface Science. 2008;602:2382-2388.
Park B, In I, Gopalan P, Evans PG, King S, Lyman PF. Enhanced hole mobility in ambipolar rubrene thin film transistors on polystyrene. Applied Physics Letters. 2008;92:133302/1-133302/3.
Paoprasert P, Park B, Kim H, Colavita P, Hamers RJ, Evans PG, et al.. Dipolar chromophore functional layers in organic field effect transistors. Advanced Materials. 2008;20:4180-4184.
Leolukman M, La Y-H, Li X, Gopalan P. Morphology development in asymmetric poly(styrene-b-tert-butylacrylate) thin films by solvent annealing. Polymer Journal. 2008;40:825-831.
Hirai T, Leolukman M, Hayakawa T, Kakimoto M-aki, Gopalan P. Hierarchical Nanostructures of Organosilicate Nanosheets within Self-Organized Block Copolymer Films. Macromolecules. 2008;41:4558-4560.
Cullen SP, Mandel IC, Gopalan P. Surface-Anchored Poly(2-vinyl-4,4-dimethyl azlactone) Brushes as Templates for Enzyme Immobilization. Langmuir. 2008;24:13701-13709.
Cullen SP, Liu X, Mandel IC, Himpsel FJ, Gopalan P. Polymeric Brushes as Functional Templates for Immobilizing Ribonuclease A: Study of Binding Kinetics and Activity. Langmuir. 2008;24:913-920.
Chandra A, Turng L-S, Gopalan P, Rowell RM, Gong S. Study of utilizing thin polymer surface coating on the nanoparticles for melt compounding of polycarbonate/alumina nanocomposites and their optical properties. Compos. Sci. Technol. 2008;68:768-776.
Stuen KO, In I, Han E, Streifer JA, Hamers RJ, Nealey PF, et al.. Imaging layers for the directed assembly of block copolymer films: Dependence of the physical and chemical properties of patterned polymer brushes on brush molecular weight. Journal of Vacuum Science & Technology B. 2007;25:1958-1962.
Park B, Paoprasert P, In I, Zwickey J, Colavita PE, Hamers RJ, et al.. Functional self-assembled monolayers for optimized photoinduced charge transfer in organic field effect transistors. Advanced Materials. 2007;19:4353-+.
La Y-H, Park S-M, Meagley RP, Leolukman M, Gopalan P, Nealey PF. Pixelated chemically amplified resists: Investigation of material structure on the spatial distribution of photoacids and line edge roughness. Journal of Vacuum Science & Technology B. 2007;25:2508-2513.
Han E, In I, Park S-M, La Y-H, Wang Y, Nealey PF, et al.. Photopatternable imaging layers for controlling mock copolymer microdomain orientation. Advanced Materials. 2007;19:4448-+.
Simmons JM, In I, Campbell VE, Mark TJ, Léonard F, Gopalan P, et al.. Optically modulated conduction in chromophore-functionalized single-wall carbon nanotubes. Physical Review Letters. 2007;98.
Evans PG, Park B, Seo S, Zwickey J, In I, Paoprasert P, et al.. Design and characterization of pentacene-inorganic interfaces. Physica B: Condensed Matter. 2007;401-402:686-690.
Chandra A, Turng L-S, Gopalan P, Rowell RM, Gong S. Semitransparent poly(styrene-r-maleic anhydride)/alumina nanocomposites for optical applications. Journal of Applied Polymer Science. 2007;105:2728-2736.
Campbell VE, Paoprasert P, Mykietyn JD, In I, McGee DJ, Gopalan P. Linear and branched fluoroazo-benzene chromophores with increased compatibility in semifluorinated polymers. Journal of Polymer Science Part A. 2007;45:3166-3177.
In I, La YH, Park SM, Nealey PF, Gopalan P. Side-chain-grafted random copolymer brushes as neutral surfaces for controlling the orientation of block copolymer microdomains in thin films. Langmuir. 2006;22:7855.
Cheun H, Rugheimer PP, Larson BJ, Gopalan P, Lagally MG, Winokur MJ. Polymer light emitting diodes and poly(di-n-octylfluorene) thin films as fabricated with a microfluidics applicator. Journal of Applied Physics. 2006;100.
Gopalan P, Yang S. Etch-resistant block copolymers. Mater. Matters. 2006;1:6-7.
Campbell VE, In I, McGee DJ, Woodward N, Caruso A, Gopalan P. Chromophore orientation dynamics, phase stability, and photorefractive effects in branched azobenzene chromophores. Macromolecules. 2006;39:957-961.
Fukukawa K, Zhu L, Gopalan P, Ueda M, Yang S. Synthesis and characterization of silicon-containing block copolymers from nitroxide-mediated living free radical polymerization. Macromolecules. 2005;38:263-270.
Katz HE, Siegrist T, Lefenfeld M, Gopalan P, Mushrush M, Ocko B, et al.. Mesophase transitions, surface functionalization, and growth mechanism of semiconducting 6PTTP6 films from solution. Journal of Physical Chemistry B. 2004;108:8567-8571.
Gopalan P, Katz HE, McGee DJ, Erben C, Zielinski T, Bousquet D, et al.. Star-shaped azo-based dipolar chromophores: design, synthesis, matrix compatibility, and electro-optic activity. Journal of the American Chemical Society. 2004;126:1741-1747.
Gopalan P, Zhang YM, Li XF, Wiesner U, Ober CK. Liquid crystalline rod-coil block copolymers by stable free radical polymerization: Synthesis, morphology, and rheology. Macromolecules. 2003;36:3357-3364.
Gopalan P, Li XF, Li MQ, Ober CK, Gonzales CP, Hawker CJ. Rod-coil block copolymers: An iterative synthetic approach via living free-radical procedures. Journal of Polymer Science Part a-Polymer Chemistry. 2003;41:3640-3656.
Lee M, Katz HE, Erben C, Gill DM, Gopalan P, Heber JD, et al.. Broadband modulation of light by using an electro-optic polymer. Science. 2002;298:1401-1403.
Gopalan P, Andruzzi L, Li XF, Ober CK. Fluorinated mesogen-jacketed liquid-crystalline polymers as surface-modifying agents: Design, synthesis and characterization. Macromolecular Chemistry and Physics. 2002;203:1573-1583.
Takada K, Gopalan P, Ober CK, Abruna HD. Synthesis, characterization, and redox reactivity of novel quinone-containing polymer. Chemistry of Materials. 2001;13:2928-2932.
Gopalan P, Ober CK. Highly reactive 2,5-disubstituted styrene-based monomer polymerized via stable free radical polymerization: Effect of substitution and liquid crystallinity on polymerization. Macromolecules. 2001;34:5120-5124.
Gopalan P, Li X, Ober CK, Hawker C. Stable free radical polymerization of liquid crystalline monomers: effect of preordering. Polymeric Materials Science and Engineering. 2000;83:430-431.
Gopalan P, Pragliola S, Ober CK, Mather PT, Jeon HG. Mesogen-jacketed liquid crystalline polymers via stable free radical polymerization. Polymer Preprints (American Chemical Society, Division of Polymer Chemistry). 1999;40:372-373.
Menendez J, Gopalan P, Spencer GS, Cave N, Strane JW. RAMAN-SPECTROSCOPY STUDY OF MICROSCOPIC STRAIN IN EPITAXIAL SI1-X-YGEXCY ALLOYS. Applied Physics Letters. 1995;66:1160-1162.