Publications

2009

• Grafting of poly(3-hexylthiophene) brushes on oxide surfaces using click chemistry. Paoprasert, P.; Spalenka, J. W.; Peterson, D. L.; Ruther, R.; Hamers, R. J.; Evans, P. G.; Gopalan, P. J. Mater. Chem. 2009. (Accpeted).
• Hierarchical Self-assembled Structures from POSS Containing Block Copolymers Synthesized by Living Anionic Polymerization. Hirai, T.; Leolukman, M.; Jin, S.: Goseki, R.: Ishida, Y.; Kakimoto, M.; Hayakawa, T.; Ree, M.; Gopalan, P. Macromolecules. 2009. 42, 8835–8843. [Link]
• Crosslinked random copolymer mats as ultra-thin non-preferential layers for block copolymer self-assembly. Han, E.; Gopalan, P. Langmuir. 2009. (ASAP).
• Synthesis of Photoacid Generator-Containing Patternable Diblock Copolymers by Reversible Addition-Fragmentation Transfer Polymerization. Kim, Y. J.; Kang, H.; Leolukman. M.; Nealey, P.; Gopalan, P. Chem. Mater. 2009. 21, 3030–3032. [Link]
• Linear-Dendritic Block Copolymer Hosts for the Encapsulation of Electro-Optic Chromophores via H-Bonding. Leolukman, M.; Paoprasert, P.; Mandel, I. C.; Diaz, S. J.; McGee, D. M.; Gopalan, P. J. Polym. Sci., Part A: Polym. Chem. 2009. 47, 5017-5026. [Link]
• Dynamics of photoinduced charge transfer between pentacene and a C60-terminated self-assembled monolayer. Park, B.; Paoprasert, P.; Gopalan, P.; Kuech, T. F.; Evans, P. G. Appl. Phys. Lett. 2009. 94, 073302. [Link]
• One-step Direct Patterning Template Utilizing Self-assembly of POSS Containing Block Copolymers. Hirai, T. ; Leolukman, M. ; Liu, C.-C. ; Han, E. ; Kim, Y. J. ; Ishida, Y. ; Hayakawa, T. ; Kakimoto, M. ; Nealey P. F. ; Gopalan, P. Advanced Materials 2009. 21, 1–5. [Link]
• Perpendicular Orientation of Domains in Cylinder-Forming Block Copolymer Thick Films by Controlled Interfacial Interactions. Han, E. ; Stuen, K. O. ; Leolukman, M. ; Liu, C.-C. ; Nealey, P. F. ; Gopalan, P. Macromolecules 2009. 42, 4896–4901. [Link]

2008

• Dipolar Chromophore Functional Layers in Organic Field Effect Transistors. Paoprasert, P.; Park, B.: Kim, H.; Colavita, P.; Hamers, R. J.; Evans, P. G.; Gopalan. P. Advanced Materials 2008. 20, 4180–4184. [Link]
• Morphology Development In Asymmetric Poly(Styrene-b-tert-Butylacrylate) Thin Films By Solvent Annealing. Leolukman, M. ; La, Y.-H. ; Li, X. ; Gopalan, P. Polymer Journal 2008., 40, 825-831. [Link]
• Grafting of molecular layers to oxidized gallium nitride surfaces via phosphonic acid linkages. Kim, H.; Colavita, P. E.; Paoprasert, P.; Gopalan, P.;Kuech, T. F.; Hamers, R. J. Surface Science 2008., 602, 2382–2388. [Link]
• Hierarchical Nanostructures of Organosilicate Nanosheets within Self-Organized Block Copolymer Films. Hirai, T.; Leolukman, M.; Hayakawa, T.; Kakimoto, M.; Gopalan, P. Macromolecules 2008. 41, 4558-4560. [Link]
• Photopatternable Substrate-independent Poly (glycidyl methacrylate-ran-2-(acryloyloxy) ethyl 2-methylacrylate) Polymer Films for Immobilization of Biomolecules. Cullen, S. P.; Ha, S.; Lagally, M. G.; Gopalan, P. Journal of Polymer Science, Part A 2008., 46, 5826-5838. [Link]
• Influence of Architecture, Concentration, and Thermal History, on the Poling of Nonlinear Optical Chromophores in Block Copolymer Domains. Leolukman, M.; Paoprasert, P.; Wang, Y.; Makhija, V.; McGee, D.; Gopalan, P. Macromolecules 2008., 41, 4651-4660. [Link]
• Enhanced Hole Mobility in Ambipolar Rubrene Thin Film Transistors on Polystyrene. Park, B.; In, I., Gopalan, P.; Evans, P. G.; King, S.; Lyman, P. F. Appl. Phys. Lett. 2008., 92, 133302. [Link]
• Study of Utilizing Thin Polymer Surface Coating on the Nanoparticles for Melt Compounding of Polycarbonate/Alumina Nanocomposites and Their Optical Properties. Chandra, A.; Turng, L. S.; Gopalan, P.; Rowell, R.; Gong, S. Compos. Sci. Technol. 2008., 68, 768–776. [Link]
• Polymeric Brushes as Functional Templates for Immobilizing RNase A: Study of Binding Kinetics and Activity. Cullen, S.; Liu, X.; Mandel, I.; Himpsel, F.; Gopalan, P. Langmuir 2008., 24, 913-920. [Link]
• Surface-Anchored Poly(2-vinyl-4,4-dimethyl azlactone) Brushes as Templates for Enzyme Immobilization. Cullen, S.; Mandel, I.; Gopalan, P. Langmuir 2008., 24, 13701-13709. [Link]
• Effect of Composition of Substrate-modifying Random Copolymers on the Orientation of Symmetric and Asymmetric Diblock Copolymer Domains. Eungnak Han, Karl O. Stuen, Young-Hye La, Paul F. Nealey, Padma Gopalan. Macromolecules 2008., 41, 9090-9097. [Link]

2007

• Pixelated Chemically Amplified Resists: Investigation of Material Structure on the Spatial Distribution of Photoacids and Line Edge Roughness. La, Y-H.; In, I.; Park, S-M.; Meagley, R. P.; Gopalan, P.; Nealey, P. F. J. Vac. Sci. Technol. B., 2007., 25, 2508. [Link]
• 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. Stuen, K. O.; Nealey, P. F.; In, I.; Han, E.; Streifer, J. A.; Hamers, R. J.; Gopalan, P. J. Vac. Sci. Technol. B., 2007., 25, 1958. [Link]
• Functional Self-Assembled Monolayers for Optimized Photoinduced Charge Transfer in Organic Field Effect Transistors. Park, B.; Paoprasert, P.; In, I.; Zwicki, J.; Gopalan, P.; Evans, P. G. Adv. Mater., 2007., 19(24), 4353-4357. [Link]
• Design and characterization of pentacene-inorganic interfaces. Evans, P. G.; Park, B.; Seo, S.; Zwickey, J.; In, I.; Paoprasert, P.; Gopalan, P. Physica B 2007., 401–402, 686–690. [Link]
• Photo-patternable Imaging Layers for Controlling Block Copolymer Microdomain Orientation. Han, E.; In, I.; Park, S-M.; La, Y-H.; Wang, Y.; Nealey, P. F.; Gopalan, P.; Adv. Mater. , 2007., 19(24), 4448-4452. [Link]
• Optically modulated conduction in chromophore-functionalized single-wall carbon nanotubes. Simmons, J. M.; In, I.; Campbell, V. E.; Mark, T. J.; Leonard, F.; Gopalan, P.; Eriksson, M. A. Phys. Rev. Lett. 2007., 98, 086802. [Link]
• Linear and Branched Fluoroazo-Benzene Chromophores with Increased Compatibility in Semifluorinated Polymers. Campbell, V. E.; Paoprasert, P.; Mykietin, J. D.; In, I.; McGee, D. J.; Gopalan, P. J. Polym. Sci., Part A: Polym. Chem., 2007., 45, 3166–3177. [Link]
• Complex functional macromolecules. Chen, Z.; Cheng, C.; Germack, D. S.; Gopalan, P.; van Horn, B. A.; Venkataraman, S.; Wooley, K. L. Chapter 18 of Volume 2: “Elements of Macromolecular Structural Control” within the book series “Macromolecular Engineering”, edited by K. Matyjaszewski, Y. Gnanou, and L. Leibler, Wiley-VCH, Weinheim, Macromolecular Engineering 2007., 2, 1341-1385. ISBN-13: 978-3-527-31446-1.

2006

• Side-chain Grafted Random Copolymer Brushes as Neutral Surfaces for Controlling the Orientation of Block Copolymer Microdomains in Thin Films. In, I.; La, Y-H.; Park, S-M.; Nealey, P. F.; Gopalan, P. Langmuir, 2006., 22, 7855-7860. [Link]
• Chromophore Orientation Dynamics, Phase Stability, and Photorefractive Effects in Branched Azobenzene Chromophores Campbell, V. E.; In, I.; McGee, D. J.; Woodward, N.; Caruso, A.; Gopalan, P. Macromolecule, 2006., 39(3), 957. [Link]
• Polymer Light Emitting Diodes and Poly(di-n-octylfluorene) Thin Films as Fabricated with a Microfluidics Applicator. Cheun, H.; Rugheimer, P. P.; Larson, B. J.; Gopalan, P.; Lagally, M. G.; Winokur, M. J. J. Appl. Phys., 2006., 100(7), 073510. [Link]

2005

• Synthesis and Characterization of Silicon-containing Block Copolymers from Nitroxide- mediated Living Free Radical Polymerization. Fukukawa, K.; Zhu, L.; Gopalan, P.; Ueda, M.; Yang, S.; Macromolecules, 2005., 38(2), 263. [Link]

2004

• Mesophase Transitions, Surface Functionalization, and Growth Mechanism of Semiconducting 6PTTP6 Films from Solution. Katz, H.; Siegrist, T.; Lefenfeld, M.; Gopalan, P.; Mushrush M.; Ocko, B.; Gang, O; Jisrawl, N.; J. Phys. Chem. B., 2004., 108(25), 8567. [Link]
• Star-Shaped Azo based Dipolar Chromophores: Design, Synthesis, Matrix Compatibility and Electro-optic Activity. Gopalan, P.; Katz, H. E.; McGee, D. J.; Erben, C.; Zielinski, T.; Bousquet, D.; Muller, D.; Grazul, J.; Olsson, J.; J. Am. Chem. Soc., 2004., 126, 1741. [Link]
• Rod-Coil Block Copolymers: An Iterative Synthetic Approach via Living Free Radical Procedures. Gopalan, P.; Li, X.; Li, M.; Ober, C, K.; Gonzales, C. P.; Hawker, C. J.; J. Polym. Sci., Part A: Polym. Chem., 2003., 41(22), 3640. [Link]
• Mesogen Jacketed Liquid Crystalline Polymers via Stable Free Radical Polymerization. Gopalan, P.; Pragliola, S.; Ober, C.K.; Polym. Prepr. 1999., 218, 356.

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