The Department of Electrical Engineering

Peer-reviewed journal articles published; in reverse chronological order:

1. “Transition from Conventional to Inverted Photovoltaic Characteristics in Polymer Solar Cells Having Silver Electrodes,” Appl. Phys. Lett. 95, 183301, 2009 [ with J.B. Kim, C.S. Kim, and Y.S. Kim].
2. “Cobaltocene-Doped Viologen as Functional Components in Organic Electronics,” Chem. Mater. 21, 4583, 2009 [with C.S. Kim, S.S. Lee, L. Tinker, and S. Bernhard].
3. “Sequence of Annealing Polymer Photoactive Layer Influences the Air Stability of Inverted Solar Cells,” Org. Electron. 10, 1483, 2009 [with C.S. Kim, J.B. Kim, and Y.S. Kim].
4. “Printed Magnetic FePt Nanocrystal Films,” ACS Appl. Mater. & Interf. 1, 1339, 2009 [with R.N. Patel, A. Heitsch, C.B. Hyun, D.-M. Smilgies, A. DeLozanne, and B.A. Korgel].
5. “Temperature-Induced Ordering and Gelation of Star Micelles Based on ABA Triblocks Synthesized via Aqueous RAFT Polymerization,” Soft Matter 5, 2179, 2009 [with S. Kirkland, K.C. Gallow, and C. McCormick].
6. “Transient Photovoltaic Behavior of Air-Stable, Inverted Organic Solar Cells with Solution-Processed Electron Transport Layer,” Appl. Phys. Lett. 94, 113302, 2009 [with C.S. Kim, S.S. Lee, and E.D. Gomez].
7. “Controlling Nucleation and Crystallization in Solution-Processed Organic Semiconductors for Thin-Film Transistors,” Adv. Mater. 21, 3605, 2009 [with S.S. Lee, C.S. Kim, E.D. Gomez, B. Purushothaman, M.F. Toney, C. Wang, A. Hexemer, and J.E. Anthony] (Featured Back Cover of the Issue).
8. “Altering the Thermodynamics of Phase Separation in Inverted Bulk-Heterojunction Organic Solar Cells,” Adv. Mater. 21, 3110, 2009 [with C.S. Kim, L.L. Tinker, B.F. DiSalle, E.D. Gomez, S.S. Lee, and S. Bernhard].
9. “Polymer Conductivity through Particle Connectivity,” Chem. Mater. 21, 1948,2009 [with  J.E. Yoo, W.P. Krekelberg, Y. Sun, J.D. Tarver, and T.M. Truskett].
10. “Polymer Acid Doped Polyaniline is Electrochemically Stable Beyond pH 9,” Chem. Mater. 21, 280, 2009 [with J.D. Tarver, J.E. Yoo, T.J. Dennes, and J. Schwartz].
11. “Near-Monodispersed Polyaniline Particles through Template Synthesis and Simultaneous Doping with Diblock Copolymers of PMA and PAAMPSA,” J. Mater. Chem. 18, 5835, 2008 [with T.L. Bucholz, and Y. Sun].
12. “Solvent Dependent Electrical Stability in TIPS Pentacene Thin-Film Transistors,” Applied Physics Letters 93, 103302, 2008 [with C.S. Kim, S.S. Lee, E.D. Gomez, and J.E. Anthony].
13. “Polar Aprotic Solvents Disrupt Interblock Hydrogen Bonding and Induce Microphase Separation in Double Hydrophilic Block Copolymers of PEGMA and PAAMPSA,” Macromolecules 41, 4069, 2008 [with T.L. Bucholz].
14. “pH Response of Hydrogels of Diblock and Triblock Copolymers containing Polystyrene and Poly(2-hydroxyethyl methacrylate-co-2-dimethylaminoethyl methacrylate),” Macromolecules 41, 4390, 2008 [with K.B. Guice, S.R. Marrou, S. Gondi, and B.S. Sumerlin].
15. “Narrowing the Size Distribution of the Polymer Acid Improves PANI Conductivity,” Journal of Materials Chemistry 18, 3129, 2008 [with J.E. Yoo, T.L. Bucholz, and S. Jung].
16. “Ultra-Low-k Materials Derived from Poly(D,L-lactide-b-pentafluorostyrene) Diblock Copolymers,” Journal of Materials Chemistry 18, 530, 2008 [with T.L. Bucholz and S.P. Li] (Featured Cover).
17. “Polar Aprotic Solvents Disrupt Interblock Hydrogen Bonding and Induce Microphase Separation in Double Hydrophilic Block Copolymers of PEGMA and PAAMPSE.” Accepted in Macromolecules, 2008 [with T.L. Bucholz]
18. “pH Response of Hydrogels of Diblock and Triblock Copolymers containing Polystyrene and Poly(2-hydroxyethyl methacrylate-co-2-dimethylaminroethyl methacrylate).” Accepted in Macromolecules, 2008 [with K.B. Guice, S.R. Marrou, S. Gondi, and B.S. Summerlin]
19. “Narrowing the Size Distribution of the Polymer Acid Improves PANI Conductivity.” Accepted in Journal of Materials Chemistry, 2008 [with J.E. Yoo, T.L. Bucholz and S. Jung]
20. “Ultra-Low-k Materials Derived from Poly(D,L-lactide-b-pentafluorostyrene) Diblock Copolymers.” Journal of Materials Chemistry, 18, 530, 2008 [with T.L. Bucholz, and S.P. Li] (Featured Cover)
21. “Deprotecting Thioacetyl-Terminated Terphenyldithiol for Assembly on Gallium Arsenide.” Langmuir, 24, 852, 2008 [with D.A. Krapchetov, H.Ma, D.A. Fischer, A.K.Y. Jen]
22. “Reversible Phase Transformations in Concentrated Aqueous Solutions of Poly(methylacrylate)-b-poly(hydroxyethyl methacrylate-co-dimethylaminoethyl methacrylate).” Macromolecules, 40, 9053, 2007 [with K.B.Guice]
23. “Solution-Processable Organic Semiconductors for Thin-Film Transistors: Opportunities for Chemical Engineers.” AIChE Journal, 53, 1066, 2007 (Featured Cover)
24. “An Electron-Conducting Crosslinked Polyaniline-Based Redox Hydrogel, Formed in One Step at pH 7.2, Wires Glucose Oxidase.” Journal of the American Chemical Society, 129, 7006, 2007 [with N. Mano, J.E. Yoo, J. Tarver, and A. Heller].
25. “Establishing Efficient Electrical Contact to the Weak Crystals of Triethylsilylethynyl Anthradithiophene.” Chemistry of Materials, 19, 5210-5215, 2007 [with K.C. Dickey, T.J. Smith, K.J. Stevenson, S. Subramanian, J.E. Anthony].
26. “Large-Area Patterning of a Solution-Processable Organic Semiconductor to Reduce Parasitic Leakage and Off Currents in Thin-Film Transistors.” Submitted, February 2007 [with K.C. Dickey, S. Subramanian, J.E. Anthony, L.-H. Han, S.C. Chen].
27. “Improving the Electrical Conductivity of Polymer-Acid-Doped Polyaniline by Controlling the Template Molecular Weight.” Journal of Materials Chemistry, 17, 1268, 2007 [with J.E. Yoo, J.L. Cross, T.L. Bucholz, K.S. Lee, and M.P. Espe].
28. “Atom Transfer Radical Copolymerization of Hydroxyethyl Methacrylate (HEMA) and Dimethylaminoethyl Methacrylate (DMAEMA) In Polar Solvents.” Macromolecules, 39, 8609, 2006 [with R. Teoh and K.B. Guice].
29. "Chemical Identification and Orientation Analysis of Quaterphenyldithiol on GaAs by High-Sensitivity IR." Langmuir, 22, 9491, 2006 [with D.A. Krapchetov, H. Ma, D.A. Fischer, and A.K.Y. Jen].
30. "High-Resolution Characterization of Pentacene-Polyaniline Interfaces in Thin-Film Transistors." Advanced Functional Materials, 16, 2409, 2006 [with K.S. Lee, T.J. Smith, K.C. Dickey, J.E. Yoo, and K.J. Stevenson].
31. "Improving Organic Thin-Film Transistor Performance Through Solvent Vapor Annealing of Solution-Processable Triethylsilylethnyl Anthradithiophene." Advanced Materials, 18, 2717, 2006 [with K.C. DickeY and J.E. Anthony].
32. "Phase Behavior of Near-Monodisperse Semifluorinated Diblock Copolymers by Atom Transfer Radical Polymerization." Macromolecules, 39, 6075, 2006 [with T.L. Bucholz].
33. “Azeotropic Atom Transfer Radical Polymerization of Hydroxyethyl Methacrylate (HEMA) and Dimethylaminoethyl Methacrylate (DMAEMA) Statistical Copolymers and Block Copolymers with Polystyrene." Macromolecules, 39, 2474, 2006 [with K.B. Guice].
34. “Influence of Interfacial Constraints on the Morphology of Asymmetric Crystalline-Amorphous Diblock Copolymer Films." Macromolecules, 38, 7745, 2005 [with Y. Li, R.A. Register, and P.F. Green].
35. “Dynamics of a Thermoreversible Transition between Cylindrical and Hexagonally Perforated Lamellar Mesophases." Macromolecules, 38, 7098, 2005 [with C.J. Lai, R.A. Register, and D.H. Adamson].
36. “Controlled Free Radical Polymerization and Copolymerization of 5-Methylene-2-phenyl-1,3-dioxolan-4-one (MPDO) by ATRP." Macromolecules, 38, 5581, 2005 [with Q.A. Smith, J. Huang, and K. Matyjaszewski].
37. “Solvent-Dependent Assembly of Terphenyl- and Quaterphenyldithiol on Gold and Gallium Arsenide" Langmuir, 21, 5887, 2005 [with D.A. Krapchetov, H. Ma, A.Y.K. Jen, and D.A. Fischer].
38. “Thin Crystal Melting Produces the Low-Temperature Endotherm in Ethylene/Methacrylic Acid Ionomers." Polymer, 46, 5118, 2005 [with K. Wakabayashi, Y.E. Huang, R.A. Register, and B.S. Hsiao].
39. “A Highly Regular Hexagonally Perforated Lamellar Structure in a Quiescent Diblock Copolymer.” Macromolecules, 38, 4947, 2005 [with R.A. Register, D.H. Adamson, and A.J. Ryan].
40. “Probing Occupied Status of the Molecular Layer in Au-ALkanedithiol-GaAs Diodes.” Journal of Physical Chemistry B, 109, 5719, 2005 [with J.W.P. Hsu, D.V. Lang, K.W. West, M.D. Halls, and K. Raghavachari].
41. “Direct Patterning of Conductive, Water-Soluble Polyaniline for Thin-Film Organic Electronics." Applied Physics Letters, 86, 074102, 2005 [with K.S. Lee, G.B. Blanchet, and F. Gao]. 
42. “Patterning Conductive Copper by Nanotransfer Printing.” Applied Physics Letters, 85, 3316, 2004 [with K.C. Felmet and Y.M. Sun].
43. “Nature of Electrical Contacts in a Metal-Molecule-Semiconductor System.” Journal of Vacuum Science and Technology B, 21, 1928, 2003 [with J.W.P. Hsu, D.V. Lang, and J.A. Rogers].
44. “Electrical Contacts to Molecular Layers by Nanotransfer Printing.” Nanoletters, 3, 913, 2003 [with D.V. Lang, J.A. Rogers, and J.W.P. Hsu].
45. “Nanoscale Organic Transistors That Use Source/Drain Electrodes Supported by High-Resolution Rubber Stamps.” Applied Physics Letters, 82, 793, 2003 [with J. Zaumseil, T. Someya, Z. Bao, R. Cirelli, and J.A. Rogers].
46. “Three-Dimensional and Multilayer Nanostructures Structures Formed by Nanotransfer Printing .” Nanoletters, 3, 1223, 2003 [with J. Zaumseil, M.A. Meitl, J.W.P. Hsu, B.R. Acharya, K.W. Baldwin, and J.A. Rogers].
47. "Large-Area, High-Resolution, Dry Printing of Conducting Polymers for Organic Electronics." Applied Physics Letters, 82, 463, 2003 [with G.B. Blanchet, J.A. Rogers, F. Gao, and C. Fincher].
48. “High-Resolution Transfer Printing on GaAs Surfaces with Alkane Dithiol Self-Assembled Monolayers.” Journal of Vacuum Science and Technology, 20, 2853, 2002 [with J.W.P. Hsu, R.L. Willett, K.W. Baldwin, K.W. West, and J.A. Rogers].
49. “Interfacial Chemistries for Nanoscale Transfer Printing.” Journal of the American Chemical Society, 124, 7654, 2002 [with R.L. Willett, K.W. Baldwin, and J.A. Rogers].
50. “Soft, Conformable Electrical Contacts for Organic Transistors: High-Resolution Circuits by Lamination.” Proceedings of the National Academy of Science, USA, 99, 10252, 2002 [with T. Someya, K.W. Baldwin, Z. Bao, P. Ho, A. Dodabalapur, H.E. Katz, and J.A. Rogers].
51. “Additive, Nanoscale Patterning of Metal Films With a Stamp and a Surface Chemistry Mediated Transfer Process: Applications in Plastic Electronics.” Applied Physics Letters, 81, 562, 2002 [with R.L. Willett, K.W. Baldwin, and J.A. Rogers].
52. “Modes of Crystallization in Block Copolymer Microdomains: Breakout, Templated, and Confined.” Macromolecules, 35, 2365, 2002 [with R.A. Register and A.J. Ryan].
53. “Well-Ordered Microdomain Structures in Polystyrene-Poly(Acrylic Acid) Diblock Copolymers from Controlled Radical Polymerization.” Macromolecules, 35, 6645, 2002 [with D. Bendejacq, V. Ponsinet, M. Joanicot, and R.A. Register].
54. “Polymer Crystallization Confined in One, Two, and Three Dimensions.” Macromolecules, 34, 8968, 2001 [with R. A. Register, A. J. Ryan, and G. T. Dee].
55. “Phase Behavior and Viscoelastic Properties of Entangled Block Copolymer Gels.” Journal of Polymer Science Part B: Polymer Physics, 39, 2183, 2001 [with D.A. Vega, J.M. Sebastian, and R.A. Register].
56. “Direct Imaging of Polyethylene Crystallites in Block Copolymer Microdomains.” Journal of Polymer Science Part B: Polymer Physics, 38, 2564, 2000 [with R.A. Register and D.H. Adamson].
57. “Polyethylene Crystal Orientation Induced by Block Copolymer Cylinders.” Macromolecules, 33, 8361, 2000 [with R.A. Register and D.H. Adamson].
58. “Polymer Crystallization in 25 nm Spheres.” Physical Review Letters, 84, 4120, 2000 [with R.A. Register and A.J. Ryan].