Publicatons
Laboratory for Conjugated Organic Materials
Embedded Files
2025
2025
132. "Synthesis of a Stable Radical Cation of Bis-Tert-Butyl Ethylenedioxythiophene and its Application as a Dopant in Organic Semiconductors", Yeasin Khan, Jae Hyun Lee, Jin Hee Lee, Nathan Plassais, Faiza Shoukat, Jung Hwa Seo*, and Bright Walker*, Small, 2503035
131. "Diverse Metal Ion Polyelectrolytes as Hole Transport Layers for Quasi-2D Perovskite Light-Emitting Diodes", Faiza Shoukat, Seongbeom Lee, Jin Hee Lee, Yeasin Khan, Bright Walker, Sung Heum Park, and Jung Hwa Seo, Advanced Materials Technologies, 10, 2401684
130. "Centimeter-Scale Ultrathin Platinum Monosulfide Films with Large Negative Temperature Coefficient of Resistance for Deformable Visible-to-Mid-Infrared Photodetectors", Sang Sub Han, Mashiyat Sumaiya Shawkat, Changhyeon Yoo, Chung Won Lee, Justin Cao, Jin Hee Lee, Ki-Young Lee, Tania Roy, Jung Hwa Seo, Jung Han Kim, and Yeonwoong Jung, ACS Applied Materials & Interfaces , 17(10), 15764-15774
129. "Enhanced p-doping and efficiency in organic solar cells using Mg and Pd ions at the HTL/PTB7 interface", Jin Hee Lee, Merve Nur Ekmekci, Yeasin Khan, Bright Walker, and Jung Hwa Seo, Next Energy, 8, 100248
2024
2024
128. "Enhanced Performance of Polymer Field-Effect Transistors via Substitutional Doping Performed Using Blended Polymer Films", Sung Woo Seo, Minho Yoon, Jin Hee Lee, Jung Hwa Seo, and Jiyoul Lee, Transactions on Electrical and Electronic Materials, 26, 29-36
127. "Improved voltage and solubility in hybrid non-aqueous redox flow batteries using a molecular 3, 4-ethylenedioxythiophene (EDOT) derivative with a stable radical cation state", Hee Kyung Hwang, Yejoo Park, Jisang Yeom, Yohan Ahn, Yeasin Khan, Jeewoo Lim, Clément Cabanetos, Jung Hwa Seo, Je Seung Lee, and Bright Walker, Journal of Materials Chemistry C, 13, 3215-3225
126. "Nickel polyelectrolytes as Hole Transporting Materials for Organic and Perovskite Solar Cell Applications", Jin Hee Lee, Kausar Ali Khawaja, Faiza Shoukat,Yeasin Khan, Do Hui Kim, Shinuk Cho, Bright Walker, and Jung Hwa Seo, Energy Advances, 3, 1553-1561
125. "Ag:PSS polyelectrolyte/PTB7 bilayers as efficient hole transport layers for perovskite solar cells", Faiza Shouka, Azmat Ali, Jin Hee Lee, Yeasin Khan, Bright Walker, and Jung Hwa Seo, Synthetic Metals, 307, 117679
124. "Ambipolar Charge Injection and Bright Light Emission in Hybrid Oxide/Polymer Transistors Doped with Poly(9‐Vinylcarbazole) Based Polyelectrolytes", Yu Jung Park, Hee Kyung Hwang, Yejoo Park, Ju-Hyeon Lee, Jin Hee Lee, Bright Walker, Han-Ki Kim, and Jung Hwa Seo, Advanced Materials Technologies, 9(20) 2302207
123. "Parylene-C based Flexible PBTTT Organic Thin-film Transistors and Their Reliability Improvement using SU-8 Passivation", Ah-Hyun Hong, Yu Jung Park, Jung-Hwa Seo, Yoon Kim, and Dong-Wook Park , Journal of Vacuum Science and Technology B, Vol. 42, 3, 033402
122. "Recent studies on high efficiency hybrid light-emitting transistors(고효율 하이브리드 발광 트랜지스터 연구 개발 동향)", Jung Park and Jung Hwa Seo, The Korean Institute of Electrical Engineers Magazine(전기의 세계), Vol. 73 No. 5 p.7-11.
121. "Photoelectron Spectroscopic Study of the Interfacial Electronic Structure of Metal-Ion Containing Polyelectrolytes on ITO Substrates", Jin Hee Lee, Yeasin Khan, Seunghwan Kim, Ae Jin Choi, Bright Walker, Soohyung Park, and Jung Hwa Seo, Advanced Functional Materials, 34(22), 2315074
120. “Practical organic electronic noses using semi-permeable polymer membranes”, Jae Young Kim, Farjana Haque, Jae Hyun Lee, Yu Jung Park, Jung Hwa Seo, Mallory Mativenga, and Bright Walker, Applied Materials Today, 37, 102137
2023
2023
119. “γ-Ray Irradiation Enables Annealing- and Light-Soaking-FreeSolution Processable SnO2 Electron Transport Layer for Inverted Organic Solar Cells”, Hong Nhan Tran, Chan Beom Park, Jin Hee Lee, Jung Hwa Seo, Jin Young Kim, Seung-Hwan Oh, and Shinuk Cho, small, 2307441
118. "Asymmetric TMO-Metal-TMO Structure for Enhanced Efficiency and Long-Term Stability of Si-Based Heterojunction Solar Cells", Yoon-Chae Jung, Young-Jin Yu, Yu-Kyung Kim, Jin Hee Lee, Jung Hwa Seo, and Jea-Young Choi, materials, 16, 5550.
117. "Improved Hole injection in Hybrid Light-Emitting Transistors Incorporating Lithium and Copper(II) Poly(Styrene Sulfonate)", Yu Jung Park, Subin Park, Jiwon Sim, Jin Hee Lee, Yejoo Park, Aeran Song, Kwun-Bum Chung, Bright Walker, Jung Hwa Seo, Advanced Materials Interfaces, 2300261.
116. "InZnTiON Channel Layer for Highly Stable Thin-Film Transistors and Light-Emitting Transistors", Ju-Hyeon Lee, Jung-Min Park, Yu Jung Park, Jung Hwa Seo, and Han-Ki Kim, ACS Applied Materials & interfaces, 15, 35149-35160.
115. "Soultion-Processed Metal Ion Polyelectrolytes as Hole Transport Materials for Efficient Inverted Perovskite Solar Cells", Faiza Shoukat, Ju Hwan Kang, Yeasin Khan, Yu Jung Park, Jin Hee Lee, Bright Walker, Jung Hwa Seo, Advanced Materials Interfaces, 10(17), 2300043.
2022
2022
114. "Understanding interfacial energy structures in organic solar cells using photoelectron spectroscopy: A review" , Ju Hwan Kang, Jin Hee Lee, Bright Walker, Jung Hwa Seo and Gap Soo Chang, Journal of Applied Physics, 132, 050701 .
113. "Stoichiometry and Morphology Analysis of Thermally Deposited V2O5−x Thin Films for Si/V2O5−x Heterojunction Solar Cell Applications", Gwan Seung Jeong, Yoon-Chae Jung, Na Yeon Park, Young-Jin Yu, Jin Hee Lee, Jung Hwa Seo and Jea-Young Choi, Materials, 15, 5243.
112. "Organic cation – polystyrene sulfonate polyelectrolytes as hole transporting interfacial layers in perovskite solar cells", Yeasin Khan, Yohan Ahn, Ju Hwan Kang, Azmat Ali, Yu Jung Park, Bright Walker, Jung Hwa Seo, Applied Surface Science, 588, 152826.
111. "Photovoltaic Device Application of a Hydroquinone-Modified Conductive Polymer and Dual-Functional Molecular Si Surface Passivation Technology", Na Yeon Park, Gwan Seung Jeong,Young-Jin Yu, Jin Hee Lee, Jung Hwa Seo and Jea-Young Choi, Polymers, 14, 478.
110. "Influence of pH-neutral lithium polystyrenesulfonate polyelectrolyte on the energy band structure and performance of organic solar cells", Merve Nur Ekmekci, Ju Hwan Kang, Yeasin Khan, Jung Hwa Seo, Bright Walker, Materials Advances, 3, 2123-2130.
2021
2021
109. "Highly Efficient Hybrid Light-Emitting Transistors incorporating MoOx/Ag/MoOx Semi-Trasparent Electrodes", Yu Jung Park, Ae Ran Song, Kwun Bum Chung, Tae Youb Kim, Bright Walker and Jung Hwa Seo, Journal of Materials Chemistry C, 10, 880-885.
108. “Highly stable Ba-addition InZnSnO channels of light emitting transistors and thin film transistors”, Chan-Hwi Kim, Yu Jung Park, Jung Hwa Seo, Han-Ki Kim, Journal of Alloys and Compounds, 900, 163472 .
107. “Llithium Polystyrene Sulfonate as a Hole Transport Material in Inverted Perovskite Solar Cells”, Kausar Ali Khawaja, Yeasin Khan, Yu Jung Park, Jin Hee Lee, Ju Hwan Kang, ki Woong Kim, Yeon Jin Yi, Jung Hwa Seo, and Bright Walker, Chemistry an asian Journal, 16(20), 3151-3161.
106. “A pH-neutral polyelectrolyte Hole Transport Layer for Improved Energy band strtucture at the Anode/PTB7 Junction and Improved solar cell performance”, Ju Hwan Kang, Amit Kumar Harit, Ji Eun Jeong, Han Young Woo, Jung Hwa Seo and Bright walker, Solar RRL, 5, 2100521.
105. “Importance of interface engineering between the hole transport layer and the indium-tin-oxide electrode for highly efficient polymer solar cells”, Sujung Park, Febrian Tri Adhi Wibowo, Narra Vamsi Krishna, Jiho Ryu, Heunjeong Lee, Jin Hee Lee, Yung Jin Yoon, Jin Young Kim, Jung Hwa Seo, Seung-Hwan Oh, Sung-Yeon Jang and Shinuk Cho, Journal of Materials Chemistry A, 9, 15394-15403.
104. “A Simple Cu(II) Polyelectrolyte as a Method to Increase the Work Function of Electrodes and Form Effective p-Type Contacts in Perovskite Solar Cells”, Azmat Ali, Yohan Ahn, Kausar Ali Khawaja, Ju Hwan Kang, Yu Jung Park, Jung Hwa Seo,and Bright Walker, Advanced Functional Materials, 31, 2009246.
2020
2020
103. “Chelating Agent Mediated Sol-Gel Synthesis for Efficient Hole Extracted Perovskite Photovoltaics”, Byung Gi Kim, Woongsik Jang, Yu jung Park, Ju Hwan Kang, Jung hwa seo, Dong Hwan Wang, Journal of Physical Chemistry C, 124, 25184-25195.
102. “Cu/graphene hybrid transparent conducting electrodes for organic photovoltaic devices”, Ju Hwan Kang*, Su kyung Choi, Yu Jung Park, Jin Sung Park, Nam Sung Cho, Shi nuk Cho, Bright Walker, Dong Soo Choi, Jin-Wook Shin, Jung Hwa Seo, Carbon, 171, 341-349.
101. “17% Non-Fullerene Organic Solar Cells with Annealing-Free Aqueous MoOx”, Hong Nhan Tran, Sujung Park, Febrian Tri Adhi Wibowo, Narra vamsi Krishna, Ju Hwan Kang, Jung Hwa Seo, Huy Nguyen-Phu, Sung-Yeon Jang and Shinuk Cho, Advanced science, 7, 2002395.
100. “Ionic moieties in organic and hybrid semiconducting devices: Influence on energy band structure and function”, Yeasin Khan, Yohan Ahn, Jung Hwa Seo, Bright Walker, Journal of Materials Chemistry C, 8, 13953-13971.
99. “Cationic polyelectrolytes as convenient electron extraction layers in perovskite solar cells”, Ju Hwan Kang, Yu Jung Park, Yeasin Khan, Yo Han Ahn, Jung Hwa Seo, Bright Walker, Dyes and Pigments, 182, 108634.
98. “Conductive channel formation for enhanced electrical conductivity of PEDOT:PSS with high work-function”, Inho Song, Na Yeon Park, Gwan Seung Jeong, Ju Hwan Kang, Jung Hwa Seo, Jea-Young Choi, Applied Surface Science, 529, 147176.
97. “Light-Emitting Transistors with High Color Purity Using Perovskite Quantum Dot Emitters”, Yu Jung Park, Min Seong Kim, Ae Ran Song, Jin Young Kim, Kwun-Bum Chung, Bright Walker, Jung Hwa Seo, Dong Hwan Wang, ACS Appl. Mater. Interfaces, 12, 35175-35180.
96. “Influence of film thickness on the electronic band structure and optical properties of P-I-N CH3NH3PbI3-xClx perovskite solar cells”, Azmat Ali, Myoung Joo Cha, Ju Hwan Kang, Yu Jung Park, Jung Hwa Seo, Bright Walker, Advanced Engineering Materials, 22, 2000185.
95. “Waterproof Perovskites: High Fluorescence Quantum Yield and Stability from a Methylammonium Lead Bromide/Formate Mixture in Water”, Yeasin Khan, Yohan Ahn, Hyuna Lee, Jaeki Jeong, Yun Seop Shin, Je Seung Lee, Jang Hyuk Kwon, Jin Young Kim, Hoon Sik Kim, Jung Hwa Seo, Bright Walker, Journal of Materials Chemistry C, 8, 5873-5881.
94. “Tungsten-Doped Zinc Oxide and Indium–Zinc Oxide Films as High-Performance Electron-Transport Layers in N–I–P Perovskite Solar Cells”, Ju Hwan Kang, Aeran Song, Yu Jung Park, Jung Hwa Seo, Bright Walker, Kwun-Bum Chung, Polymers, 12, 737.
93. “Hybrid Lead-Halide Polyelectrolytes as Interfacial Electron Extraction Layers in Inverted Organic Solar Cells”, Jin Hee Lee, Yu Jung Park, Jung Hwa Seo, Bright Walker, Polymers, 12, 743.
92. "Effect of Plasmonic Ag Nanoparticles on the Performance of Inverted Perovskite Solar Cells", A. Ali, J. H. Kang, J. H. Seo*, B. Walker*, Advanced Engineering Materials, 22, 1900976.
2019
2019
91. "ZnO:Ga-graded ITO electrodes to control interface between PCBM and ITO in planar perovskite solar cells", H. J. Seok, A. Ali, J. H. Seo, H. H. Lee, N. E. Jung, Y. J. Yi, H. K. Kim*, Science and Technology of Advanced Materials, 20, 389-400.
90. "Effect of counter-ions on the properties and performance of non-conjugated polyelectrolyte interlayers in solar cell and transistor devices", J. H. Kang, Y. J. Park, M. J. Cha, Y. J. Yi, A. R. Song, K. B. Chung, J. H. Seo*, B. Walker*, RSC Advances, 9, 20670?20676.
89. "Depth-dependent electronic band structure at the Au/CH3NH3PbI3-xClx junction", M. J. Cha, Y. J. Park, J. H. Seo*, B. Walker*, Physical Chemistry Chemical Physics, 21, 14541-14545.
88. "Hybrid ZnON–Organic Light Emitting Transistors with Low Threshold Voltage <5 V", Y. J. Park, A. R. Song, B. Walker, J. H. Seo*, K. B. Chung*, Advanced Optical Materials, 7, 1704215.
2018
2018
87. "Implementation of Low?Power Electronic Devices Using Solution?Processed Tantalum Pentoxide Dielectric", J. W. Heo, S. Y. Park, J. W. Kim, S. Y. Song, Y. J. Yoon, J. K. Jeong, H. S. Jang, K. T. Lee, J. H. Seo, B. Walker*, J. Y. Kim*, Advanced Functional Materials, 28, 1704215.
86. "Regioregular dithienosilole- and dithienogermole-based small molecules with symmetric distal/distal orientation of F atoms", D. H. Han, J. H. Lee, S. M. Lee, J. H. Seo, S. H. Park*, C. D. Yang*, Dyes and Pigments, 155, 7-13.
85. "high-efficiency polymer homo-tandem solar cells with carbon quantum-dot-doped tunnel junction intermediate layer", R. K. Kang, S. J. Park, Y. K. Jung*, D. C. Lim, M. J. Cha, J. H. Seo, S. U. Cho*, Advanced Energy Materials, 8, 170165.
2017
2017
84. "Controlling charge balance using non-conjugated polymer interlayer in quantum dot light-emitting diodes", J. Y. Yun, J. Y. Kim, H. K. Jang, K. J. Lee, J. H. Seo, B. J. Jung, G. T. Kim*, J. H. Kwak*, ORGANIC ELECTRONICS, 50, 82-86.
83. "Improved Performance in n-Type Organic Field-Effect Transistors via Polyelectrolyte-Mediated Interfacial Doping", Y. J. Park, M. J. Cha, Y. J. Yoon, S. U. Cho, J. Y. Kim*, J. H. Seo, B. Walker*, ADVANCED ELECTRONIC MATERIALS, 3(10), 1700184.
82. "Peroptronic devices: perovskite-based light-emitting solar cells", H. B. Kim, Y. J. Yoon, J. K. Jeong, J. W. Heo, H. S. Jang, J. H. Seo, B. Walker*, J. Y. Kim*, ENERGY & ENVIRONMENTAL SCIENCE, 10(0), 1950-1957.
2016
2016
81. "Clean thermal decomposition of tertiary-alkyl metal thiolates to metal sulfides: environmentally-benign, non-polar inks for solution-processed chalcopyrite solar cells", J. W. Heo, G. H. Kim, J. K. Jeong, Y. J. Yoon, J. H. Seo,* B. Walker*, J. Y. Kim*, SCIENTIFIC REPORTS, 6, 36608.
80. "Solution-processible Organic-inorganic Hybrid Bipolar Field-effect Transistors", G. J. Chae, K. D. Kim, S. U. Cho*, B. Walker, J. H. Seo, JKPS, 68(7), 889-895.
79. "Solution-processed, inverted organic solar cells with bilayered inorganic/organic electron extraction layers", J. S. Lee, M. J. Cha, Y. J. Park, J. Y. Kim*, J. H. Seo,* B. Walker*, RSC Adv. 6, 36561
2015
2015
78. "Electron-rich p-extended phthalocyanine–thiophene–phthalocyanine triad for the sensitive and selective detection of picric acid", A. Gupta, J. H. Lee, J. H. Seo, S.G. Lee, J. S. Park*, RSC Adv. 5, 73989.
77. "High efficient inverted bulk-heterojunction solar cells with a gradiently-doped ZnO layer", S. H. Nho, G. L. Baek, S. J. Park, B. R. Lee, M. J. Cha, D. C. Lim, J. H. Seo, S. H. Oh, M. H. Song, S. U. Cho*, Energy Environ. Sci. 9, 240-246.
76. "Solution-processed organic trilayer solar cells incorporating conjugated polyelectrolytes", M. J. Cha, J. H. Seo*, Jpn. J. Appl. Phys. 55, 014101.
75. "Improved performance in flexible organic solar cells via optimization of highly transparent silver grid/graphene electrodes", M. J. Cha, S. M. Kim, S. J. Kang, J. H. Seo*, B. Walker*, RSC Adv. 5(80), 65646-65650.
74. "Enhanced performance in isoindigo based organic small molecule field-effect transistors through solvent additives", Y. J. Park, J. H. Seo, W. Elsawy, B. Walker*, S. U. Cho*, J. S. Lee*, J. Mater. Chem. C. 3(23), 5951-5957.
73. "Dithienogermole-Containing Small-Molecule Solar Cells with 7.3% Efficiency: In-Depth Study on the Effects of Heteroatom Substitution of Si with Ge", M. Moon, B. Walker, J. Lee, S. Y. Park, H. Ahn, T. Kim, T. H. Lee, J. Heo, J. H. Seo, T. J. Shin, J. Y. Kim*, C. D. Yang*, Adv. Energy Mater. 1402044.
72. "Characteristic Fluorescence Response of (6-Hydroxy-2-naphthyl)ethenyl Pyridinium Dyes with Bovine Serum Albumin", M. S. Choi, A. Gupta, J. H. Seo, S. Velmathi, J. N. Wilson, J. S. Park*, Bull. Korean Chem. Soc. 36(1), 230-236.
2014
2014
71. "Electronic properties and molecular distribution of a small moleculedonor:acceptor mixture empolying a processing additive", J. H. Seo,* Synthetic Metals, 209, 200-205.
70. "High mobility solution-processed hybrid light emitting transistors", B. Walker, M. Ullah, G. J. Chae, P. L. Burn, S. Cho, J. Y. Kim, E. B. Namdas, J. H. Seo,* Appl. Phys. Lett. 105, 183302.
2013
2013
69. "Solution-processed CdS transistors with high electron mobility", B. Walker, G.-H. Kim, J. Heo, G. J. Chae, J. Park, J. H. Seo, J. Y. Kim, RSC Adv. 4, 3153.
68. "An unprecedented [5,6]-open adduct via a direct benzyne-C-60 cycloaddition", G. Kim, K. C. Lee, J. Kim, J. Lee, S. M. Lee, J. C. Lee, J. H. Seo, W.-Y. Choi, C. Yang, Tetrahedron, 69 (35) 7354-7359.
67. "Hybrid Transparent Conductive Films of Multilayer Graphene and Metal Grid for Organic Photovoltaics", S. M. Kim, B. Walker, J. H. Seo,* S. J. Kang, J. J. Appl. Phys. 52, 125103.
66. "Conjugated polyelectrolytes: A new class of semiconducting material for organic electronic devices", W. Lee, J. H. Seo,* H. Y. Woo, Polymer, 54(19) 5104-5121. - Invited feature article.
65. "Controlling Polarity of Organic Bulk Heterojunction Field-Effect Transistors via Solvent Additives", J. K. Park, B. Walker, J. H. Seo,* ACS Appl. Mater. Interfaces. 5(11), 4575-4580.
64. "Improved performance in TIPS-pentacene field effect transistors using solvent additives", G. J. Chae, S.-H. Jeong, J. H. Baek, B. Walker, C. K. Song, J. H. Seo,* J. Mater. Chem. C. 1(27), 4216-4221.
63. "Pendant group effects on the optical and electrical properties of carbazole-diketopyrrolopyrrole copolymers", O. Kwon, J. Jo, B. Walker, G. C. Bazan, J. H. Seo,* J. Mater. Chem. A. 1(24), 7118-7124.
62. "Synthesis and Properties of Two Cationic Narrow Band Gap Conjugated Polyelectrolytes", Z. B. Henson, Y. Zhang, T.-Q. Nguyen, J. H. Seo,* G. C. Bazan, J. Am. Chem. Soc. 135(11), 4163-4166.
61. "Understanding the Role of Thermal Processing in High Performance Solution Processed Small Molecule Bulk Heterojunction Solar Cells", W. L. Leong, G. C. Welch, J. Seifter, J. H. Seo, G. C. Bazan, A. J. Heeger, Adv. Energy Mater. 3(3), 356-363.
60. "Optimization of Energy Levels by Molecular Design: Evaluation of bis-Diketopyrrolopyrrole Molecular Donor Materials for Bulk Heterojunction Solar Cells", B. Walker, J. Liu, C. Kim, G. Welch, J. K. Park, J. Lin, P. Zalar, C. M Proctor, J. H. Seo, G. C Bazan, T.-Q. Nguyen, Energy Environ. Sci.6(3), 952-962.
59. "Transferable Graphene Oxide by Stamping Nanotechnology: Electron-Transport Layer for Efficient Bulk-Heterojunction Solar Cells", D. H. Wang, J. K. Kim, J. H. Seo, I. Park, B. H. Hong, J. H. Park, A. J. Heeger, Angew. Chem. Int. Ed. 125(10), 2946-2952.
2012
2012
58. "Facile fabrication of tin-doped hematite photoelectrodes – effect of doping on magnetic properties and performance for light-induced water splitting", J. Frydrych, L. Machala, J. Tucek, K. Siskova, J. Filip, J. Pechousek, K. Safarova, M. Vondracek, J. H. Seo, O. Schneeweiss, M. Gratzel, K. Sivula, R. Zboril, J. Mater. Chem. 22(43), 23232-23239.
57. "Stability comparison: A PCDTBT/PC71BM bulk-heterojunction versus a P3HT/PC71BM bulk-heterojunction", D. H. Wang, J. K. Kim, J. H. Seo, O O. Park, J. H. Park, Solar Energy Mater. Solar Cells 101, 249-255.
56. "Regioselective 1,2,3-Bisazfulleroid: Doubly N-Bridged Bisimino-PCBMs for Polymer Solar Cells", B. Kim, J. Lee, J. H. Seo, F. Wudl, S. H. Park, C. Yang, J. Mater. Chem. Accepted.
55. "Observation of Ambipolar Field-effect Behavior in Donor-Acceptor Conjugated Copolymers", S. Cho, J. H. Seo, G.-H. Kim, J. Y. Kim, H. Y. Woo, J. Mater. Chem. 22(39), 21238-21241.
54. "Synthesis, Solid-State and Charge-Transport Properties of Conjugated Polythiophene-S,S-dioxides", J. E. Cochran, E. Amir, K. Sivanandan, S.-Y. Ku, J. H. Seo, B. A. Collins, J. R. Tumbleston, M. F. Toney, H. Ade, C. J. Hawker, M. L. Chabinyc, J. Polym. Sci., Part B: Polym. Phys. Accepted.
53. "Beta-Alkyl substituted Dithieno[2,3-d;2',3'-d']benzo[1,2-b;4,5-b']dithiophene (DTBDT) Semiconducting Materials and Their Application to Solution-Processed Organic Transistors", J. Kim, A-R. Han, J. H. Seo, J. H. Oh, C. Yang, Chem. Mater. Accepted.
52. "Inversion of Dominant Polarity in Ambipolar Polydiketopyrrolopyrrole with Thermally Removable Groups", J. Lee, A-R. Han, J. Hong, J. H. Seo, J. H. Oh, C. Yang, Adv. Funct. Mater.10.1002/adfm.201200940.
51. "High-Performance Ambipolar Transistors and Inverters from an Ultra-Low Bandgap Polymer", J. Fan, J. D. Yuen, M. Wang, J. Seifter, J. H. Seo, A. R. Mohebbi, D. Zakhidov, A. Heeger, F. Wudl, Adv. Mater.24(16), 2186-2190.
50. "Breaking Down the Problem: Optical Transitions, Electronic Structure and Photoconductivity in Conjugated Polymer PCDTBT and in Its Separate Building Blocks", N. Banerji, E. Gagnon, P.-Y. Morgantini, S. Valouch, A. Mohebbi, J. H. Seo, M. Leclerc, A. J. Heeger, J. Phys. Chem. C 116(21), 11456-11469.
49. "Effect of side chain position on solar cell performance in cyclopentadithiophene-based copolymers", S. K. Lee, J. H. Seo, N. S. Cho, S. Cho, Thin Solid Films 520, 5438-5441.
48. "Electronic properties of small molecule-diketopyrrolopyrrole derivatives and a correlation with the open circuit voltage in organic solar cells", J. H. Seo Synth. Metals 162(9-10), 748-752.
47. "Build-up of symmetry breaking using a titanium suboxide in bulk-heterojunction solar cells", J. H. Seo, H. Kim, S. Cho, Phys. Chem. Chem. Phys. 14(12), 4062-4065.
46. "The Effect of Processing Additive on Aggregated Fullerene Derivatives in Bulk-Heterojunction Polymer Solar Cells", J. H. Seo, S. Y. Nam, K.-S. Lee, T.-D. Kim, S. Cho, Org. Electronics. 13(4), 570-578.
45. "Morphology Control of Solution Processable Small Molecule Bulk Heterojunction Solar Cells via Solvent Additives", J. K. Park, C. Kim, B. Walker, T.-Q. Nguyen, J. H. Seo, RSC Adv. 2(6), 2232-2234.
44. "Easily Attainable Phenothiazine-Based Polymers for Polymer Solar Cells: Advantage of Insertion of S,S-dioxides into its Polymer for Inverted Structure Solar Cells", G. Kim, H. R. Yeom, S. Cho, J. H. Seo, J. Y. Kim, C. Yang, Macromolecules 45 (4), 1847–1857.
2011
2011
43. "Swapping field-effect transistor characteristics in polymeric diketopyrrolopyrrole semiconductors: debut of an electron dominant transporting polymer", J. Lee, S. Cho, J. H. Seo, P. Anant, J. Jacob, C. Yang, J. Mater. Chem. 22(4),1504-1510.
42. "Effect of a symmetry breaking layer on the open circuit voltage of conventional bulk-heterojunction solar cells", H. Kim, J. H. Seo, and S. Cho, Appl. Phys. Lett. 99, 213302.
41. "Quinacridone-Based Electron Transport Layers for Enhanced Performance in Bulk-Heterojunction Solar Cells", T. V. Pho, H. Kim, J. H. Seo, A. J. Heeger, and F. Wudl, Adv. Funct. Mater. 21(22) 4338–4341.
40. "Solution-processed Organic Light-emitting Transistors Incorporating Conjugated Polyelectrolytes", J. H. Seo, E. B. Namdas, A. Gutacker, A. J. Heeger, and G. C. Bazan, Adv. Funct. Mater. 21(19) 3667-3672. - Selected for a back cover art.
39. "Enhanced Power Conversion Efficiency in PCDTBT/PC70BM Bulk Heterojunction Photovoltaic Devices with Embedded Silver Nanoparticle Clusters", D. H. Wang, K. H. Park, J. H. Seo, J. Seifter, J. H. Jeon, J. H. Park, O O. Park and A. J. Heeger, Adv. Energy Mater. 1(5) 766-770.
38. "Fullerene-carbene Lewis Acid-Base Adducts", H. Li, C. Risko, J. H. Seo, C. M. Campbell, G. Wu, J.-L. Bredas, and G. C. Bazan, J. Am. Chem. Soc. 133(32) 12410–12413.
37. "A Porphyrin–Fullerene Dyad with a Supramolecular “Double-Cable” Structure as a Novel Electron Acceptor for Bulk Heterojunction Polymer Solar Cells", C.-L. Wang, W.-B. Zhang, R. M. Van Horn, Y. Tu, X. Gong, S. Z. D. Cheng, Y. Sun, M. Tong, J. H. Seo, B. B. Y. Hsu, and A. J. Heeger, Adv. Mater. 23(26), 2951–2956.
36. "End-Capping Effect of a Narrow Band-gap Conjugated Polymer on Bulk Heterojunction Solar Cells", J. K. Park, J. Jo, J. H. Seo, J. S. Moon, Y. D. Park, K. Lee, A. J. Heeger, and G. C. Bazan, Adv. Mater. 23(21) 2430–2435.
35. "Bulk Heterojunction Solar Cells with Large Open-Circuit Voltage: Electron Transfer with Small Donor-Acceptor Energy Offset", X. Gong, M. Tong, F. G. Brunetti, J. H. Seo, Y. Sun, D. Moses, F. Wudl, and A. J. Heeger, Adv. Mater. 23(20) 2272–2277. - Selected for Frontispiece.
34. "Poly(diketopyrrolopyrrole-benzothiadiazole) with Ambipolarity Approaching 100% Equivalency", S. Cho, J. Lee, M. Tong, J. H. Seo, and C. Yang, Adv. Funct. Mater. 21(10) 1910-1916. - Selected for Inside Front cover.
33. "1,4-fullerene derivatives: tuning the properties of the electron transporting layer in bulk-heterojunction solar cells ", A. Varotto, N. D. Treat, J. Jo, C. G. Shuttle, N. A. Batara, F. G. Brunetti, J. H. Seo, M. L. Chabinyc, C. J. Hawker, A. J. Heeger, and F. Wudl. Angew. Chem. Int. Edit. 50(22) 5166-5169.
32. "Non-chemical approach toward 2D self-assemblies of Ag nanoparticles via cold plasma treatment of substrates", K. Siskova, K. Safarova, J. H. Seo, R. Zboril, and M. Mashlan, Nanotechnology 22, 275601.
31. "Efficient, Air-Stable Bulk Heterojunction Polymer Solar Cells Using MoOx as the Anode Interfacial Layer", Y. Sun, C. J. Takacs, S. R. Cowan, J. H. Seo, X. Gong, A. Roy and A. J. Heeger, Adv. Mater. 23(19), 2226-2230.
30. "Improved High-Efficiency Organic Solar Cells via Incorporation of a Conjugated Polyelectrolyte Interlayer", J. H. Seo, A. Gutacker, Y. Sun, H. Wu, F. Huang, Y. Cao, U. Scherf, A. J. Heeger, and G. C. Bazan, J. Am. Chem. Soc. 133 (22), 8416–8419.
29. "Enhancement of power conversion efficiency from Au nanoparticles in donor-acceptor polymer bulk-heterojunction solar cells", D. H. Wang, D. Y. Kim, K. W. Choi, J. H. Seo, S. H. Im, J. H. Park, O. O. Park, and A. J. Heeger, Angew. Chem. Int. Edit. 50(24), 5404. - Selected for Cover image.
28. "Synthesis and characterization of soluble low bandgap oligothiophene-[all]-S,S-dioxides based conjugated oligomers and polymers", E. Amir, K. Sivanandan, J. E. Cochran, J. J. Cowart, S.-Y. Ku, J. H. Seo, M. L. Chabinyc, and C. J. Hawker, J. Polym. Sci., Part A: Polym. Chem. 49(9), 1933-1941.
27. "Effects of Substituted Side-Chain Position on Donor–Acceptor Conjugated Copolymers", S. K. Lee, S. Cho, M. Tong, J. H. Seo, and Alan J. Heeger, J. Polym. Sci., Part A: Polym. Chem. 49(8), 1821–1829.
26. "Inverted Polymer Solar Cells Integrated with a Low-Temperature-Annealed Sol-Gel-Derived ZnO Film as an Electron Transport Layer", Y. Sun, J. H. Seo, C. J. Takacs, J. Seifter, and A. J. Heeger, Adv. Mater. 23(14), 1679–1683.
25. "Energy level alignments at poly[N-9"-hepta-decanyl-2,7-carbazole-alt-5,5-(4',7'-di-2-thienyl-2',1',3'-benzothiadiazole)] on metal and polymer interfaces", J. H. Seo, S. Cho, M. Leclerc, and A. J. Heeger, Chem. Phys. Lett. 503, 101-104.
24. "Polymer Bulk Heterojunction Solar Cells: Function and Utility of Inserting a Hole Transport and Electron Blocking Layer into the Device Structure", Y. Sun, M. Wang, X. Gong, J. H. Seo, B. B. Y. Hsu, F. Wudl, and A. J. Heeger, J. Mater. Chem. 21, 1365-1367.
23. "The N=S=N Link as Electron Accepting Moiety for Stable, Solution-Processable Conjugated Oligomers", M. Wang, Y. Sun, M. Tong, E. S. Chesnut, J. H. Seo, R. Kumar, and F. Wudl, J. Polym. Sci., Part A: Polym. Chem. 49(2), 441–451.
22. "Solubility-Controlled Structural Ordering of Narrow Bandgap Conjugated Polymers", Y. D. Park, J. K. Park, J. H. Seo, J. D. Yuen, W. H. Lee, K. Cho, and G. C. Bazan, Adv. Energy Mater. 1, 63-67.
2010
2010
21. "Increased open-circuit voltage in bulk-heterojunction solar cells using a C60 derivative", H. Kim, J. H. Seo, E. Y. Park, T.-D. Kim, K. Lee, K.-S. Lee, S. Cho, and A. J. Heeger, Appl. Phys. Lett. 97, 193309.
20. "Nanostructure and optoelectronic characterization of small molecule bulkheterojucntion solar cells by photoconductive atomic force microscopy", X.-D. Dang, A. B. Tamayo, J. H. Seo, C. V. Hoven, B. Walker, and T.-Q. Nguyen, Adv. Funct. Mater. 20, 3314–3321. - Selected for Frontispiece.
19. "Conjugated polyelectrolytes for organic light emitting transistors", J. H. Seo, E. B. Namdas, A. Gutacker, A. J. Heeger, and G. C. Bazan, Appl. Phys. Lett. 97, 043303.
18. "A Thermally Stable Semiconducting Polymer", S. Cho, J. H. Seo, S. H. Park, S. Beaupre´, M. Leclerc, and A. J. Heeger, Adv. Mater. 22(11), 1253-1257.
2009
2009
17. "Improved Injection in n-Type Organic Transistors with Conjugated Polyelectrolytes", J. H. Seo, A. Gutacker, B. Walker, S. Cho, A. Garcia, R. Yang, T.-Q. Nguyen, A. J. Heeger, and G. C. Bazan, J. Am. Chem. Soc. 131(25), 8903-8912.
16. "Nanoscale Phase Separation and High Photovoltaic Efficiency in Solution-Processed, Small-Molecule Bulk Heterojuction Solar Cells", B. Walker, A. B. Tamayo, X.-D. Dang, P. Zalar, J. H. Seo, A. Garcia, M. Tantiwiwat, and T.-Q. Nguyen, Adv. Funct. Mater. 19(19), 3063-3069. Selected for inside front cover.
15. "Molecular Design, Device Function and Surface Potential of Zwitterionic Electron Injection Layers", H. Li, Y. Xu, C. V. Hoven, C. Li, J. H. Seo, and G. C. Bazan, J. Am. Chem. Soc. 131(25), 8903-8912.
14. "Enhanced Performance of Fullerene n-Channel Field-Effect Transistors with Titanium Sub-Oxide Injection Layer", S. Cho, J. H. Seo, K. Lee, and A. J. Heeger, Adv. Funct. Mater. 19(9), 1459-1464.
13. "Exciton Binding Energies in Conjugated Polyelectrolyte Films", J. H. Seo, Y. Jin, J. Z. Brzezinski, B. Walker, and T.-Q. Nguyen, ChemPhysChem 10(7), 1023-1027.
12. "A low band gap, solution-processable oligothiophene with a dialkylated diketopyrrolopyrrole chromophore for use in bulk heterojunction solar cells", A. B. Tamayo, X.-D. Dang, B. Walker, J. H. Seo, T. Kent, and T.-Q. Nguyen, Appl. Phys. Lett. 94, 103301.
11. "Electronic Properties at Gold/Conjugated Polyelectrolyte Interfaces", J. H. Seo, R. Yang, J. Z. Brzezinski, B. Walker, G. C. Bazan, and T.-Q. Nguyen, Adv. Mater. 21(9), 1006-1013.
2008
2008
10. "Effect of Substituted Side Chain on Donor-Acceptor Conjugated Copolymers", S. Cho, J. H. Seo, S. H. Kim, S. Song, Y. Jin, K. Lee, H. Suh, and A. J. Heeger, Appl. Phys. Lett. 93, 263301.
9. "Unipolar-to-ambipolar conversion of organic thin-film transistors by organosilane self-assembled monolayer", J. H. Seo, G. S. Chang, R. Wilks, C. N. Whang, K. H. Chae, S. Cho, K.-H. Yoo, and A. Moewes, J. Phys. Chem. B 112(51), 16266-16270.
8. "Organic Thin-Film Transistors Based on α,ω-Dihexyldithienyl-Dihydrophenanthrene", N. S. Cho, S. Cho, M. Elbing, J. K. Lee, R. Yang, J. H. Seo, K. Lee, G. C. Bazan, and A. J. Heeger, Chem. Mater. 20(20), 6289-6291.
7. "Small Molecule Sensitizers for Near-Infrared Absorption in Polymer Bulk Heterojunction Solar Cells", J. Peet, A. B. Tamayo, X.-D. Dang, J. H. Seo, and T.-Q. Nguyen, Appl. Phys. Lett. 93, 163306. Selected for Virtual Journal of Nanoscale Science & Technology.
6. "α,ω-Dihexylthienoselenophene Derivatives: New Class of High-Performance Semiconductors for Organic Thin-Film Transistors", N. S. Cho, S. K. Lee, J. H. Seo, M. Elbing, J. D. Azoulay, J. Park, S. Cho, A. J. Heeger, and G. C. Bazan, J. Mater. Chem. 18(41), 4909-4911.
5. "Influence of 2-mercapto-5-nitrobenzimidazole treatment on the electronic characteristics of bottom-contact organic field-effect transistors", D. S. Park, W. C. Jang, S. W. Cho, J. H. Seo, I. S. Jeong, T. W. Kim, G. S. Chang, A. Moewes, K. H. Chae, K. Jeong, K.-H. Yoo, and C. N. Whang, Org. Electronics 9(6), 1010-1016.
4. "Electronic Properties of Conjugated Polyelectrolytes Thin Films", J. H. Seo, and T.-Q. Nguyen, J. Am. Chem. Soc. 130(31), 10042-10043.
2007
2007
3. "Probing Interfacial Characteristics of Rubrene/Pentacene and Pentacene/Rubrene Bilayers with Soft X-Ray Spectroscopy", J. H. Seo, T. M. Pedersen, G. S. Chang, A. Moewes, K.-H. Yoo, S. J. Cho, and C. N. Whang, J. Phys. Chem. B 111(32), 9513-9518.
2. "Origin of charge transfer complex resulting in Ohmic contact at the C60/Cu interface", S. W. Cho, Y. Yi, J. H. Seo, C. Y. Kim, M. Noh, K.-H. Yoo, K. Jeong, and C.-N. Whang, Synth. Metals 157(2-3), 160-164. Selected for a front cover.
1. "Electronic structure of NPB and BCP molecules probed by x-ray emission spectroscopy", J. H. Seo, C. Y. Kim, S. J. Kang, K. -H. Yoo, C. N. Whang, A. Moewes, and G. S. Chang,J. Phys. Chem. B 126(6), 064706.
Page updated
Google Sites
Report abuse