+ 2019

114. Dae-Gyo Seo, Yeongjun Lee, Gyeong-Tak Go, Mingyuan Pei, Sungwoo Jung, Yo Han Jeong, Wanhee Lee, Hea-Lim Park, Sang-Woo Kim, Hoichang Yang, Changduk Yang, Tae-Woo Lee, “Versatile neuromorphic electronics by modulating synaptic decay of single organic synaptic transistor: From artificial neural networks to neuro-prosthetics“, Nano Energy 2019, VOL.65, 104035 [PDF]

113. Hyeok-jin Kwon, Chun Yan Gao, Xiaowu Tang, Jisu Hong, Chan Eon Park, Hoyoul Kong, Se Hyun Kim, Hoichang Yang, “Comparison of semiconductor growth and charge transport on hydrophobic polymer dielectrics of organic field-effect transistors: Cytop vs. polystyrene“, Organic Electronics 2019, 105485 [PDF]

112. Chun Yan Gao, Mingyuan Pei, Hyoung Jin Choi, Hoichang Yang, “Semiconducting Polymer Blends: Spontaneous Phase Separation of Poly(3‐hexylthiophene)s with Different Regioregularity for a Stretchable Semiconducting Film (Adv. Funct. Mater. 35/2019)“, Advanced Functional Materials 2019, VOL.29, NO.35, 1970244 [PDF]

111. Chun Yan Gao, Mingyuan Pei, Hyoung Jin Choi, Hoichang Yang, “Spontaneous Phase Separation of Poly (3‐hexylthiophene) s with Different Regioregularity for a Stretchable Semiconducting Film“, Advanced Functional Materials 2019, VOL.29, NO.35, 1903163 [PDF]

110. Hyeon‐Dong Lee, Hobeom Kim, Himchan Cho, Wonhee Cha, Yongseok Hong, Young‐Hoon Kim, Aditya Sadhanala, Vijay Venugopalan, Joo Sung Kim, Jin Woo Choi, Chang‐Lyoul Lee, Dongho Kim, Hoichang Yang, Richard H Friend, Tae‐Woo Lee, “Efficient Ruddlesden–Popper Perovskite Light‐Emitting Diodes with Randomly Oriented Nanocrystals“, Advanced Functional Materials 2019, VOL.29,  NO.27, 1901225 [PDF]

109. Soo Jin Kim, Hyoungjun Kim, Jongtae Ahn, Do Kyung Hwang, Hyunsu Ju, Min‐Chul Park, Hoichang Yang, Se Hyun Kim, Ho Won Jang, Jung Ah Lim, “A New Architecture for Fibrous Organic Transistors Based on a Double‐Stranded Assembly of Electrode Microfibers for Electronic Textile Applications“, Advanced Materials 2019, VOL.31, NO.23, 1900564 [PDF]

108. Jun Huang, Mingyuan Pei, Hee Su Kim, Hoichang Yang, Do-Hoon Hwang, “Dithienobenzothiadiazole-Based Donor-Acceptor Polymer: Synthesis and Characterization for Organic Field-Effect Transistor“, Macromolecular Research 2019, VOL.27, NO.3, 227-231 [PDF]

107. Soyeong Ahn, Min‐Ho Park, Su‐Hun Jeong, Young‐Hoon Kim, Jinwoo Park, Sungjin Kim, Hobeom Kim, Himchan Cho, Christoph Wolf, Mingyuan Pei, Hoichang Yang, Tae‐Woo Lee, “Fine Control of Perovskite Crystallization and Reducing Luminescence Quenching Using Self‐Doped Polyaniline Hole Injection Layer for Efficient Perovskite Light‐Emitting Diodes“, Advanced Functional Materials 2019, VOL.29, NO.6, 1807535 [PDF]

106. Gyurim Park, Hyungchae Kim, Hoichang Yang, Kyung Ryoul Park, Inho Song, Joon Hak Oh, Changsoon Kim, Youngmin You, “Amplified circularly polarized phosphorescence from co-assemblies of platinum (II) complexes“, Chemical science 2019, VOL.10, NO.5, 1294-1301 [PDF]

+ 2018

105. Hyung Jong Kim, Mingyuan Pei, Joong Se Ko, Min Hee Ma, Gi Eun Park, Jimin Baek, Hoichang Yang, Min Ju Cho, Dong Hoon Choi, “Influence of Branched Alkyl Ester-Labeled Side Chains on Specific Chain Arrangement and Charge-Transport Properties of Diketopyrrolopyrrole-Based Conjugated Polymers“, ACS applied materials & interfaces 2018, VOL.10, NO.47,  40681-40691 [PDF]

104. Mingyuan Pei, Joong Se Ko, Hwanho Shin, Minsang Cho, Jimin Baek, Gyudong Kim, Ji Ho Youk, Hoichang Yang, “Self-Assembly of Pentacene on Sub-nm Scale Surface Roughness-Controlled Gate Dielectrics“,Macromolecular Research 2018, VOL.26, NO.10, 942-949 [PDF]

103. Jongjang Park, Jaeheung Ha, Narkhyeon Seong, Seunghwan Lee, Changhee Lee, Hoichang Yang, Yongtaek Hong, “Highly efficient solution-processed inverted polymer light emitting diodes with uniformly coated poly(3,4-ethylenedioxythiophene):poly(styrene-sulfonate) layers on a hydrophobic emission layer using a dilution method“, Thin Solid Films 2018, 660, 782-788 [PDF]

102. Min Hoe Cho, Hyunju Seol, Hoichang Yang, Pil Sang Yun, Jong Uk Bae, Kwon-Shik Park, and Jae Kyeong Jeong, “High-Performance Amorphous Indium Gallium Zinc Oxide Thin-Film Transistors Fabricated by Atomic Layer Deposition“, IEEE ELECTRON DEVICE LETTERS 2018, VOL. 39, NO. 5 [PDF]

 

+ 2017

101. Mingyuan Pei, Ji‐Hoon Kim, Sungmin On, Han‐Koo Lee, Kilwon Cho, Do‐Hoon Hwang, and Hoichang Yang, “Coplanar Donor–Acceptor Semiconducting Copolymers to Achieve Better Conjugated Structures: Side‐Chain Engineering“, Macromol. Chem. Phys 2017, 218 [PDF]

100. Harim Choi, Seulyi Lee, Sang Hee Park, Joong Se Ko, and Hoichang Yang, “Water repellency of large-scale imprinting-assisted polymer films“, Macromolecular Research 2017, 25, 584-590 [PDF]

99. Dipak V Shinde, Limok Pyeon, Mingyuan Pei, Guan-Woo Kim, Hoichang Yang, and Taiho Park, “Enhanced efficiency and stability of an aqueous lead-nitrate-based organometallic perovskite solar cell“, ACS Appl. Mater. Interfaces 2017, 9, 14023-14030 [PDF]

98. Soo Jin Kim, Mi Jang, Hee Yeon Yang, Jinhan Cho, Ho Sun Lim, Hoichang Yang, and Jung Ah Lim, “Instantaneous Pulsed-Light Cross-Linking of a Polymer Gate Dielectric for Flexible Organic Thin-Film Transistors“, ACS Appl. Mater. Interfaces 2017, 9, 11721-11731 [PDF]

97. Jong Han Baek, Hyunju Seol, Kilwon Cho, Hoichang Yang, and Jae Kyeong Jeong, “Comparative Study of Antimony Doping Effects on the Performance of Solution-Processed ZIO and ZTO Field-Effect Transistors“, ACS Appl. Mater. Interfaces 2017, 9, 10904-10913 [PDF]

96. Jewook Ha, Seungjun Chung, Mingyuan Pei, Kilwon Cho, Hoichang Yang, and Yongtaek Hong, “One-Step Interface Engineering for All-Inkjet-Printed, All-Organic Components in Transparent, Flexible Transistors and Inverters: Polymer Binding“, ACS Appl. Mater. Interfaces 2017, 9, 8819-8829 [PDF]

95. Mingyuan Pei, Albert S Lee, Seung Sang Hwang, and Hoichang Yang, “Ladder-like polysilsesquioxane dielectrics for organic field-effect transistor applications“,  J. Mater. Chem. C 2017, 5, 10955-10964 [PDF]

 

+ 2016

94. Mingyuan Pei, Jun Huang, Mi Jang, Ji-Hoon Kim, Minjung Lee, Junwu Chen, Do Hoon Hwang, and Hoichang Yang, “Temperature-Driven Phase Transition of a Fused Dithienobenzothiadiazole-Tetrathiophene Based Semiconducting Copolymer“, J. Phys. Chem. C 2016, 120, 903-910. [PDF]

93. Minjung, Hyeonyeol Jeon, Mi Jang, and Hoichang Yang, “A Physicochemical Approach Toward Extending Conjugation and the Ordering of Solution-Processable Semiconducting Polymers“, ACS Appl. Mater. Interfaces 2016, 8, 4819-4827. [PDF]

92. Jinwoo Byun, Himchan Cho, Christoph Wolf, Mi Jang, Aditya Sadhanala, Richard H. Friend, Hoichang Yang, and Tae-Woo Lee, “Efficient Visible Quasi-2D Perovskite Light-Emitting Diodes“, Adv. Mater. 2016, 28, 7515-7520. [PDF]

91. Sang Jin Han, Sungmin Kim, Joongty Ahn, Jae Kyeong Jeong, Hoichang Yang, and Hyeong Joon Kim, “Composition-Dependent Structural and Electrical Properties of P-ype SnOx Thin Films Prepared by Reactive DC Marnetron Sputtering: Effects of Oxygen Pressure and Heat Treatment“, RSC Advances 2016, 6, 71757-71766. [PDF]

90. Manh-Cuong Nguyen, Mi Jang, Dong-Hwi Lee, Hyun-Jun Bang, Minjung Lee, Jae Kyeong Jeong, Hoichang Yang, and Rino Choi, “Li-Assisted Low-Temperature Phase Transitions in Solution-Processed Indium Oxide Films for High-Performance Thin Film Transistor“, Sci. Rep. 2016, 6, 25079. [PDF]

89. Mingyuan Pei, Kwang Hun Park, Mi Jang, Sang Bong Lee, Joongyu Ahn, Yun-Hi Kim, and Hoichang Yang, “Control of Consistent Ordering in pi-Conjugated Polymer Films for Organic Field-Effect Transistor Applications“, RSC Advances 2016, 6, 70733-70739. [PDF]

88. Mi Jang, Minjung Lee, Hwangho Shin, Joongyu Ahn, Mingyuan Pei, Ji Ho Youk, and Hoichang Yang, “Balancing Surface Hydrophobicity and Polarizability of Fluorinated Dielectrics for Organic Field-Effect Transistors with Excellent Gate-Bias Stability and Mobility“, Adv. Mater. Interfaces 2016, 1600284. [PDF]

87. Kyunghum Kim, Mi Jang, Minjung Lee, Tae Kyu An, John E. Anthony, Se Hyun Kim, Hoichang Yang, and Chan Eon Park, “Unified Film Patterning and Annealing of an Organic Semiconductor with Micro-Grooved Wet Stamps“, J. Mater. Chem. C 2016, 4, 6996-7003. [PDF]

 

+ 2015

86. Ji-Hoon Kim, Jong Baek Park, Hoichang Yang, In Hwan Jung, Sung Cheol Yoon, Dongwook Kim, and Do-Hoon Hwang, “Controlling the Morphology of BDTT-DPP-Based Small Molecules via End-Group Functioinalization for High Efficient Single and Tandem Organic Photovoltaic Cells“, ACS Appl. Mater. Interfaces 2015, 7 (43), 23866-23875. [PDF]

85. Manh-Cuong Nguyen, Seung-Won You, Duc-Tai Tong, Hyun-Joon Bang, Dong-Hwi Lee, Musarrat Hasan, Jae Kyeong Jeong, Hoichang Yang, and Rino Choi, “High performance thin film transistors using low-temperature solution processed Li-incorporated In2O3/ZrO2 stacks“, Microelectron. Eng. 2015, 147, 27-30.  [PDF]

84. Ji-Hoon Kim, Jong Baek Park, In Hwang Jung, Andrew C. Grimsdale, Sung Cheol Yoon, Hoichang Yang, and Do-Hoon Hwang, “Well-controlled thieno[3,4-c]pyrrole-4,6-(5H)-dione based conjugated polymers for high performance organic photovoltaic cells with the power conversion efficiency exceeding 9%“, Energy & Environ. Sci. 2015, 8, 2352-2356. [PDF]

83. Mi Jang, Se Hyun Kim, Han-Koo Lee, Yun-Hi Kim, and Hoichang Yang, “Layer-by-Layer Conjugated Extension of a Semiconducting Polymer for High-Performance Organic Field-Effect Transistor“, Adv. Mater. 2015, 25 (25), 3833-3839. [PDF]

82. Mi Jang, Ji-Hoon Kim, Do-Hoon Hwang, and Hoichang Yang, “Controlling Conjugation and Solubility of Donor-Acceptor Semiconducting Copolymers for High-Performance Organic Field-Effect Transistors“, ACS Appl. Mater. Interfaces 2015, 7 (23), 12781-12788. [PDF]

81. Mi Jang, Young Chang Yu, Hyeonyeol Jeon, Ji Ho Youk and Hoichang Yang, “Air-processable Silane-coupled Polymers to Modify a Dielectric for Solution-processed Organic Semiconductors“, ACS Appl. Mater. Interfaces 2015, 7 (9), 5274-5280. [PDF]

80. Seulyi Lee, Hyeonyeol Jeon, Mi Jang, Kyung-Youl Baek and Hoichang Yang, “Tunable Solubility Parameter of Poly(3-hexyl thiophene) with Hydrophobic Side-Chains to Achieve Rubbery Conjugated Films“, ACS Appl. Mater. Interfaces 2015, 7 (2), 1290-1297. [PDF]

79. Jiye Kim, Mi Jang, Tae Kyu An, Seongcheol Kim, Hyekyoung Kim, Se Hyun Kim, Hoichang Yang, Chan Eon Park, “Dielectric surface-polarity tuning and enhanced operation stability of solution-processed organic field–effect transistors“, Org. Electron. 2015, 17, 87-93. [PDF]

 

+ 2014

78. Shinae Kim, Boseok Kang, Minjung Lee, Seung Goo Lee, Kilwon Cho, Hoichang Yang, and Yeong Don Park, “Sequential solvent casting for improving the structural ordering and electrical characteristics of polythiophene thin films“, RSC Advances 2014, 4 (77) 41159-41163.  [PDF]

77. Mi Jang,Ji Hoon Park, Seongil Im, Se Hyun Kim, and Hoichang Yang, “Critical Factors to Achieve Low Voltage- and Capacitance-Based Organic Field-Effect Transistors“, Adv. Mater. 2014, 26 (2), 288-292. [PDF]

76. Seulyi Lee, Mi Jang, and Hoichang Yang, “Optimized grafting density of end-functionalized polymers to polar dielectric surfaces for solution-processed organic field-effect transistors“, ACS Appl. Mater. Interfaces 2014, 6(22), 20444-51. [PDF]

75. Ji-Hoon Kim, Minjung Lee,Hoichang Yang, and Do-Hoon Hwang, “A high molecular weight triisopropylsilylethynyl (TIPS)-benzodithiophene and diketopyrrolopyrrole-based copolymer for high performance organic photovoltaic cells“, J. Mater. Chem. A 2014 , 2, 6348-6352. [PDF]

74. Ji-Hoon Kim, Seung Ah Shin, Jong Baek Park, Chang Eun Song, Won Suk Shin, Hoichang Yang, Yongfang Li, and Do-Hoon Hwang, “Fluorinated Benzoselenadiazole-Based Low-Band-Gap Polymers for High Efficiency Inverted Single and Tandem Organic Photovoltaic Cells“, Macromolecules 2014, 47 (5), pp 1613–1622. [PDF]

73. Tae-Sik Kim, Se Hyun Kim, Mi Jang, Hoichang Yang, and Tae-Woo Lee, “Charge transport and morphology of pentacene films confined in nano-patterned region“, NPG Asia Mater. 2014, 6, e91. [PDF]

72. Shinae Kim, Boseok Kang, Minjung Lee, Seung Goo Lee, Kilwon Cho, Hoichang Yang and Yeong Don Park, “Sequential solvent casting for improving the structural ordering and electrical characteristics of polythiophene thin films“, RSC Adv., 2014, 4, 41159-41163. [PDF]

 

+ 2013

71. Chang-Kyu Lee, Ah Young Hwang, Hoichang Yang, Dae-Hwang Kim, Jong-Uk Bae, Woo-Sup Shin, Jae Kywong Jeong, “Improvement in the Photo-Bias Stability of Zinc Tin Oxide Thin-Film Transistors by Introducing a Thermal Oxidized TiO2 Film as a Hole Carrier Blocking Layer”, IEEE Trans. Electron Dev. 2013, 60 (12), 4165-4172.

70. Mi Jang, Kyung Youl Baek, Hoichang Yang, “Optimization of Temperaturer-Mediated Organic Semiconducting Crystals on Soft Polymer-Treated Gate Dielectrics“, J. Phys. Chem. C 2013, 117 (48), 25290-25297. [PDF]

69. Musarrat Hasan, Mi Jang, Hong-Hyoub Kim, Manh Cuong Nguyen, Hoichang Yang, Jae Kyeong Jeong, Rino Choi, “Improved Electrical Properties of Solution-Processed ZrO2 Gate Dielectric for Large-Area Flexible Electronics“, Jap. J. Appl. Phys. 2013, 52 (10R), 100206. [PDF]

68. Hyo Won Kim, Hee Wook Yoon, Seon-Mi Yoon, Byung Min Yoo, Byung Kook Ahn, Young Hoon Cho, Hye Ji Shin, Hoichang Yang, Ungyu Paik, Soongeun Kwon, Jae-Young Choi, Ho Bum Park, “Selective Gas Transport Through Few-Layered Graphene and Graphene Oxide Membranes“, Science 2013, 342 (6154), 91-95. [PDF]

67. Seungjun Chung, Mi Jang, Seon-Beom Ji, Hwarim Im, Narkyeong Seong, Jewook Ha, Sooon-Ki Kwon, Yun-Hi Kim, Hoichang Yang, and Yongtaek Hong, “Flexible High-Performance All-Inkjet-Printed Inverters: Organo-Compatible and Stable Interface Engineering“, Adv. Mater. 2013, 25 (34), 4773-4777. [PDF]

66. Sung-Yong Min, Tae-Sik Kim, Beom Joon Kim, Himchan Cho, Yong-Young Noh, Hoichang Yang, Jeong Ho Cho, and Tae-Woo Lee, “Large-scale organic nanowire lithography and electronics“, Nat. Comm. 2013, 4, 1773. [PDF]

 

+ 2012

65. Se Hyun Kim, Won Min Yoon, Mi Jang, Hoichang Yang, Jong-Jin Park, and Chan Eon Park, “Damage-free hybrid encapsulation of organic field-effect transistors to reduce environmental instability”, J. Mater. Chem. 2012, 22, 7731-7738. [PDF]

64. Mi Jang and Hoichang Yang, “Structural Control Over Self-Assembled Crystals of pi-Conjugated Poly(3,3”’-didodecyl-quaterthiophene) for Organic Field-Effect Transistor Applications”, J. Nanosci. Nanotechnol. 2012, 12 (2), 1220-1225.

63. Sun Woo Yun, Jong H. Kim, Seunghoon Shin, Hoichang Yang, Byeong-Kwan An, Lin Yang, and Soo Young Park, ”High-Performance n-type Organic Semiconductors: Incorporating Specific Electron-Withdrawing Motifs to Achieve Tight Molecular Stacking and Optimized Energy Levels”, Adv. Mater. 2012, 24 (7), 911-915. [PDF]

62. Yoon-Uk Heo, Tae-Young Jang, Donghyup Kim, Jun Suk Chang, Manh Cuong Nguyen, Musarrat Hasan, Hoichang Yang, Jae Kyeong Jeong, and Rino Choi, “Effect of Al incorporation on the performance and reliability of p-type metal-oxide-semiconductor field effect transistors”, Thin Solid Films, 2012, 521 (30), 119-122.  [PDF]

61. Se Hyun Kim, Mi Jang, Jiye Kim, Harim Choi, Kyung-Youl Baek, Chan Eon Park, and Hoichang Yang, “Complementary photo and temperature cured polymer dielectrics with high-quality dielectric properties for organic semiconductors”, J. Mater. Chem. 2012, 22, 19940-19947. [PDF]

60. Seungha Oh, Bong Seob Yang, Yoon Jang Kim, Myeong Sook Oh, Mi Jang, Hoichang Yang, Jae Kyeong Jeong, Cheol Seong Hwang, and Hyeong Joon Kim, “Anomalous behavior of negative bias illumination stress instability in an indium zinc oxide transistor: A cation combinatorial approach”, Appl. Phys. Lett. 2012, 101 (9), 092107 [PDF]

 

+ 2011

59. Hye-Yun Park, Hoichang Yang, Si-Kyung Choi, and Sung-Yeon Jang, “Efficient Solvent-assisted Post-Treatment for Molecular Rearrangement of Sprayed Polymer Field Effect Transistors”, ACS Appl. Mater. Interfaces 2011, 4 (1), 214-221.  [PDF]

58. Hyun-Ji Kim, Yun Jae Lee, Seung Sang Hwang, Dong Hoon Choi, Hoichang Yang, and Kyung-Youl Baek, “Synthesis of Multiarmed Poly(3-hexyl thiophene) Star Polymer with Microgel Core by GRIM and ATRP Methods”, J. Polym. Sci. A Polym. Chem. 2011, 49 (19), 4221-4226. [PDF]

57. Tae-Young Jang, Dong-Hyoub Kim, Jungwoo Kim, Jun Suk Chang, Cuong Nguyen Manh, Musarrat Hasan, Jae Kyeong Jeong, Hoichang Yang, Hokyung Park, and Rino Choi, “Bias polarity dependence of charge trapping behaviours in La-incorporated hafnium-based dielectric”, Appl. Phys. Lett. 2011, 99 (8), 082905. [PDF]

56. Ji-In Kim, Kwang Hwan Ji, Mi Jang, Hoichang Yang, Rino Choi, and Jae Kyeong Jeong, “Ti-Doped Indium Tin Oxide Thin Films for Transparent Field-Effect Transistors: Control of Charge-Carrier Density and Crystalline Structure”, ACS Appl. Mater. Interfaces 2011, 3 (7), 2522-2528. [PDF]

55. Ji-In Kim, Kwang Hwan Ji, Hong Yoon Jung, Se Yeob Park, Rino Choi, Mi Jang, Hoichang Yang, Dae-Hwan Kim, Jong-Uk Bae, Chang Dong Kim, and Jae Kyeong Jeong, “Improvement in both mobility and bias stability of ZnSnO transistors by inserting ultra-thin InSnO layer at the gate insulator/channel interface”, Appl. Phys. Lett. 2011, 99 (12), 122102. [PDF]

54. Se Hyun Kim, Mi Jang, Hoichang Yang, John E. Anthony, and Chan Eon Park, “Physicochemically Stable Polymer-Coupled Oxide Dielectrics for Multipurpose Organic Electronic Applications”, Adv. Funct. Mater. 2011, 21 (12), 2198-2207. [PDF]

Hoichang Yang, Mi Jang, Seung Sang Hwang, Han Sup Lee, and Kyung-Youl Baek, “Vertical Conducting Nanodomains Self-Assembled from Poly(3-hexyl thiophene)-Based Diblock Copolymer Thin Films”, J. Phys. Chem. C 2011, 115 (10), 4228-4234. [PDF]

 

+ 2010

52. Kiwoon Choi, Sung Ho Park, Young Min Song, Yong Tak Lee, Chang Kwon Hwangbo, Hoichang Yang and Han Sup Lee, “Nano-tailoring the Surface Structure for the Monolithic High-Performance Antireflection Polymer Film”, Adv. Mater. 2010, 22 (33), 3713-3718.  [PDF]

51. Se Hyun Kim, Kipyo Hong, Mi Jang, Jaeyoung Jang, John E. Anthony, Hoichang Yang and Chan Eon Park, “Photo-curable polymer blend dielectrics for advancing organic field-effect transistor applications”, Adv. Mater. 22 (43), 4809-4813. [PDF]

50. Se Hyun Kim, Mi Jang, Hoichang Yang and Chan Eon Park, “Effect of pentacene-dielectric affinity on pentacene thin film growth morphology in organic field-effect transistors”, J. Mater. Chem. 2010, 20, 5612-5620. [PDF]

49. Youngmin You, Hoichang Yang, Jong Won Chung, Jong H. Kim, Yunoh Jung and Soo Young Park, “Micromolding of a Highly Fluorescent Reticular Coordination Polymer: Solvent-Mediated Reconfigurable Polymerization in a Lithographic Mold”, Angew. Chem. Int. Ed. 2010, 49 (22), 3757-3761. [PDF]

48. Shane E. Harton, Sanat K. Kumar, Hoichang Yang, Tadanori Koga, Kyle Hicks, HyungKi Lee, Jovan Mijovic, Ming Liu, Richard S. Vallery and David W. Gidley, “Immobilized Polymer Layers on Spherical Nanoparticles”, Macromolecules 2010, 43 (7), 3415-3421. [PDF]

47. Hoichang Yang, Chanwoo Yang, Se Hyun Kim, Mi Jang and Chan Eon Park, “Dependence of Pentacene Crystal Growth on Dielectric Roughness for Fabrication of Flexible Field-Effect Transistors”, ACS Appl. Mater. Interfaces 2010, 2 (2), 391-396. [PDF]

46. Hoichang Yang and Kilwon Cho, “Surface modification effets of core-shell rubber particles on the toughening of poly(butylene terephthalate)”, J. Appl. Polym. Sci. 2010, 116 (4), 1948-1957. [PDF]

45. Hsiang-Yu Chen, Jianhui Hou, Amy E. Hayden, Hoichang Yang, K. N. Houk and Yang Yang, “Silicon Atom Substitution Enhances Interchain Packing in a Thiophene-Based Polymer System”, Adv. Mater. 2010, 22 (3), 371-375. [PDF]

 

+ 2009

44. Lin Yang and Hoichang Yang, “Use of a hexapod in diffraction measurements of substrate-supported crystals of organic semiconductors”, J. Synchrotron. Radiat. 2009, 16 (6), 788-795. [PDF]

43. Jong Won Chung, Hoichang Yang, Birendra Singh, Hyunsik Moon, Byeong-kwan An, Sang Yoon Lee and Soo Young Park, “Single-crystalline organic nanowires with large mobility and strong fluorescence emission: a conductive-AFM and space-charge-limited-current study”, J. Mater. Chem. 2009, 19, 5920-5925. [PDF]

42. Hsiang-Yu Chen, Hoichang Yang, Guanwen Yang, Srinivas Sista, Ruben Zadoyan, Gang Li and Yang Yang, “Fast-Grown Interpenetrating Network in Poly(3-hexylthiophene): Methanofullerenes Solar Cells Processed with Additive”, J. Phys. Chem. C 2009, 113 (18), 7946-7953.  [PDF]

41. Wen Shang, Donna E. Crone, Hoichang Yang, Jonathan S. Dordick, Robert E. Palazzo and Richard W. Siegel, “Using Centrosome Fragments in the Directed Assembly of Microtubules”, J. Nanosci. Nanotechnol. 2009, 9 (2), 871-875. [PDF]

 

+ 2008

40. Do Hwan Kim, Hwa Sung Lee, Hoichang Yang, Lin Yang and Kilwon Cho, “Tunable crystal nanostructures of pentacene thin films on gate dielectrics possessing surface-order control”, Adv. Mater. 2008, 18 (9), 1363-1370. [PDF]

39. Chih-Wei Chu, Hoichang Yang, Wei-Jen Hou, Jinsong Huang, Gang Li and Yang Yang, “Control of the nanoscale crystallinity and phase separation in polymer solar cells”, Appl. Phys. Lett. 2008, 92 (10), 103306. [PDF]

38. Minkyu Hwang, Hoichang Yang, Sanghyun Park, Dae Ho Lee and Kilwon Cho, “The effects of solvent type and aging on structural development in poly(vinyl chloride) thermoreversible gels”, J. Polym. Sci. Part B Polym. Phys. 2008, 46 (3), 263-271. [PDF]

37. Amit Joshi, Supriya Punyani, Shyam Sundhar Bale, Hoichang Yang, Theodorian Borca-Tasciuc and Ravi S. Kane, “Nanotube-assisted protein deactivation”, Nat. Nanotech. 2008, 3, 41-45. [PDF]

36. Hoichang Yang, Lin Yang, Mang-Mang Ling, Sarah Lastella, Darshan D. Gandhi, Ganapathiraman Ramanath, Zhenan Bao and Chang Y. Ryu, “Aging Susceptibility of Terrace-Like Pentacene Films”, J. Phys. Chem. C 2008, 112 (42), 16161-16165. [PDF]

 

+ 2007

35. Se Hyun Kim, Hoichang Yang, Sang Yoon Yang, Kipyo Hong, Danbi Choi, Chanwoo Yang, Dae Sung Chung and Chan Eon Park, “Effect of water in ambient air on hysteresis in pentacene field-effect transistors containing gate dielectrics coated with polymers with different functional groups”, Org. Electon. 2007, 9 (5), 673-677. [PDF]

34. Tae Joo Shin, Hoichang Yang, Mang-mang Ling, Jason Locklin, Lin Yang, Byeongdu Lee, Mark E Roberts, Abhijit Basu Mallik and Zhenan Bao, “Tunable thin-film crystalline structures and field-effect mobility of oligofluorene-thiophene derivatives”, Chem. Mater. 2007, 19 (24), 5882-5889. [PDF]

33. Hoichang Yang, Scott W. LeFevre, Chang Y. Ryu and Zhenan Bao, “Solubility-driven thin film structures of regioregular poly(3-hexyl thiophene) using volatile solvents”, Appl. Phys. Lett. 2007, 90 (17), 172116. [PDF]

32. Hoichang Yang, Se Hyun Kim, Lin Yang, Sang Yoon Yang, Chan Eon Park, “Pentacene nanostructures on surface-hydrophobicity-controlled Polymer/SiO2 bilayer gate-dielectrics”, Adv. Mater. 2007, 19 (19), 2868-2872. [PDF]

31. Hoichang Yang, Praveen Bhimaraj, Lin Yang, Richard W. Siegel Linda S. Schadler, “Crystal growth in alumina/poly(ethylene terephthalate) nanocomposite films”, J. Polym. Sci. Part B Polym. Phys. 2007, 45 (7), 747-757. [PDF]

30. S. Sen, Y. Xie, A. Bansal, H. Yang, K. Cho, L.S. Schadler and S.K. Kumar, “Equivalence between polymer nanocomposites and thin polymer films: Effect of processing conditions and molecular origins of observed behavior”, Eur. Phys. J. Spe. Top. 2007, 141 (1), 161-165. [PDF]

29. Th. B. Singh, N. S. Sariciftci, H. Yang, L. Yang, B. Plochberger and H. Sitter, “Correlation of crystalline and structural properties of C60 thin films grown at various temperature with charge carrier mobility”, Appl. Phys. Lett. 2007, 90 (21), 213512. [PDF]

28. Hoichang Yang, Mang-Mang Ling and Lin Yang, “Temperature-dependent pentacene nanostructures on hydrophobic gate-dielectrics correlated with charge carrier mobilities”, J. Phys. Chem. C 2007,  111 (34), 12508-12511. [PDF]

27. Sudeepto Sen, Yuping Xie, Sanat K. Kumar, Hoichang Yang, Amitabh Bansal, Derek L. Ho, Lisa Hall, Justin B. Hooper and Kenneth S. Schweizer, “Chain conformations and bound-layer correlations in polymer nanocomposites”, Phys. Rev. Lett. 2007, 98 (14), 128302.

26. Sarah Lastella, Hoichang Yang, David Rider, Ian Manners, Pulickel M. Ajayan and Chang Y. Ryu, “Influences of organometallic polymer-derived catalyst dispersion on SWNT growth”, J. Polym. Sci. Part B Polym. Phys. 2007, 45 (7), 758-765. [PDF]

25. Praveen Bhimaraj, Hoichang Yang, Richard W. Siegel and Linda S. Schadler, “Crystal nucleation and growth in poly(ethylene terephthalate)/alumina-nanoparticle composites”, J. Appl. Polym. Sci. 2007, 106 (6), 4233-4240. [PDF]

24. Gang Li, Yan Yao, Hoichang Yang, Vishal Shrotriya, Guanwen Yang and Yang Yang, ““Solvent annealing” effect in polymer solar cells based on poly(3-hexylthiophene) and methanofullerenes”, Adv. Funct. Mater. 2007, 17 (10), 1636-1644. [PDF]

23. Th. Birendra Singh, H. Yang, B. Plochberger, L. Yang, H. Sitter, H. Neugebauer and N. S. Sariciftci, “Characterization of highly crystalline C-60 thin films and their field-effect mobility”, Phys. Stat. Sol. b 2007, 244 (11), 3845-3848. [PDF]

22. Hoichang Yang, Tae Joo Shin, Zhenan Bao, Chang Y. Ryu, “Structural transitions of nanocrystalline domains in regioregular poly(3-hexyl thiophene) thin films”, J. Polym. Sci. Part B Polym. Phys. 2007, 45 (11), 1303-1312. [PDF]

 

+ 2006

21. Sandeep S. Karajanagi, Hoichang Yang, Prashanth Asuri, Edward Sellitto, Jonathan S. Dordick and Ravi S. Kane, “Protein-assisted solubilization of single-walled carbon nanotubes”, Langmuir 2006, 22 (4), 1392-1395. [PDF]

20. Insun Park, Soojin Park, Hae-Woong Park, Taihyun Chang, Hoichang Yang and Chang Y. Ryu, “Unexpected hexagonally perforated layer morphology of PS-b-PMMA block copolymer in supported thin film”, Macromolecules 2006, 39 (1), 315-318. [PDF]

19. Won Kim, Junwon Han, Chang Y. Ryu and Hoichang Yang, “Chemical composition effects on the fracture of polystyrene-block-poly(methyl methacrylate) block copolymers”, J. Polym. Sci. Part B Polym. Phys., 2006, 44 (24), 3612-3620, [PDF]

18. Hoichang Yang, Unnyoung Sa, Minjeong Kang, Hyeon Soo Ryu, Chang Yeol Ryu and Kilwon Cho, “Near-surface morphology effect on tack behavior of poly(styrene-b-butadiene-b-styrene) triblock copolymer/rosin films”, Polymer 2006, 47 (11), 3889-3895.  [PDF]

17. Amitabh Bansal, Hoichang Yang, Chunzhao Li, Brian C. Benicewicz, Sanat K. Kumar and Linda S. Schadler, “Controlling the thermomechanical properties of polymer nanocomposites by tailoring the polymer-particle interface”, J. Polym. Sci. Part B Polym. Phys. 2006, 44 (20), 2944-2950. [PDF]

16. Sang Yoon Yang, Kwonwoo Shin, Se Hyun Kim, Hayoung Jeon, Jin Ho Kang, Hoichang Yang and Chan Eon Park, “Enhanced electrical percolation due to interconnection of three-dimensional pentacene islands in thin films on low surface energy polyimide gate dielectrics”, J. Phys. Chem. B, 2006, 110 (41), 20302-20307. [PDF]

15. Sang-Soo Lee, Myung Hyun Hur, Hoichang Yang, Soonho Lim and JunKyung Kim, “Effect of interfacial attraction on intercalation in polymer/clay nanocomposites”, J. Appl. Poly. Sci. 2006, 101 (5), 2749-2753. [PDF]

14. Prashanth Asuri, Sandeep S. Karajanagi, Hoichang Yang, Tae-Jin Yim, Ravi S. Kane, Jonathan S. Dordick, “Increasing protein stability through control of the nanoscale environment”, Langmuir 2006, 22 (13), 5833-5836. [PDF]

13. Saravanababu Murugesa, Tae-Joon Park, Hoichang Yang, Shaker Mousa, and Robert J. Linhardt, “Blood compatible carbon nanotubes – Nano-based neoproteoglycans”, Langmuir 2006, 22 (13), 3461-3463. [PDF]

 

+ 2005

12. Amitabh Bansal, Hoichang Yang, Chunzhao Li, Kilwon Cho, Brian C. Benicewicz, Sanat K. Kumar and Linda S. Schadler, “Quantitative equivalence between polymer nanocomposites and thin polymer films”, Nat. Mater., 2005, 4, 693-698.  [PDF]

11. Hoichang Yang, Tae Joo Shin, Mang-Mang Ling, Kilwon Cho, Chang Y. Ryu, and Zhenan Bao, “Conducting AFM and 2D GIXD studies on pentacene thin films”, J. Am. Chem. Soc. 2005, 127 (33), 11542-11543. [PDF]

10. Young-Soon Kim, Dae-lok Bae, Hoichang Yang, Hyung-skik Shin, G.-W. Wang, J. J. Senkevich, and T. –M. Lu, “Direct copper electroless deposition on a tungsten barrier layer for ultralarge scale integration” J. Electrochem. Soc. 2005, 152 (2), C89-C95. [PDF]

9. Hoichang Yang, Tae Joo Shin, Lin Yang, Kilwon Cho, Chang Y. Ryu, and Zhenan Bao, “Effect of mesoscale crystalline structure on the field-effect mobility of regioregular poly(3-hexyl thiophene) in thin-film transistors”, Adv. Funct. Mater. 2005, 15 (4), 671-676. [PDF]

8. Do Hwan Kim, Yeong Don Park, Yunseok Jang, Hoichang Yang, Yong Hoon Kim, Jeong In Han, Dae Gyu Moon, Soojin Park, Taihyun Chang, Changhwan Chang, Mankil Joo, Chang Y. Ryu, and Kilwon Cho, “Enhancement of field-effect mobility due to surface-mediated molecular ordering in regioregular polythiophene thin film transistors”, Adv. Funct. Mater. 2005, 15 (1), 77-82. [PDF]

 

+ 2004 이전

7. Sarah Lastella, Yung Joon Jung, Hoichang Yang, Robert Vajtai, Pulickel M. Ajayan, Chang Y. Ryu, David A. Riderb and Ian Manners, “Density control of single-walled carbon nanotubes using patterned iron nanoparticle catalysts derived from phase-separated thin films of a polyferrocene block copolymer”, J. Mater. Chem. 2004, 14, 1791-1794. [PDF]

6. Quan Chen, Craig Saltiel, Siva Manichavasagam, Linda S. Schadler, Richard W. Siegel, and Hoichang Yang, “Aggregation behavior of single-walled carbon nanotubes in dilute aqueous suspension”, J. Colloid. Interface. Sci. 2004, 280 (1), 91-97. [PDF]

5. Jinhyuk Chung, Hoichang Yang, Mitchel D. de Beus, Chang Y. Ryu, Kilwon Cho, and Wilfredo Colon, “Cu/Zn superoxide dismutase can form pore-like structures”, Biochem. Biophys. Res. Commun. 2003, 312 (4), 873-876.  [PDF]

4. Gunaranjan Viswanathan, Nirupama Chakrapani, Hoichang Yang, Bingqing Wei, Hyunsoo Chung, Kilwon Cho, Chang Y. Ryu, and Pulickel M. Ajayan, “Single-step in situ synthesis of polymer-grafted single-wall nanotube composites”, J. Am. Chem. Soc. 2003, 125 (31), 9258-9259. [PDF]

3. Unyong Jeong, Hee Hyun Lee, Hoichang Yang, and Jin Kon Kim, “Kinetics and Mechanism of Morphological Transition from Lamella to Cylinder Microdomain in Polystyrene-block-poly(ethylene-co-but-1-ene)-block-polystyrene Triblock Copolymer”, Macromolecules 2003, 36 (5), 1685-1693.  [PDF]

2. Kilwon Cho, D. Nabi Saheb, Hoichang Yang, Byoung-I Kang, Joonkyung Kim, and SangSoo Lee, “Memory effect of locally ordered alpha-phase in the melting and phase transformation behavior of beta-isotactic polypropylene”, Polymer 2003, 44 (14), 4053-4059. [PDF]

1. Kilwon Cho, D. Nabi Saheb, Jinyoung Choi, and Hoichang Yang, “Real time in situ X-ray diffraction studies on the melting memory effect in the crystallization of beta-isotactic polypropylene”, Polymer 2002, 43 (4), 1407-1416. [PDF]