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Journal Articles

Efficient solution-processed small-molecule solar cells with titanium suboxide as an electric adhesive layer

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Byoung Hoon Lee, Jessica Coughlin, Geunjin Kim, Guillermo C. Bazan, Kwanghee Lee
Journal: Applied Physics Letters
Appl. Phys. Lett. 104, 213305 (2014)
https://doi.org/10.1063/1.4880095
Published: May 2014
View articletitled, Efficient solution-processed small-molecule solar cells with titanium suboxide as an electric adhesive layer
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Journal Articles

Characteristics of light-induced electron transport from P3HT to ZnO-nanowire field-effect transistors

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Minhyeok Choe, Byoung Hoon Lee, Woojin Park, Jang-Won Kang, Sehee Jeong, Kyungjune Cho, Woong-Ki Hong, Byoung Hun Lee, Kwanghee Lee, Seong-Ju Park, Takhee Lee
Journal: Applied Physics Letters
Appl. Phys. Lett. 103, 223305 (2013)
https://doi.org/10.1063/1.4833544
Published: November 2013
View articletitled, Characteristics of light-induced electron transport from P3HT to ZnO-nanowire field-effect transistors
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Includes: Supplementary data
Journal Articles

Optical endpoint detection for plasma reduction of graphene oxide

Open Access
MaengJun Kim, Yung Ho Kahng, Yong Jae Kim, T. Prem kumar, KwangMook Park, Kwanghee Lee, Jae-Hyung Jang
Journal: AIP Advances
AIP Advances 3, 032121 (2013)
https://doi.org/10.1063/1.4795240
Published: March 2013
View articletitled, Optical endpoint detection for plasma reduction of graphene oxide
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Journal Articles

Fast and low-temperature reduction of graphene oxide films using ammonia plasma

Open Access
Maeng Jun Kim, Yonkil Jeong, SangHo Sohn, Sung Yeup Lee, Yong Jae Kim, Kwanghee Lee, Yung Ho Kahng, Jae-Hyung Jang
Journal: AIP Advances
AIP Advances 3, 012117 (2013)
https://doi.org/10.1063/1.4789545
Published: January 2013
View articletitled, Fast and low-temperature reduction of graphene oxide films using ammonia plasma
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Journal Articles

Homogeneous bulk heterojunction networks via surface energy matching at polymer/fullerene interfaces

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Byoung Hoon Lee, Jooyoung Shim, Geunjin Kim, Heejoo Kim, Suhee Song, Hongsuk Suh, Kwanghee Lee
Journal: Applied Physics Letters
Appl. Phys. Lett. 101, 083304 (2012)
https://doi.org/10.1063/1.4747331
Published: August 2012
View articletitled, Homogeneous bulk heterojunction networks via surface energy matching at polymer/fullerene interfaces
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Journal Articles

Light-soaking issue in polymer solar cells: Photoinduced energy level alignment at the sol-gel processed metal oxide and indium tin oxide interface

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Junghwan Kim, Geunjin Kim, Youna Choi, Jongjin Lee, Sung Heum Park, Kwanghee Lee
Journal: Journal of Applied Physics
J. Appl. Phys. 111, 114511 (2012)
https://doi.org/10.1063/1.4728173
Published: June 2012
View articletitled, Light-soaking issue in polymer solar cells: Photoinduced energy level alignment at the sol-gel processed metal oxide and indium tin oxide interface
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Includes: Supplementary data
Journal Articles

Biased internal potential distributions in a bulk-heterojunction organic solar cell incorporated with a TiOx interlayer

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Jaemin Kong, Jongjin Lee, Yonkil Jeong, Maengjun Kim, Sung-Oong Kang, Kwanghee Lee
Journal: Applied Physics Letters
Appl. Phys. Lett. 100, 213305 (2012)
https://doi.org/10.1063/1.4722802
Published: May 2012
View articletitled, Biased internal potential distributions in a bulk-heterojunction organic solar cell incorporated with a TiOx interlayer
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Journal Articles

Highly transparent polymer light-emitting diode using modified aluminum-doped zinc oxide top electrode

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Sung Heum Park, Byoung Hoon Lee, Jong Moon Shin, Se-Young Jeong, Suhee Song, Hongsuk Suh, Kwanghee Lee
Journal: Applied Physics Letters
Appl. Phys. Lett. 100, 133306 (2012)
https://doi.org/10.1063/1.3698340
Published: March 2012
View articletitled, Highly transparent polymer light-emitting diode using modified aluminum-doped zinc oxide top electrode
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Journal Articles

Large‐Area, Transparent And Conductive Graphene Electrode For Bulk‐Heterojunction Photovoltaic Devices

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Minhyeok Choe, Byoung Hoon Lee, Gunho Jo, June Park, Woojin Park, Sangchul Lee, Woong‐Ki Hong, Maeng‐Je Seong, Yung Ho Kahng, Kwanghee Lee, Takhee Lee
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1399, 791–792 (2011)
https://doi.org/10.1063/1.3666614
Published: December 2011
View articletitled, Large‐Area, Transparent And Conductive Graphene Electrode For Bulk‐Heterojunction Photovoltaic Devices
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Journal Articles

Direct observation of internal potential distributions in a bulk heterojunction solar cell

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Jongjin Lee, Jaemin Kong, Heejoo Kim, Sung-Oong Kang, Kwanghee Lee
Journal: Applied Physics Letters
Appl. Phys. Lett. 99, 243301 (2011)
https://doi.org/10.1063/1.3669533
Published: December 2011
View articletitled, Direct observation of internal potential distributions in a bulk heterojunction solar cell
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Journal Articles

Flexible resistive random access memory using solution-processed TiOx with Al top electrode on Ag layer-inserted indium-zinc-tin-oxide-coated polyethersulfone substrate

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Seungjae Jung, Jaemin Kong, Sunghoon Song, Kwanghee Lee, Takhee Lee, Hyunsang Hwang, Sanghun Jeon
Journal: Applied Physics Letters
Appl. Phys. Lett. 99, 142110 (2011)
https://doi.org/10.1063/1.3621826
Published: October 2011
View articletitled, Flexible resistive random access memory using solution-processed TiOx with Al top electrode on Ag layer-inserted indium-zinc-tin-oxide-coated polyethersulfone substrate
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Journal Articles

Increased open-circuit voltage in bulk-heterojunction solar cells using a C 60 derivative

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Heejoo Kim, Jung Hwa Seo, Eun Young Park, Tae-Dong Kim, Kwanghee Lee, Kwang-Sup Lee, Shinuk Cho, Alan J. Heeger
Journal: Applied Physics Letters
Appl. Phys. Lett. 97, 193309 (2010)
https://doi.org/10.1063/1.3518066
Published: November 2010
View articletitled, Increased open-circuit voltage in bulk-heterojunction solar cells using a C 60 derivative
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Journal Articles

Titanium suboxide as an optical spacer in polymer solar cells

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Anshuman Roy, Sung Heum Park, Sarah Cowan, Ming Hong Tong, Shinuk Cho, Kwanghee Lee, Alan J. Heeger
Journal: Applied Physics Letters
Appl. Phys. Lett. 95, 013302 (2009)
https://doi.org/10.1063/1.3159622
Published: July 2009
View articletitled, Titanium suboxide as an optical spacer in polymer solar cells
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Journal Articles

Improved performance of polymer light-emitting diodes with nanocomposites

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A. Mohammed Hussain, B. Neppolian, Sun Hee Kim, Jin Young Kim, Hee-Chul Choi, Kwanghee Lee, Seong-Ju Park, Alan J. Heeger
Journal: Applied Physics Letters
Appl. Phys. Lett. 94, 073306 (2009)
https://doi.org/10.1063/1.3086275
Published: February 2009
View articletitled, Improved performance of polymer light-emitting diodes with nanocomposites
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Journal Articles

Effect of substituted side chain on donor-acceptor conjugated copolymers

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Shinuk Cho, Jung Hwa Seo, Sun Hee Kim, Suhee Song, Youngeup Jin, Kwanghee Lee, Hongsuk Suh, Alan J. Heeger
Journal: Applied Physics Letters
Appl. Phys. Lett. 93, 263301 (2008)
https://doi.org/10.1063/1.3059554
Published: December 2008
View articletitled, Effect of substituted side chain on donor-acceptor conjugated copolymers
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Journal Articles

Improved electron injection in polymer light-emitting diodes using anionic conjugated polyelectrolyte

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Youngeup Jin, Guillermo C. Bazan, Alan J. Heeger, Jin Young Kim, Kwanghee Lee
Journal: Applied Physics Letters
Appl. Phys. Lett. 93, 123304 (2008)
https://doi.org/10.1063/1.2989133
Published: September 2008
View articletitled, Improved electron injection in polymer light-emitting diodes using anionic conjugated polyelectrolyte
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Journal Articles

Carrier generation and transport in bulk heterojunction films processed with 1,8-octanedithiol as a processing additive

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In-Wook Hwang, Shinuk Cho, Jin Young Kim, Kwanghee Lee, Nelson E. Coates, Daniel Moses, Alan J. Heeger
Journal: Journal of Applied Physics
J. Appl. Phys. 104, 033706 (2008)
https://doi.org/10.1063/1.2951957
Published: August 2008
View articletitled, Carrier generation and transport in bulk heterojunction films processed with 1,8-octanedithiol as a processing additive
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Includes: Supplementary data
Journal Articles

Efficacy of Ti O x optical spacer in bulk-heterojunction solar cells processed with 1,8-octanedithiol

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Jae Kwan Lee, Nelson E. Coates, Shinuk Cho, Nam Sung Cho, Daniel Moses, Guillermo C. Bazan, Kwanghee Lee, Alan J. Heeger
Journal: Applied Physics Letters
Appl. Phys. Lett. 92, 243308 (2008)
https://doi.org/10.1063/1.2937844
Published: June 2008
View articletitled, Efficacy of Ti O x optical spacer in bulk-heterojunction solar cells processed with 1,8-octanedithiol
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Journal Articles

Multilayer bipolar field-effect transistors

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Shinuk Cho, Jonathan Yuen, Jin Young Kim, Kwanghee Lee, Alan J. Heeger, Sangyun Lee
Journal: Applied Physics Letters
Appl. Phys. Lett. 92, 063505 (2008)
https://doi.org/10.1063/1.2816913
Published: February 2008
View articletitled, Multilayer bipolar field-effect transistors
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Journal Articles

Photovoltaic effects on the organic ambipolar field-effect transistors

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Shinuk Cho, Jonathan Yuen, Jin Young Kim, Kwanghee Lee, Alan J. Heeger
Journal: Applied Physics Letters
Appl. Phys. Lett. 90, 063511 (2007)
https://doi.org/10.1063/1.2457801
Published: February 2007
View articletitled, Photovoltaic effects on the organic ambipolar field-effect transistors
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