S
Seo-Jin Ko
Researcher at University of California, Santa Barbara
Publications - 80
Citations - 4654
Seo-Jin Ko is an academic researcher from University of California, Santa Barbara. The author has contributed to research in topics: Polymer solar cell & Organic solar cell. The author has an hindex of 28, co-authored 69 publications receiving 3617 citations. Previous affiliations of Seo-Jin Ko include Ulsan National Institute of Science and Technology & University of California.
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Journal ArticleDOI
Semi-crystalline photovoltaic polymers with efficiency exceeding 9% in a ∼300 nm thick conventional single-cell device
Thanh Luan Nguyen,Hyosung Choi,Seo-Jin Ko,Mohammad Afsar Uddin,Bright Walker,Seungjib Yum,Ji Eun Jeong,Myoung Hee Yun,Tae Joo Shin,Seongyeon Hwang,Jin Young Kim,Han Young Woo +11 more
TL;DR: In this paper, a series of semi-crystalline, low band gap (LBG) polymers and demonstrate the fabrication of highly efficient polymer solar cells (PSCs) in a thick single-cell architecture.
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Versatile surface plasmon resonance of carbon-dot-supported silver nanoparticles in polymer optoelectronic devices
Hyosung Choi,Seo-Jin Ko,Yuri Choi,Piljae Joo,Taehyo Kim,Bo Ram Lee,Jae Woo Jung,Heejoo Choi,Myoungsik Cha,Jong-Ryul Jeong,In Wook Hwang,Myoung Hoon Song,Byeong Su Kim,Jin Young Kim +13 more
TL;DR: In this article, the surface plasmon resonance effect of carbon-dot-supported silver nanoparticles (CD-Ag nanoparticles) was used as reducing agent and template to fabricate solution-processable polymer light-emitting diodes and polymer solar cells.
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Small‐Bandgap Polymer Solar Cells with Unprecedented Short‐Circuit Current Density and High Fill Factor
Hyosung Choi,Seo-Jin Ko,Taehyo Kim,Pierre Morin,Bright Walker,Byoung Hoon Lee,Mario Leclerc,Jin Young Kim,Alan J. Heeger +8 more
TL;DR: Small-bandgap polymer solar cells with a thick bulk heterojunction film of 340 nm exhibit high power conversion efficiencies due to maximized light absorption by the thick active layer and minimized recombination by the optimized lateral and vertical morphology through the processing additive.
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Multipositional Silica-Coated Silver Nanoparticles for High-Performance Polymer Solar Cells
Hyosung Choi,Jung-Pil Lee,Seo-Jin Ko,Jae-Woo Jung,Hyungmin Park,Seungmin Yoo,Okji Park,Jong-Ryul Jeong,Soojin Park,Jin Young Kim +9 more
TL;DR: The device incorporating nanoparticles between the hole transport layer and the active layer achieves a power conversion efficiency of 8.92% with an external quantum efficiency of 81.5%.
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Capillary Printing of Highly Aligned Silver Nanowire Transparent Electrodes for High-Performance Optoelectronic Devices.
Saewon Kang,Taehyo Kim,Seungse Cho,Youngoh Lee,Ayoung Choe,Bright Walker,Seo-Jin Ko,Jin Young Kim,Hyunhyub Ko +8 more
TL;DR: A capillary printing technique is introduced to precisely control the NW alignment and the percolation behavior of AgNW networks, which leads to the substantial improvement of optical transmittance and power conversion efficiency.