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Chang Su Kim

Researcher at Yonsei University

Publications -  125
Citations -  3545

Chang Su Kim is an academic researcher from Yonsei University. The author has contributed to research in topics: Organic solar cell & OLED. The author has an hindex of 25, co-authored 120 publications receiving 2975 citations.

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Charge-transfer-based gas sensing using atomic-layer MoS2.

TL;DR: A high-performance gas sensor constructed using atomic-layered MoS2 synthesised by chemical vapour deposition (CVD) was developed and the in situ PL characterisation of the changes in the peaks corresponding to charged trions and neutral excitons via gas adsorption processes was used to elucidate the mechanisms of charge transfer between theMoS2 and the gas molecules.
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Highly Efficient and Bendable Organic Solar Cells with Solution-Processed Silver Nanowire Electrodes

TL;DR: In this paper, a bendable organic solar cell was fabricated using solution-processed silver nanowire (Ag NW) electrodes, achieving power conversion efficiencies of 5.80 and 5.02% at a bending radius of 200 mm.
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Ultrasmooth, extremely deformable and shape recoverable Ag nanowire embedded transparent electrode

TL;DR: The fabrication of a flexible transparent electrode with superior mechanical, electrical and optical properties is demonstrated by embedding a AgNW film into a transparent polymer matrix and can produce electrodes with an ultrasmooth and extremely deformable transparent electrode that have sheet resistance and transmittance comparable to those of an ITO electrode.
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Graphene-based gas sensor: metal decoration effect and application to a flexible device

TL;DR: In this paper, the role of metal nanoparticles (NPs) on graphene-based devices was investigated in terms of gas-sensing characteristics of NO2 and NH3, and flexible gas sensing was also realized for future applications.
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Highly Efficient Organic Hole Transporting Materials for Perovskite and Organic Solar Cells with Long‐Term Stability

TL;DR: The CzPAF-SBF-based devices show remarkable device performance with excellent long-term stability in PSCs and BHJ IOSCs with a maximum PCE of 17.21% and 7.93%, respectively.