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Kim, Jin Young
Next Generation Energy Laboratory
Research Interests
  • Polymer solar cells, QD solar cells, organic-inorganic hybrid solar cells, perovskite solar cells, OLEDs, PeLEDs, organic FETs

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Morphological and Optical Engineering for High-Performance Polymer Solar Cells

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Title
Morphological and Optical Engineering for High-Performance Polymer Solar Cells
Author
Ko, Seo-JinHeo, JungwooLee, Byoung HoonHa, Su RyongBandyopadhyay, SujoyCho, Hong JooChoi, HyosungKim, Jin Young
Issue Date
2019-02
Publisher
AMER CHEMICAL SOC
Citation
ACS APPLIED MATERIALS & INTERFACES, v.11, no.5, pp.4705 - 4711
Abstract
We demonstrate morphological and optical engineering by using processing additives and optical spacers for polymer solar cells. Among various processing additives, introduction of diphenyl ether (DPE) into the active layer results in the smoothest surface roughness with uniform and well-distributed donor/acceptor domains, and the device with DPE shows the highest device efficiency of 10.22% due to enhanced charge collection efficiency and minimized recombination loss. Additional ZnO optical spacers on the active layer controls the distribution of the electric field in the whole device and enhances the light absorption within the active layer, thereby improving device efficiency up to 10.81%.
URI
https://scholarworks.unist.ac.kr/handle/201301/27410
URL
https://pubs.acs.org/doi/10.1021/acsami.8b16490
DOI
10.1021/acsami.8b16490
ISSN
1944-8244
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