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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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Indoloindole-based small molecule bulk heterojunction small molecule solar cells

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Title
Indoloindole-based small molecule bulk heterojunction small molecule solar cells
Author
Sung, Min JaeAn, Na GyeongWang, CanjieKim, Yun-HiKim, Jin YoungKwon, Soon-Ki
Issue Date
2019-02
Publisher
ELSEVIER SCI LTD
Citation
DYES AND PIGMENTS, v.161, pp.419 - 426
Abstract
An acceptor-donor-acceptor (A-D-A) conjugated small molecule, DHII-EH-TR, was designed, synthesized, and its solar cell performance studied. The DHII-EH-TR molecule with its extended fused aromatic core had a narrow bandgap and displayed red-shifted absorption. To investigate its photovoltaic properties and device application, small molecule-based organic photovoltaics (SMOPVs) were fabricated having the conventional structure of ITO/PEDOT:PSS/DHII-EH-TR:PC70BM/ZnO NPs/Al (PEDOT:PSS, poly (3,4-ethylenedioxythiophene):polystyrene sulfonic acid; ZnO NPs, ZnO nanoparticles). Solar cells made with a blend of 1,8diiodooctane with ZnO NPs generated the highest performance with a power conversion efficiency (PCE) of 3.60%. Charge dynamics and transport, microscopic thin film analysis, and morphology were studied to explain the performance of SMOPVs made with DHII-EH-TR.
URI
https://scholarworks.unist.ac.kr/handle/201301/25267
URL
https://www.sciencedirect.com/science/article/pii/S0143720818309641?via%3Dihub
DOI
10.1016/j.dyepig.2018.06.038
ISSN
0143-7208
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