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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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A new small molecule acceptor based on indaceno[2,1-b:6,5-b’]dithiophene and thiophene-fused ending group for fullerene-free organic solar cells

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Title
A new small molecule acceptor based on indaceno[2,1-b:6,5-b’]dithiophene and thiophene-fused ending group for fullerene-free organic solar cells
Author
Xie, DongjunLiu, TaoLee, Tack HoGao, WeiZhong, ChengHuo, LijunLuo, ZhenghuiWu, KailongXiong, WentaoKim, Jin YoungChoi, HyosungSun, YanmingYang, Chuluo
Keywords
Non-fullerene acceptors;  Small molecule acceptor;  End-capping group
Issue Date
201801
Publisher
ELSEVIER SCI LTD
Citation
DYES AND PIGMENTS, v.148, no., pp.263 - 269
Abstract
A new small molecule acceptor of IDTCN with indaceno[2,1-b:6,5-b’]dithiophene as electron-donating core and CPTCN (2-(6-oxo-5,6-dihydro-4H-cyclopenta[c]thiophen-4-lidene)malononitrile) as electron-withdrawing end-capping group was synthesized and investigated in organic solar cells. The IDTCN shows strong and broad absorption with a high extinction coefficient and appropriate energy levels matching with wide bandgap donor polymer. The best device based on PBT1-EH:IDTCN exhibits an open circuit voltage (Voc) of 0.93 V, a short circuit current (Jsc) of 13.31 mA/cm2, a FF of 0.702, achieving a PCE of 8.69%.
URI
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DOI
http://dx.doi.org/10.1016/j.dyepig.2017.09.009
ISSN
0143-7208
Appears in Collections:
ECHE_Journal Papers
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