BT-CIC – Sigma-Aldrich

Synonyms
4,4,10,10-tetrakis(4-hexylphenyl)-5,11-(2-ethylhexyloxy)-4,10-dihydrodithienyl[1,2-b:4,5b′ ]benzodithiophene-2,8-diyl)bis(2-(3-oxo-2,3-dihydroinden-5,6-dichloro-1-ylidene)malononitrile), NFA147, PCE147

CAS No
2197167-51-2

General Description
BT-CIC is a highly efficient, ultra-narrow bandgap, NIR absorbing, non-fullerene acceptor, designed to use in high performance organic photovoltaic devices.
A recently reported tandem cell, employing BT-CIC as the non-fullerene acceptor and PCE-10 as donor for the back cell showed an PCE of 15%.

Device performance:
Tandem [Front] (170 nm DTDCPB:C70 + ARC) [Back]PCE-10:BTCIC (1:1.5, 75 nm)
Jsc=13.3 ± 0.3 mA/cm2
Voc=1.59 ± 0.01 V
FF=0.71± 0.01
PCE=15.0% ± 0.3%
ARC: an antireflection coating