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906824

Sigma-Aldrich

BT-CIC

≥98%

Synonym(s):

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

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About This Item

Empirical Formula (Hill Notation):
C110H110Cl4N4O4S4
CAS Number:
2197167-51-2
Molecular Weight:
1822.15
UNSPSC Code:
12352101
NACRES:
NA.23

description

Band gap: 1.4 eV
Solubility:CB and ODCB

assay

≥98%

form

solid

solubility

chloroform: soluble

orbital energy

HOMO -5.5 eV 
LUMO -4.1 eV 

Application

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

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Benzo[1,2-b:4,5-b′]dithiophene-4,8-dione 97%

Sigma-Aldrich

760137

Benzo[1,2-b:4,5-b′]dithiophene-4,8-dione

High Efficiency Near-Infrared and Semitransparent Non-Fullerene Acceptor Organic Photovoltaic Cells.
Yongxi L, et al.
Journal of the American Chemical Society, 139(47), 17114-17119 (2017)
High fabrication yield organic tandem photovoltaics combining vacuum- and solution-processed subcells with 15% efficiency.
Xiaozhou C, et al.
Nature Energy, 3(5), 422-427 (2018)

Articles

Progress for High Performance Tandem Organic Solar Cells

Professor Chen (Nankai University, China) and his team explain the strategies behind their recent record-breaking organic solar cells, reaching a power conversion efficiency of 17.3%.

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