914029

Sigma-Aldrich

IEICO-4F

≥99%

Synonym(s):
2,2′-((2Z,2′Z)-(((4,4,9,9-tetrakis(4-hexylphenyl)-4,9-dihydro-sindaceno[1,2-b:5,6-b′]dithiophene-2,7-diyl)bis(4-((2-ethylhexyl)oxy)thiophene-5,2-diyl))bis(methanylylidene))bis(5,6-difluoro-3-oxo-2,3-dihydro-1H-indene-2,1-diylidene))dimalononitrile
Empirical Formula (Hill Notation):
C114H114F4N4O4S4
CAS Number:
Molecular Weight:
1808.40

description

Band gap: Eg=1.29 eV

Quality Level

assay

≥99%

form

solid

color

dark

Orbital energy

HOMO -5.49 eV 
LUMO -4.19 eV 

Inchi Code

1S/C114H114F4N4O4S4/c1-9-17-23-27-33-73-37-45-79(46-38-73)113(80-47-39-74(40-48-80)34-28-24-18-10-2)93-57-90-94(58-89(93)109-95(113)63-103(129-109)111-101(125-69-71(15-7)31-21-13-5)55-83(127-111)53-91-105(77(65-119)66-120)85-59-97(115)99(117)61-87(85)107(91)123)114(81-49-41-75(42-50-81)35-29-25-19-11-3,82-51-43-76(44-52-82)36-30-26-20-12-4)96-64-104(130-110(90)96)112-102(126-70-72(16-8)32-22-14-6)56-84(128-112)54-92-106(78(67-121)68-122)86-60-98(116)100(118)62-88(86)108(92)124/h37-64,71-72H,9-36,69-70H2,1-8H3/b91-53-,92-54+

InChI key

ZDIRJORRKGPNQG-ZTVJXLAYSA-N

Related Categories

Application

IEICO-4F is an ultra-narrow bandgap non-fullerene acceptor (NFA). It is a derivative of IEICO with an absorption edge reaching 1000 nm. PCEs of over 10% in single layer devices were reached. A ternary blend of J52:PBDTTT-EFT donor polymers with IEICO-4F reached a PCE of >11%, with a very high photocurrent of over 25 mA cm-2.

WGK Germany

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Certificate of Origin

Huifeng Yao et al.
Angewandte Chemie (International ed. in English), 56(11), 3045-3049 (2017-02-02)
The design of narrow band gap (NBG) donors or acceptors and their application in organic solar cells (OSCs) are of great importance in the conversion of solar photons to electrons. Limited by the inevitable energy loss from the optical band...

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