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913774

Sigma-Aldrich

IEICO-4Cl

≥99%

Synonym(s):

2,2′-((2Z,2′Z)-(((4,4,9-tris(4-hexylphenyl)-9-(4-pentylphenyl)-4,9-dihydro-s-indaceno[1,2-b:5,6-b dithiophene-2,7-diyl)bis(4-((2-ethylhexyl)oxy)thiophene 5,2-diyl))bis(methanylylidene))bis(5,6-dichloro-3-oxo-2,3-dihydro-1H-indene-2,1-diylidene))dimalononitrile

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About This Item

Empirical Formula (Hill Notation):
C114H114Cl4N4O4S4
CAS Number:
2240998-88-1
Molecular Weight:
1874.22
UNSPSC Code:
12352101
NACRES:
NA.23

description

Band gap: Eg=1.27 eV

Quality Level

100

Assay

≥99%

form

solid

color

dark

Orbital energy

HOMO -5.56 eV 
LUMO -4.23 eV 

Related Categories

Application

IEICO-4Cl is a transparent, low-bandgap non-fullerene acceptor. It is a chlorinated derivative of IEICO, which imparts it with a lower optical bandgap and lower energy levels. The weak photon absorption in the visible spectrum of IEICO-4Cl, allows high-performance organic solar cells to be fabricated with outstanding transparency. Furthermore, changing the polymer acceptor pairing with IEICO-4Cl allows tuning of the color of the solar cell device fabricated.

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

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Yong Cui et al.
Advanced materials (Deerfield Beach, Fla.), 29(43) (2017-10-05)
Semitransparent organic solar cells (OSCs) show attractive potential in power-generating windows. However, the development of semitransparent OSCs is lagging behind opaque OSCs. Here, an ultralow-bandgap nonfullerene acceptor, "IEICO-4Cl", is designed and synthesized, whose absorption spectrum is mainly located in the

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