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913006

Sigma-Aldrich

IEICO

≥99%

Synonyme(s) :

2,2′-((2Z,2′Z)-((5,5′-bis(4,4,9,9-tetrakis(4-hexylphenyl)-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-(3-oxo-2,3-dihydro-1H-indene-2,1-diylidene))dimalononitrile, 2,2′-[[4,4,9,9-tetrakis(4-hexylphenyl)-4,9-dihydro-s-indaceno[1,2-b:5,6-b′]dithiophene-2,7-diyl]bis[[4-[(2-ethylhexyl)oxy]-5,2-thiophenediyl]-(Z)-methylidyne(3-oxo-1H-indene-2,1(3H)-diylidene)]]bis-propanedinitrile

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About This Item

Formule empirique (notation de Hill):
C114H118N4O4S4
Numéro CAS:
2055812-53-6
Poids moléculaire :
1736.44
Code UNSPSC :
12352101
Nomenclature NACRES :
NA.23

Description

Band gap: Eg=1.34 eV

Niveau de qualité

100

Pureté

≥99%

Forme

solid

Couleur

dark

Énergie orbitale

HOMO -5.32 eV 
LUMO -3.95 eV 

Catégories apparentées

Application

IEICO is a high-performance narrow-bandgap non-fullerene acceptor (NFA) with a complementary absorption spectrum to many of the best medium to high bandgap OPV devices. This feature was used to create high-efficiency multi-layer tandem solar cells, reaching a PCE of nearly 14%. Over 11% PCE can be reached in single junction cells.

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

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Runnan Yu et al.
Advanced materials (Deerfield Beach, Fla.), 29(26) (2017-05-04)
High-performance ternary organic solar cells are fabricated by using a wide-bandgap polymer donor (bithienyl-benzodithiophene-alt-fluorobenzotriazole copolymer, J52) and two well-miscible nonfullerene acceptors, methyl-modified nonfullerene acceptor (IT-M) and 2,2'-((2Z,2'Z)-((5,5'-(4,4,9,9-tetrakis(4-hexylphenyl)-4,9-dihydros-indaceno[1,2-b:5,6-b']dithiophene-2,7-diyl)bis(4-((2-ethylhexyl)oxy)thiophene-5,2-diyl))bis(methanylylidene))bis(3-oxo-2,3-dihydro-1H-indene-2,1-diylidene))dimalononitrile (IEICO). The two acceptors with complementary absorption spectra and similar lowest unoccupied molecular
Huifeng Yao et al.
Advanced materials (Deerfield Beach, Fla.), 28(37), 8283-8287 (2016-07-06)
A novel non-fullerene acceptor, possessing a very low bandgap of 1.34 eV and a high-lying lowest unoccupied molecular orbital level of -3.95 eV, is designed and synthesized by introducing electron-donating alkoxy groups to the backbone of a conjugated small molecule.
Yong Cui et al.
Journal of the American Chemical Society, 139(21), 7302-7309 (2017-05-13)
Fabricating organic solar cells (OSCs) with a tandem structure has been considered an effective method to overcome the limited light absorption spectra of organic photovoltaic materials. Currently, the most efficient tandem OSCs are fabricated by adopting fullerene derivatives as acceptors.
Yunpeng Qin et al.
Advanced materials (Deerfield Beach, Fla.), 29(24) (2017-05-04)
Tandem organic solar cells (TOSCs), which integrate multiple organic photovoltaic layers with complementary absorption in series, have been proved to be a strong contender in organic photovoltaic depending on their advantages in harvesting a greater part of the solar spectrum

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