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906972

Sigma-Aldrich

F-M

≥98%

Synonyme(s) :

4,4,7,7,12,12-octyl-7,12-dihydro- bis[methylidyne(3-oxo-methyl-1H indene-2,1(3H)-diylidene)]]bis-4H-thieno[2″,3″:1′,2′]indeno[5′,6′:5,6]-s-indaceno[1,2-b]thiophene, FTIC-C8C8M

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About This Item

Formule empirique (notation de Hill):
C99H122N4O2S2
Numéro CAS:
2239303-91-2
Poids moléculaire :
1464.18
Code UNSPSC :
12352101
Nomenclature NACRES :
NA.23

Description

Band gap: 1.72 eV
Band gap: Eg = 1.72 eV
Solubility: Soluble in Chloroform, CB and ODCB

Pureté

≥98%

Forme

solid

Énergie orbitale

HOMO -5.42 eV 
LUMO -3.70 eV 

Description générale

Non-fullerene acceptors (NFAs) are currently a major focus of research in the development of bulk-heterojunction organic solar cells (OSCs). In contrast to the widely used fullerene acceptors (FAs), the optical properties and electronic energy levels of NFAs can be designed and readily tuned. NFA-based OSCs can also achieve greater thermal stability and photochemical stability, as well as longer device lifetimes, than their FA-based counterparts.Recent developments have led to a rapid increase in power conversion efficiencies for NFA OSCs, with values now exceeding 15% in a single junction cell, and >17% for a tandem cell, demonstrating the viability of using NFAs to replace FAs in next-generation high-performance OSCs.

Application

F-M is a non-fullerene acceptor that absorbs visible light, when used in a front cell paired with NIR absorbing rear cell, the resulted tandem organic solar cell gave a record energy conversion efficiency of 17.3%.

Tandem Cell Device performance:
ITO/ZnO/PFN-Br/PBDB-T:F-M/M-PEDOT/ZnO/PTB7- Th:O6T-4F:PC71BM/MoO3/Ag
Voc=1.642 V
Jsc=14.35 mA/cm2
FF=73.7%
PCE=17.3%

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

Certificats d'analyse (COA)

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900774

Di-PDI

PFN-Br

Sigma-Aldrich

906980

PFN-Br

[6,6]-Phenyl C71 butyric acid methyl ester 99%

Sigma-Aldrich

684465

[6,6]-Phenyl C71 butyric acid methyl ester

Lingxian Meng et al.
Science (New York, N.Y.), 361(6407), 1094-1098 (2018-08-11)
Although organic photovoltaic (OPV) cells have many advantages, their performance still lags far behind that of other photovoltaic platforms. A fundamental reason for their low performance is the low charge mobility of organic materials, leading to a limit on the

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%.

Notre équipe de scientifiques dispose d'une expérience dans tous les secteurs de la recherche, notamment en sciences de la vie, science des matériaux, synthèse chimique, chromatographie, analyse et dans de nombreux autres domaines..

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