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Documentos

906972

Sigma-Aldrich

F-M

≥98%

Sinónimos:

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

Fórmula empírica (notación de Hill):
C99H122N4O2S2
Número de CAS:
2239303-91-2
Peso molecular:
1464.18
UNSPSC Code:
12352101
NACRES:
NA.23

description

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

assay

≥98%

form

solid

orbital energy

HOMO -5.42 eV 
LUMO -3.70 eV 

General description

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%

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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PBDB-T

Sigma-Aldrich

901099

PBDB-T

ITIC-F

Sigma-Aldrich

901423

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Di-PDI

Sigma-Aldrich

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

Artículos

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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