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901058

Sigma-Aldrich

J51

greener alternative

Synonym(s):

Poly[(5,6-difluoro-2-octyl-2H-benzotriazole-4,7-diyl)-2,5-thiophenediyl[4,8-bis[5-(2-hexyldecyl)-2-thienyl]benzo[1,2-b:4,5-b′]dithiophene-2,6-diyl]-2,5-thiophenediyl]

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About This Item

Linear Formula:
(C72H93F2N3S6)n
CAS Number:
1393529-03-7
UNSPSC Code:
12352103
NACRES:
NA.23

description

Band gap: 1.99 eV

Quality Level

100

form

solid

mol wt

Mw 40,000-80,000 by GPC (PS standard)

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

mp

>200 °C

solubility

organic solvents: soluble (Soluble in chlorobenzene and dichlorobenzene, Limited solubility in CHCl3)

orbital energy

HOMO -5.29 eV 
LUMO -3.3 eV 

PDI

2.0‑3.0

greener alternative category

Enabling,

Related Categories

General description

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product belongs to Enabling category of greener alternatives thus aligns with "Design for energy efficency". Hole transport organic materials allow perfect energy level alignment with the absorber layer and therefore efficient charge collection, are prone to degradation in ambient conditions.Click here for more information.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
MKCF3031

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Mapping Polymer Donors toward High-Efficiency Fullerene Free Organic Solar Cells.
Lin Y, et al.
Advanced Materials, 29(3) (2017)
Indacenodithienothiophene-naphthalene diimide copolymer as an acceptor for all-polymer solar cells.
Xue L, et al.
Journal of Material Chemistry A, 4(16), 5810-5816 (2016)
Liang Gao et al.
Advanced materials (Deerfield Beach, Fla.), 28(37), 8288-8295 (2016-07-09)
A nonfullerene polymer solar cell with a high efficiency of 9.26% is realized by using benzodithiophene-alt-fluorobenzotriazole copolymer J51 as a medium-bandgap polymer donor and the low-bandgap organic semiconductor ITIC with high extinction coefficients as the acceptor.
Conjugated Side-Chain-Isolated D-A Copolymers Based on Benzo[1,2-b:4,5-b']dithiophene-alt-dithienylbenzotriazole: Synthesis and Photovoltaic Properties.
Min J, et al.
Chemistry of Materials, 24(16), 3247-3254 (2012)

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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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