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772402

Sigma-Aldrich

PBDTTT-CF

Synonym(s):

Poly[1-(6-{4,8-bis[(2-ethylhexyl)oxy]-6-methylbenzo[1,2-b:4,5-b′]dithiophen-2-yl}-3-fluoro-4-methylthieno[3,4-b]thiophen-2-yl)-1-octanone]

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About This Item

Empirical Formula (Hill Notation):
C40H51FO3S4 ]n
CAS Number:
1379592-65-0
Molecular Weight:
727.09 (as monomer)
UNSPSC Code:
12352103
NACRES:
NA.23

description

Band gap: 1.77 eV

form

powder

mol wt

average Mw 53,000-83,000 by GPC

Orbital energy

HOMO -5.22 eV 
LUMO -3.45 eV 

semiconductor properties

P-type (mobility=7×10−4 cm2/V·s)

General description

PBDTTT-CF is a low band-gap conducting polymer which contains dialkoxyl benzodithiophene and fluorine substituted thieno[3,4-b]thiophene groups. It can be used as a donor material with a power conversion efficiency of 6.77%.

Application

Low band gap polymer; for high-efficiency organic solar cells (OPVs) application

OPV Device Structure: ITO/PEDOT:PSS/PBDTTT-CF :PC71BM/Ca/Al; achieving power conversion efficiency as high as 6.77%; as certified by the National Renewable Energy Laboratory (NREL).
PBDTTT-CF is mainly used in the fabrication of polymeric solar cells and organic solar cells.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
MKCR1884
MKBS2703V
MKBQ9606V
MKBN2775V

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A polybenzo [1, 2-b: 4, 5-b?] dithiophene derivative with deep HOMO level and its application in high-performance polymer solar cells
Huo L, et al.
Angewandte Chemie (International Edition in English), 122(8), 1542-1545 (2010)
Synthesis and photovoltaic properties of an alternating phenylenevinylene copolymer with substituted-triphenylamine units along the backbone for bulk heterojunction and dye-sensitized solar cells
Mikroyannidis JA, et al.
Journal of Power Sources, 196(4), 2364-2372 (2011)
Polymer solar cells with enhanced open-circuit voltage and efficiency
Nature Photonics, 3, 649-653 (2009)
Polymer solar cells with enhanced open-circuit voltage and efficiency
Chen H, et al.
Nature Photonics, 3(11), 649-649 (2009)
Towards organic solar cells without the hole transporting layer on the plasmon-enhanced ITO electrode
Vojtko A, et al.
physica status solidi (a), 212(4), 867-876 (2015)

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