901871
PBDTS-TDZ
别名:
PCE-13, PCE13, Poly[1,3,4-thiadiazole-2,5-diyl(3-octyl-2,5-thiophenediyl)[4,8-bis[(2-butyloctyl)thio]benzo[1,2-b:4, 5-b′]dithiophene-2,6-diyl](4-octyl-2,5-thiophenediyl)]
description
Band gap: 2.09 eV
form
powder
mol wt
average Mn >30000, average Mw >60000
solubility
THF: soluble, chlorobenzene: soluble, chloroform: soluble, dichlorobenzene: soluble, soluble (1,2,4-trimethylbenzene), toluene: soluble, xylene: soluble
λmax
510 nm±10 nm (Solution)
orbital energy
HOMO -5.39 eV , LUMO -2.8 eV
PDI
<2.5
Application
PBDTS-TDZ is a wide bandgap polymer that can be used as a donor for the fabrication of organic solar cells. It has alkylthio side chains, which help in strong optical absorption and high crystallinity. PBDTS-TDZ forms a composite with ITIC, which has an efficiency of ~18% for organic tandem solar cells.
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Organic tandem solar cells with 18.6\% efficiency
Salim MB, et al.
Solar Energy, 198, 160-166 (2020)
Green-solvent-processable strategies for achieving large-scale manufacture of organic photovoltaics
Ma Z, et al.
Journal of Material Chemistry A, 7(40), 22826-22847 (2019)
Xiaopeng Xu et al.
Advanced materials (Deerfield Beach, Fla.), 30(3) (2017-12-07)
Two novel wide-bandgap copolymers, PBDT-TDZ and PBDTS-TDZ, are developed based on 1,3,4-thiadiazole (TDZ) and benzo[1,2-b:4,5-b']dithiophene (BDT) building blocks. These copolymers exhibit wide bandgaps over 2.07 eV and low-lying highest occupied molecular orbital (HOMO) levels below -5.35 eV, which match well
商品
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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