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906352

Sigma-Aldrich

PBDB-T-2Cl

别名:

OS0139, PCE 139, PM 7, Poly[[4,8-bis[5-(2-ethylhexyl)-4-chloro-2-thienyl]benzo[1,2-b:4,5-b′]dithiophene-2,6-diyl]-2,5-thiophenediyl[5,7-bis(2-ethylhexyl)-4,8-dioxo-4H,8H-benzo[1,2-c:4,5-c′]dithiophene-1,3-diyl]-2,5-thiophenediyl]

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About This Item

线性分子式:
(C68H76C12O2S8)n
CAS号:
2239295-71-5
MDL號碼:
MFCD32197456
分類程式碼代碼:
12352101
NACRES:
NA.23

描述

Band gap: 1.95 eV
Solubility:Soluble in 1,2-Dichlorobenzene

形狀

particles

分子量

50,000-100,000 g/mol by GPC

顏色

Fine

溶解度

chlorobenzene: soluble
chloroform: soluble

軌道能量

HOMO -5.52 eV 
LUMO -3.57 eV 

蛋白質二硫鍵異構酶

2‑4

相关类别

應用

High-Efficiency Organic Solar Cells (OPVs)
Polymeric donor material
LUMO=−3.57 eV
HOMO=−5.32 eV

OPV Device Performance :
PBDB-T-2Cl:IT-4F
Voc= 0.86V
Jsc= 21.46 mA/cm2
FF= 0.75
PCE=13.9%

PBDB-T-2Cl (or PM7) is a wide bandgap polymer donor (n-type semiconductor) containing chlorinated thienyl benzodithiophene (BDT-2Cl) used in high performance polymer solar cells (PSCs). PBDB-T-2Cl-based devices exhibit higher open circuit voltage (Voc) than the PBDB-T-2F-based devices, due to lower molecular energy levels of PBDB-T-2Cl, and leading to an outstanding power conversion efficiency of over 14%.
In general, chlorination is more effective than fluorination in downshifting the molecular energy levels and broadening the absorption spectra.

儲存類別代碼

11 - Combustible Solids

水污染物質分類（WGK）

WGK 3

閃點（°F）

Not applicable

閃點（°C）

Not applicable

历史批次信息供参考:

分析证书(COA)

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Over 14% Efficiency in Polymer Solar Cells Enabled by a Chlorinated Polymer Donor.
Zhang S, et al.
Advanced Mat., 30(20) (2018)
Fluorination vs. chlorination: a case study on high performance organic photovoltaic materials.
Zhang Y, et al.
Science China: Chemistry, 61(10), 1328-1337 (2018)

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