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900720

Sigma-Aldrich

PffBT4T-2OD

Synonym(s):

PCE-11, Poly[(5,6-difluoro-2,1,3-benzothiadiazol-4,7-diyl)-alt-(3,3’’’-di(2-octyldodecyl)-2,2’,5’,2’’,5’’,2’’’-quaterthiophen-5,5’’’-diyl)]

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About This Item

Linear Formula:
(C62H88F2N2S5)n
CAS Number:
1644164-62-4
UNSPSC Code:
12352103

description

Band gap: 1.65 eV

form

powder

mol wt

Mw 100,000-150,000 by GPC

solubility

chlorinated solvents: soluble (at elevated temperature
solubility limit: <17 mg/ml in chlorobenzene + dichlorobenzene)
chlorobenzene: soluble
dichlorobenzene: soluble

λmax

400-750 nm

orbital energy

HOMO -5.34 eV 
LUMO -3.69 eV 

Application

Requires hot ink processing (i.e. coating with ink at temperature 100-110 °C to ensure good coatability).

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
MKCD1280
MKCD1279

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Yuhang Liu et al.
Nature communications, 5, 5293-5293 (2014-11-11)
Although the field of polymer solar cell has seen much progress in device performance in the past few years, several limitations are holding back its further development. For instance, current high-efficiency (>9.0%) cells are restricted to material combinations that are
Zhihong Wu et al.
Journal of the American Chemical Society, 138(6), 2004-2013 (2016-01-23)
With the demonstration of small-area, single-junction polymer solar cells (PSCs) with power conversion efficiencies (PCEs) over the 10% performance milestone, the manufacturing of high-performance large-area PSC modules is becoming the most critical issue for commercial applications. However, materials and processes
Comparison of Two D-A Type Polymers with Each Being Fluorinated on D and A Unit for High Performance Solar Cells.
Jo JW, et al.
Advances in Functional Materials, 25(1), 120-125 (2015)

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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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