PCE11 Monomer

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PCE11 Monomer, used to modify energy gap of polymer semiconducting materials

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4-7-bis(5-bromo-4-2-octyldodecylthiophen-2-yl)-5,6-difluorobenzo[c][1,2,5]-thiadiazole, also known as PCE11 monomer, is a monomer with difluoro attached on benzothiadiazole unit which gives greater electron withdrawn ability to further modify the energy gap of the polymer semiconductor materials. Polymerised with 5,5'-bis(trimethylstannyl)-2,2'-thiophene, PCE11 monomer yields the polymer PffBT4T-2OD (PCE11) which has a power conversion efficiency over 10%.

PCE11 synthesis with 4-7-bis(5-bromo-4-2-octyldodecylthiophen-2-yl)-5,6-difluorobenzo[c][1,2,5]-thiadiazole and 2,5-bis(trimethylstannyl)thieno[3,2-b]thiophene — Synthesis of PCE11 with 4-7-bis(5-bromo-4-2-octyldodecylthiophen-2-yl)-5,6-difluorobenzo[c][1,2,5]-thiadiazole and 2,5-bis(trimethylstannyl)thieno[3,2-b]thiophene

General Information

CAS number	1504626-07-6
Chemical formula	C₅₄H₈₄Br₂F₂N₂S₃
Molecular weight	1055.26 g/mol
Synonyms	PCE11 monomer PffBT4T-2OD monomer
Classification / Family	Benzothiadiazole, Difluorobenzo[c][1,2,5]thiadiazole, Semiconductor synthesis, Low band gap polymers, Acceptors, Organic photovoltaics, Polymer solar cells

Product Details

Purify	>98%
Melting point	No data available
Appearance	Red powder

Chemical Structure

NMR Characterisation

1H NMR pce11-monomer in CDCl3 — ¹H NMR spectrum of 4,7-bis(5-bromo-4-(2-octyldodecyl)thiophen-2-yl)-5,6-difluorobenzo[c][1,2,5]thiadiazole in CDCl₃: Instrument AVIIIHD400 (see full version)

MSDS Documentation

PCE11 monomer MSDS sheet

Literature and Reviews

Aggregation and morphology control enables multiple cases of high-efficiency polymer solar cells, Y. Liu, et al., Nat. Comm., 5, 5293 (2014)
Substituent Effects on Physical and Photovoltaic Properties of 5,6-Difluorobenzo[c][1,2,5]thiadiazole-Based D–A Polymers: Toward a Donor Design for High Performance Polymer Solar Cells, Y. Wang, et al., Macromolecules, 46 (24), 9587–9592 (2013).

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