DPPDPy2Br
3,6-Bis(5-bromopyridin-2-yl)-2,5-bis(2-octyldodecyl)-2,5-dihydropyrrolo[3,4-c]pyrrole-1,4-dione (DPPDPy2Br) is a pyridine-flanked diketopyrrolopyrrole building block for the synthesis of n-type polymer semiconductors, in the application of OFETs and OPVs. As both diketopyrrolopyrrole and pyridyl units are electron-deficient, they lower the HOMO energy level of the polymer semiconductors - making the polymer suitable as an electron acceptor with good electron mobilities.
This material (DPPDPy2Br) has been used in our own lab for the synthesis of DPPDPyBT (n-type).
General Information
CAS number | 1455028-34-8 |
Chemical formula | C56H88Br2N4O2 |
Molecular weight | 1009.13 g/mol |
Synonyms |
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Classification / Family | Pyrrolo[3,4-c]pyrrole, Organic semiconducting materials, Semiconductor synthesis, Low band-gap polymers, OFETs, OLED, Organic photovoltaics, Polymer solar cells |
Chemical Structure

Product Details
Purity | >98% |
Melting point | No data available |
Appearance | Red/pink powder |
MSDS Documentation
Literature and Reviews
- Record High Electron Mobility of 6.3 cm2V-1s-1 Achieved for Polymer Semiconductors Using a New Building Block, B. Sun et al., Adv. Mater., 26, 2636-2642 (2014).
- A pyridine-flanked diketopyrrolopyrrole (DPP)-based donor–acceptor polymer showing high mobility in ambipolar and n-channel organic thin film transistors, B. Sun, Polym. Chem., 6, 938-945 (2015)
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