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Product Code B461-100mg
Price £210 ex. VAT

Specifications | MSDS | Literature and Reviews

3,6-Bis(5-bromopyridin-2-yl)-2,5-bis(2-octyldodecyl)-2,5-dihydropyrrolo[3,4-c]pyrrole-1,4-dione (DPPDPy2Br), CAS number 1455028-34-8, 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



3,6- Bis(5-bromopyridin-2-yl)-2,5-bis(2-octyldodecyl)pyrrolo[3,4-c]- pyrrole-1,4(2H,5H)-dione

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

Chemical structure of DPPDPy2Br

Product Details

Purity >98%
Melting Point N/A
Appearance Red/pink powder

MSDS Documentation


Literature and Reviews

  1. 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).
  2. 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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