High purity DPP-EH-2ThBr monomer
For the synthesis of small molecules and low band gap semiconducting polymers
3,6-bis(5-bromothiophen-2-yl)-2,5-bis(2-ethylhexyl)pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione (DPP-EH-2ThBr) is a building block containing a DPP backbone as a strong acceptor unit. It has a planar conjugated bi-cyclic structure engaging stronger π–π interactions. Due to its electron-deficient nature, DPP-EH-2ThBr and its derivatives are used for the synthesis of small molecules and low band-gap polymer semiconductors with OPV, OLED and perovskite solar cells.
|Molecular weight||682.57 g/mol|
|Classification / Family||Pyrroles, Pyrrolopyrrole-dione (DPP), Thiophenes, Acceptor, Organic semiconducting materials, Semiconductor synthesis, Building blocks|
|Melting point||No data available|
|Appearance||Dark red/purple solid|
Literature and Reviews
- Synthesis, thin-film morphology, and comparative study of bulk and bilayer heterojunction organic photovoltaic devices using soluble diketopyrrolopyrrole molecules, W. Kylberg et al., Energy Environ. Sci., 4, 3617-3624 (2011); DOI: 10.1039/C1EE01544C.
- Solution processable low bandgap diketopyrrolopyrrole (DPP) based derivatives: novel acceptors for organic solar cells, P. Sonar et al, J. Mater. Chem., 20, 3626-3636 (2010); DOI: 10.1039/B924404B.
- Isomers of dialkyl diketo-pyrrolo-pyrrole: Electron-deficient units for organic semiconductors, B. Zhao et al., Org. Electronics, 13 (11), 2516-2524 (2012); https://doi.org/10.1016/j.orgel.2012.07.015.
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