Journal
ADVANCED MATERIALS
Volume 25, Issue 47, Pages 6783-6799Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201302652
Keywords
organic electronics; natural products; materials chemistry; dyes and pigments
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Funding
- Austrian Science Foundation, FWF
- [TRP 294-N19]
- Austrian Science Fund (FWF) [TRP 294] Funding Source: researchfish
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Indigo and its derivatives are dyes and pigments with a long and distinguished history in organic chemistry. Recently, applications of this old' structure as a functional organic building block for organic electronics applications have renewed interest in these molecules and their remarkable chemical and physical properties. Natural-origin indigos have been processed in fully bio-compatible field effect transistors, operating with ambipolar mobilities up to 0.5 cm(2)/Vs and air-stability. The synthetic derivative isoindigo has emerged as one of the most successful building-blocks for semiconducting polymers for plastic solar cells with efficiencies > 5%. Another isomer of indigo, epindolidione, has also been shown to be one of the best reported organic transistor materials in terms of mobility (approximate to 2 cm(2)/Vs) and stability. This progress report aims to review very recent applications of indigoids in organic electronics, but especially to logically bridge together the hereto independent research directions on indigo, isoindigo, and other materials inspired by historical dye chemistry: a field which was the root of the development of modern chemistry in the first place.
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