Indigo – From Jeans to Semiconductors: Indigo - A Natural Pigment for High Performance Ambipolar Organic Field Effect Transistors and Circuits

1. Mihai Irimia-Vladu^1,2,*, 
2. Eric D. Głowacki²,
3. Pavel A. Troshin³, 
4. Günther Schwabegger⁵,
5. Lucia Leonat⁴, 
6. Diana K. Susarova³, 
7. Olga Krystal³, 
8. Mujeeb Ullah⁵, 
9. Yasin Kanbur⁶,
10. Marius A. Bodea⁷, 
11. Vladimir F. Razumov³,
12. Helmut Sitter⁵, 
13. Siegfried Bauer¹, 
14. Niyazi Serdar Sariciftci²

Article first published online: 10 JAN 2012

DOI: 10.1002/adma.201290011

The cover shows a stylized electronic circuit in the shape of an indigo molecule embedded in an elastomer. Originally extracted from plants of the Indigofera genus more than 4000 years ago, indigo is nowadays the most industrially produced pigment