Chemically and thermally stable photo- and electroluminescent thiophene-based materials

Giovanna Barbarella; Laura Favaretto; Giovanna Sotgiu; Massimo Zambianchi; Catia Arbizzani; Alessandro Bongini; Marina Mastragostino; Giuseppe Gigli; Roberto Cingolani

doi:10.1117/12.405360

26 October 2000 Chemically and thermally stable photo- and electroluminescent thiophene-based materials

Giovanna Barbarella, Laura Favaretto, Giovanna Sotgiu, Massimo Zambianchi, Catia Arbizzani, Alessandro Bongini, Marina Mastragostino, Giuseppe Gigli, Roberto Cingolani

Author Affiliations +

Proceedings Volume 4134, Photonics for Space Environments VII; (2000) https://doi.org/10.1117/12.405360
Event: International Symposium on Optical Science and Technology, 2000, San Diego, CA, United States

Abstract

We present a new class of thiophene-based oligomers and polymers with widely tunable photo and electroluminescence properties and which offer great potential for many different areas of application. We were able to synthesize materials displaying high solid-state fluorescence efficiency across the entire visible range. Electroactive polymers emitting light in the near IR were obtained by chemical and/or electrochemical polymerization of oligomers of different length. The polymers also displayed electrochromism, i.e. color change when electric current flowed through the material. All compounds were characterized by great thermo and photooxidative stability. With some of these materials efficient electroluminescent devices were fabricated and characterized.

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Giovanna Barbarella, Laura Favaretto, Giovanna Sotgiu, Massimo Zambianchi, Catia Arbizzani, Alessandro Bongini, Marina Mastragostino, Giuseppe Gigli, and Roberto Cingolani "Chemically and thermally stable photo- and electroluminescent thiophene-based materials", Proc. SPIE 4134, Photonics for Space Environments VII, (26 October 2000); https://doi.org/10.1117/12.405360

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