LEDs based on conjugated PPV block copolymers

Hendrik-Jan Brouwer; Alain Hilberer; Martinus H.V. Werts; Jurjen Wildeman; Georges Hadziioannou

doi:10.1117/12.256172

1 November 1996 LEDs based on conjugated PPV block copolymers

Hendrik-Jan Brouwer, Alain Hilberer, Martinus H.V. Werts, Jurjen Wildeman, Georges Hadziioannou

Proceedings Volume 2852, Nonlinear Optical Properties of Organic Materials IX; (1996) https://doi.org/10.1117/12.256172
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

A way to control the bandgap in semi-conducting polymers is by preparing polymers with a partially conjugated backbone. In our laboratory, three conjugated copolymers containing PPV trimers as light emitting chromophores have been synthesized, which emit in the blue, green and orange wavelength region. The copolymers have a well defined conjugated backbone consisting of regularly alternating terphenylene and p-phenylene-vinylene blocks. The desired control of conjugation length is achieved through steric interaction induced by the side-chains in the terphenyl blocks of the copolymer. In this paper we evaluate the electrical and optical properties of LED devices based on these conjugated PPV block copolymers.

Citation Download Citation

Hendrik-Jan Brouwer, Alain Hilberer, Martinus H.V. Werts, Jurjen Wildeman, and Georges Hadziioannou "LEDs based on conjugated PPV block copolymers", Proc. SPIE 2852, Nonlinear Optical Properties of Organic Materials IX, (1 November 1996); https://doi.org/10.1117/12.256172

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