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1 November 1996 LEDs based on conjugated PPV block copolymers
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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.
© (1996) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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);

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