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Proceedings Paper

Multidimensional charge-transfer chromophore: a novel strategy to achieving a highly efficient and stable second-order nonlinear optical polyimide
Author(s): Shaojun Li; Zhou Yang; Peng Wang; Hu Kang; Wei Wu; Cheng Ye
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Paper Abstract

Some novel multi-dimensional charge-transfer (CT) chromophores, 2-[4-(4,5-di(4-nitrophenyl) imidazolyl)phenyl]-4,5-di(4-aminophenyl)imidazole (DNPIPDAPI), 2-[4-(4,5-di(4-nitrophenyl)imidazolyl)phenyl]-4,5-di(4-metho xy phenyl)imidazole(DNPIPDMOPI) and 2-[4-(4,5-di(4-nitrophenyl) imidazolyl) phenyl]-4,5-di(4-hydroxy-phenyl) imidazole(DNPIPDHPI) were designed and synthesized. And the polyimide was formed with one of the novel chromophores(DNPIPDAPI) and (formula available in paper). The thermal and temporal stability of the poling induce orientation were evaluated. The temporal orientation of the poled polyimide film with DNPIPDAPI was over 1000 hours at 150°C retaining 85% of the initial d33value. Comparing with 1-D chromophores, the synthetic multiple CT chromophore possesses better property in controlling the decay of the SHG activity.

Paper Details

Date Published: 19 October 2001
PDF: 8 pages
Proc. SPIE 4580, Optoelectronics, Materials, and Devices for Communications, (19 October 2001); doi: 10.1117/12.444979
Show Author Affiliations
Shaojun Li, Institute of Chemistry (China)
Zhou Yang, Institute of Chemistry (China)
Peng Wang, Institute of Chemistry (China)
Hu Kang, Institute of Chemistry (China)
Wei Wu, Institute of Chemistry (China)
Cheng Ye, Institute of Chemistry (China)

Published in SPIE Proceedings Vol. 4580:
Optoelectronics, Materials, and Devices for Communications
Tien Pei Lee; Qiming Wang, Editor(s)

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