Multidimensional charge-transfer chromophore: a novel strategy to achieving a highly efficient and stable second-order nonlinear optical polyimide

Shaojun Li; Zhou Yang; Peng Wang; Hu Kang; Wei Wu; Cheng Ye

doi:10.1117/12.444979

19 October 2001 Multidimensional charge-transfer chromophore: a novel strategy to achieving a highly efficient and stable second-order nonlinear optical polyimide

Shaojun Li, Zhou Yang, Peng Wang, Hu Kang, Wei Wu, Cheng Ye

Author Affiliations +

Proceedings Volume 4580, Optoelectronics, Materials, and Devices for Communications; (2001) https://doi.org/10.1117/12.444979
Event: Asia-Pacific Optical and Wireless Communications Conference and Exhibit, 2001, Beijing, China

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.

Citation Download Citation

Shaojun Li, Zhou Yang, Peng Wang, Hu Kang, Wei Wu, and Cheng Ye "Multidimensional charge-transfer chromophore: a novel strategy to achieving a highly efficient and stable second-order nonlinear optical polyimide", Proc. SPIE 4580, Optoelectronics, Materials, and Devices for Communications, (19 October 2001); https://doi.org/10.1117/12.444979

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