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Journal of SpectroscopyVolume 2013 2013, Article ID 631946, 7 pages

Research ArticleDepartment of Applied Chemistry and Material Science, Fooyin University, 151 Chin-Hsueh Road Ta-Liao Hsiang, Kaohsiung, 83102, Taiwan

Received 29 June 2012; Accepted 6 September 2012

Academic Editor: Stéphane Viel

Copyright © 2013 Li-Fen Wang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

This study uses the inclusion complex method to import nonlinear optical NLO chromophores, disperse red1 DR1, and spiropyran SP, into the γ-CD cavity of the γ-cyclodextrin polymer γ-CDP to prepare orderly aligned nonphotocontrollable and photocontrollable nonlinear optical polymers. Calculations support the ultraviolet-visible analyses and suggest the formation of the 1 : 2 DR1-γ-CDP and 1 : 2 SP-γ-CDP inclusion complexes. Upon complexation, the DR1 and SP molecules are free to align themselves along an applied electric field and show high order parameters of approximately 0.48 and 0.20, respectively. Reversible photochromic reactions exhibit that the SP-γ-CDP complex still retains the photochromic properties following corona poling.





Autor: Li-Fen Wang, Jyun-Wun Chen, and Jyun-Wei Chen

Fuente: https://www.hindawi.com/



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