Paper Title:
Aggregation, Isomerization and Thermo-Optic Property of Azobenzene Polyelectrolyte
  Abstract

A novel azobenzene polyelectrolyte (ABAPE) was synthesized based on chromophore 4-(4’-nitrophenylazo) naphthol (NPAN), epoxychloropropane and α-methacrylic acid. The ABAPE was characterized by FT-IR and UV-vis spectroscopy. The aggregation behaviors of ABAPE were investigated based on different pH values by the UV-vis spectroscopy. The isomerization behavior of the ABAPE in DMAC solution was studied by 256 nm UV irradiation light. Attenuated total reflection (ATR) method was adopted and carried out the measurement of refractive index of the thin film. The thermo-optic coefficient (dn/dT) was -2.9228×10-4°C-1 and was bigger than inorganic materials such as silica glass, zinc silicate glass, borosilicate glass and the organic materials of polystyrene and PMMA. These results showed that the polyelectrolyte could be used to carry out optical storage and thermo-optic switch.

  Info
Periodical
Advanced Materials Research (Volumes 123-125)
Edited by
Joong Hee Lee
Pages
851-854
DOI
10.4028/www.scientific.net/AMR.123-125.851
Citation
F. X. Qiu, D. Y. Yang, Q. Zhang, G. R. Cao, "Aggregation, Isomerization and Thermo-Optic Property of Azobenzene Polyelectrolyte", Advanced Materials Research, Vols. 123-125, pp. 851-854, 2010
Online since
August 2010
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$32.00
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