Photochromic behavior and its stability of a new bifunctional dye composed of spirobenzopyran and a cinnamoyl moiety

Kaihua Shen, Hong Kim Jae, Woon Kim Go, Ju Cho Min, Kyu Lee Sang, Dong Hoon Choi

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

A novel bifunctional dye composed of spirobenzopyran and a cinnamoyl moiety was prepared and its photochromic behavior under the illumination of monochromatic UV light was investigated. This colorless bifunctional dye exhibits typical photochromism in both the film and in solution, through the structural and geometrical transformation from spirobenzopyran to merocyanine accompanied by a photocrosslinking reaction between the cinnamoyl moieties. Two kinds of photochemical reaction were selectively achieved by irradiation with monochromatic UV light at wavelengths of 275 and 365 nm, respectively. The effect of the selective photochemical reaction on the photochromism of the dye and its decaying behavior was investigated.

Original languageEnglish
Pages (from-to)180-186
Number of pages7
JournalMacromolecular Research
Volume13
Issue number3
Publication statusPublished - 2005 Jun 1

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Photochromism
Coloring Agents
Dyes
Photochemical reactions
Ultraviolet radiation
Lighting
Irradiation
Wavelength
merocyanine

Keywords

  • Cinnamoyl moiety
  • Photochromism
  • Selective photochemical reaction
  • Spirobenzopyran

ASJC Scopus subject areas

  • Polymers and Plastics
  • Materials Chemistry

Cite this

Photochromic behavior and its stability of a new bifunctional dye composed of spirobenzopyran and a cinnamoyl moiety. / Shen, Kaihua; Jae, Hong Kim; Go, Woon Kim; Min, Ju Cho; Sang, Kyu Lee; Choi, Dong Hoon.

In: Macromolecular Research, Vol. 13, No. 3, 01.06.2005, p. 180-186.

Research output: Contribution to journalArticle

Shen, Kaihua ; Jae, Hong Kim ; Go, Woon Kim ; Min, Ju Cho ; Sang, Kyu Lee ; Choi, Dong Hoon. / Photochromic behavior and its stability of a new bifunctional dye composed of spirobenzopyran and a cinnamoyl moiety. In: Macromolecular Research. 2005 ; Vol. 13, No. 3. pp. 180-186.
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