Red fluorescence from the merocyanine form of spirobenzopyran

Kazuyuki Horie, Katsuhiko Hirao, Itaru Mita, Yoshitaka Takubo, Tatsuki Okamoto, Masakazu Washio, Seiichi Tagawa, Yoneho Tabata

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

A brilliant red emission observed for the colored form of 1,3,3-trimethyl-6′-nitrospiro[indoline-2,2′-[2H]benzopyran] both in solution and in polymer films was ascertained to be a fluorescence from its merocyanine form. The fluorescence lifetimes were measured to be 1.8 to 3.6 ns in polycarbonate and other polymer films and 230 ps in ethanol solution by picosecond laser flash and pulse radiolysis spectroscopies.

Original languageEnglish
Pages (from-to)499-502
Number of pages4
JournalChemical Physics Letters
Volume119
Issue number6
DOIs
Publication statusPublished - 1985 Sep 20
Externally publishedYes

Fingerprint

polycarbonate
Polymer films
Fluorescence
Benzopyrans
fluorescence
Radiolysis
polymers
polycarbonates
radiolysis
flash
ethyl alcohol
Ethanol
Spectroscopy
life (durability)
Lasers
pulses
spectroscopy
lasers
merocyanine
indoline

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Spectroscopy
  • Condensed Matter Physics
  • Atomic and Molecular Physics, and Optics
  • Surfaces and Interfaces

Cite this

Horie, K., Hirao, K., Mita, I., Takubo, Y., Okamoto, T., Washio, M., ... Tabata, Y. (1985). Red fluorescence from the merocyanine form of spirobenzopyran. Chemical Physics Letters, 119(6), 499-502. https://doi.org/10.1016/0009-2614(85)85376-8

Red fluorescence from the merocyanine form of spirobenzopyran. / Horie, Kazuyuki; Hirao, Katsuhiko; Mita, Itaru; Takubo, Yoshitaka; Okamoto, Tatsuki; Washio, Masakazu; Tagawa, Seiichi; Tabata, Yoneho.

In: Chemical Physics Letters, Vol. 119, No. 6, 20.09.1985, p. 499-502.

Research output: Contribution to journalArticle

Horie, K, Hirao, K, Mita, I, Takubo, Y, Okamoto, T, Washio, M, Tagawa, S & Tabata, Y 1985, 'Red fluorescence from the merocyanine form of spirobenzopyran', Chemical Physics Letters, vol. 119, no. 6, pp. 499-502. https://doi.org/10.1016/0009-2614(85)85376-8
Horie, Kazuyuki ; Hirao, Katsuhiko ; Mita, Itaru ; Takubo, Yoshitaka ; Okamoto, Tatsuki ; Washio, Masakazu ; Tagawa, Seiichi ; Tabata, Yoneho. / Red fluorescence from the merocyanine form of spirobenzopyran. In: Chemical Physics Letters. 1985 ; Vol. 119, No. 6. pp. 499-502.
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