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Volumn 72, Issue 2, 2007, Pages 595-605

Synthesis and properties of benzophenone-spiropyran and naphthalene-spiropyran conjugates

Author keywords

[No Author keywords available]

Indexed keywords

LUMINOPHORES; MOLECULAR SKELETONS; PHOTOISOMERIZATION; SENSITIZATION;

EID: 33846227544     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: 10.1021/jo062004d     Document Type: Article
Times cited : (61)

References (54)
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  • 6
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    • (a) Bertelson, R. C. In ref 1, pp 45-431.
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    • Guglielmetti, R. In ref 4, pp 314-466 and 855-878.
    • Guglielmetti, R. In ref 4, pp 314-466 and 855-878.
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    • (a) Ichimura, K. In ref 4, pp 903-918.
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    • (1999) Photochromic Polymers , vol.2 , pp. 9-63
    • Ichimura, K.1
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  • 20
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  • 37
    • 0000032415 scopus 로고    scopus 로고
    • Early reports suggest alternative mechanisms for the photoinduced isomerization of nitrospiropyrans. See refs 19-21 and: (a) Irie, M, Menju, A, Hayashi, K. Macromolecules 1979, 12, 1176-1180
    • Early reports suggest alternative mechanisms for the photoinduced isomerization of nitrospiropyrans. See refs 19-21 and: (a) Irie, M.; Menju, A.; Hayashi, K. Macromolecules 1979, 12, 1176-1180.
  • 50
    • 33846194971 scopus 로고    scopus 로고
    • The relative luminescence quantum yield (FL) is the ratio between the luminescence quantum yield of the luminophore-nitrospiropyran assembly and that of the corresponding model luminophore. The value of FL was determined with eq 1. The parameters I L and ILSP are the emission intensities of the model luminophore and the luminophore-nitrospiropyran assembly respectively. The parameters AL and ALSP are the absorbances of the model luminophore and the luminophore-nitrospiropyran assembly, respectively, at the excitation wavelength. ΦL, I LSP(1, 10-AL)ALSP/I L(1, 10-ALSP)AL
    • L
  • 51
    • 33846214334 scopus 로고    scopus 로고
    • The relative photoisomerization quantum yield (FP) is the ratio between the photoisomerization quantum yield of the luminophore-nitrospiropyran assembly and that of the corresponding model nitrospiropyran. The value of FP was determined with eq 2. assuming that the molar extinction coefficients for the photogenerated isomers of the luminophores-nitrospiropyran assembly and the corresponding model nitrospiropyran are equal. The parameters ASP and ALSP are the absorbances of the model nitrospiropyran and the luminophore-nitrospiropyran assembly respectively at the excitation wavelength. The parameters AME and ALME are the absorbances for the photogenerated isomers of the model nitrospiropyran and the luminophore-nitrospiropyran assembly, respectively, in the visible region. ΦP, ALME(1, 10-ASP)/A ME1, 10-ALSP
    • -ALSP)
  • 52
    • 33846237655 scopus 로고    scopus 로고
    • The lifetime of the photogenerated isomer of SP1 is 400 s in MeCN at 25 °C see ref 18g
    • The lifetime of the photogenerated isomer of SP1 is 400 s in MeCN at 25 °C (see ref 18g).
  • 53
    • 33846185455 scopus 로고    scopus 로고
    • The lifetime of the photogenerated isomer of SP4 is 15 s in MeCN at 20 °C.
    • The lifetime of the photogenerated isomer of SP4 is 15 s in MeCN at 20 °C.
  • 54
    • 33846238908 scopus 로고    scopus 로고
    • The lifetime of the photogenerated isomer of SP6 is 3600 s in MeCN at 20 °C.
    • The lifetime of the photogenerated isomer of SP6 is 3600 s in MeCN at 20 °C.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.