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Volumn 4, Issue 18, 2002, Pages 4495-4503

A laser trapping-spectroscopy study on the photocyanation of perylene across a single micrometre-sized oil droplets/water interface: Droplet-size effects on photoreaction quantum yield

Author keywords

[No Author keywords available]

Indexed keywords

ANTHRACENE DERIVATIVE; BENZENE DERIVATIVE; BENZONITRILE; OIL; PERYLENE; TEREPHTHALONITRILE; UNCLASSIFIED DRUG; WATER;

EID: 0036386386     PISSN: 14639076     EISSN: None     Source Type: Journal    
DOI: 10.1039/b203259g     Document Type: Article
Times cited : (10)

References (45)
  • 28
    • 0010621551 scopus 로고    scopus 로고
    • note
    • Alhough the beam profile of the Xe lamp under the microscope is near Gaussian, the results indicate that the excitation light is homogeneously irradiated to the entire droplet at d < 11 μm. This was acheived by introducing the Xe beam to the microscope through a minute aperture (∼1 mm).
  • 30
    • 0010550265 scopus 로고    scopus 로고
    • note
    • As long as analysis of the oil phase was made by GC-MS, we could not confirm any major by-product(s). On the other hand, although we have not isolated it, a water-soluble by-product(s) is produced, as confirmed by NMR.
  • 32
    • 0010555254 scopus 로고    scopus 로고
    • note
    • The fluorescence lifetime in aerated BN was different between 1-PeCN (6.3 ns) and 3-PeCN (4.5 ns).
  • 33
    • 0010621552 scopus 로고    scopus 로고
    • note
    • -1, respectively. The fluorescence quenching efficiency of PeCN by PeH (2.5 mM) was ∼8%. Furthermore, energy transfer quenching of the singlet excited state of PeH by PeCN is expected to proceed because the fluorescence spectrum of PeH overlaps significantly with the absorption spectrum of PeCN.
  • 34
    • 0010555255 scopus 로고    scopus 로고
    • note
    • The fluorescence lifetimes of PeH in the absence and presence of PeCN (0.37 mM) were 4.0 and 3.8 ns, respectively. On the other hand, the average lifetimes of PeCN in the absence and presence of PeH (2.5 mM) were 5.8 and 6.2 ns, respectively. Therefore, the contribution of fluorescence quenching is as low as ∼7%.
  • 39
    • 0010553815 scopus 로고    scopus 로고
    • note
    • -1), respectively.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.