Selective fluorescence quenching of alternant vs. non-alternant polycyclic aromatic hydrocarbons by carbon tetrachloride

被引:3
|
作者
Patra, D [1 ]
Mishra, AK [1 ]
机构
[1] Indian Inst Technol, Dept Chem, Madras 600036, Tamil Nadu, India
关键词
fluorescence; selective fluorescence quenching; carbon tetrachloride; polycyclic aromatic hydrocarbons; Stern-Volmer constant;
D O I
10.1366/0003702011954080
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
A study was carried out to quantitatively evaluate the selective fluorescence quenching efficiency of CCL4 as a quencher in methanol for different polyacyclic aromatic hydrocarbons (PAHs) fluorophores by conventional fluorescence (CF) and synchronous fluorescence scan (SFS) measurement. Perylene, benzo[a]pyrene, pyrene, triphenylene, chrysene, and benzo[ghi]perylene were chosen as models for alternant PAHs and fluoranthene, benzo[b]fluoranthene, and benzo[k]fluoranthene chosen for non-alternant PAHs. The resulting data was analyzed in detail.
引用
收藏
页码:1725 / 1729
页数:5
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