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| 十二烷基硫酸钠/苯甲醇/水微乳液中吩噻嗪对蒽的荧光猝灭 | |
| 引用本文： | 郭霞,徐慧,郭荣. 十二烷基硫酸钠/苯甲醇/水微乳液中吩噻嗪对蒽的荧光猝灭[J]. 物理化学学报, 2002, 18(6): 500-503. DOI: 10.3866/PKU.WHXB20020605 |
| 作者姓名： | 郭霞 徐慧 郭荣 |
| 作者单位： | Department of Chemistry, Yangzhou University, Yangzhou 225002 |
| 基金项目： | 国家自然科学基金（20073038），教育部高等学校骨干教师资助项目 |
| 摘 要： | 吩噻嗪与蒽之间可以发生光诱导单电子转移反应. 用荧光光谱仪研究了十二烷基硫酸钠(SDS) / 苯甲醇(BA) / 水微乳液中吩噻嗪对蒽的荧光猝灭.结果表明，在W/O微乳液中，蒽位于苯甲醇连续相，吩噻嗪位于膜相，猝灭反应发生于膜相；而在O/W微乳液中，蒽既可位于油核中，也可位于膜相，吩噻嗪位于膜相，猝灭反应亦发生于膜相. |
| 关 键 词： | 十二烷基硫酸钠 微乳液 苯甲醇 蒽 荧光猝灭 吩噻嗪 |
| 收稿时间： | 2001-10-09 |
| 修稿时间： | 2001-12-16 |
The Fluorescence Quenching of Anthracene by Phenothiazine in Sodium Dodecyl Sulfate / Benzyl Alcohol / Water Microemulsion |
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| Guo Xia Xu Hui Guo Rong. The Fluorescence Quenching of Anthracene by Phenothiazine in Sodium Dodecyl Sulfate / Benzyl Alcohol / Water Microemulsion[J]. Acta Physico-Chimica Sinica, 2002, 18(6): 500-503. DOI: 10.3866/PKU.WHXB20020605 | |
| Authors: | Guo Xia Xu Hui Guo Rong |
| Affiliation: | Department of Chemistry, Yangzhou University, Yangzhou 225002 |
| Abstract: | Photoinduced electron transfer reaction of anthracene with phenothiazine(PTZ) occurs in the membrane phase of the SDS(sodium dodecyl sulfate)/benzyl alcohol/H2O microemulsion. PTZ exists in the membrane phase because the rate for the photoinduced reaction between CHCU and PTZ in microemulsion is much slower than that in BA. Anthracene locates in the membrane phase or the oil core of the O/W microemulsion and in the oil continuous phase of the W/O microemulsion. The quenching of the excited anthracene by PTZ occurs in the membrane phase either for the W/O microemulsion or for the O/W microemulsion. |
| Keywords: | Sodium dodecyl sulfate Microemulsion Benzyl alcohol Anthracene Fluorescence quenching Phenothiazine |
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