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题名:
Laser Flash Photolysis Mechanism of Anthraquinone-2-Sodium Sulfonate Pyridine Ionic Liquid/Water Mixed System
作者: Zhu, GL; Zhang, LW; Liu, YC; Cui, ZF; Xu, XS; Wu, GZ
刊名: CHINESE JOURNAL OF CHEMICAL PHYSICS
出版日期: 2016
卷号: 29, 期号:1, 页码:140—146
关键词: PHOTOINDUCED ELECTRON-TRANSFER ; BINARY-MIXTURES ; GREEN SOLVENTS ; AQUEOUS-SOLUTION ; LIQUIDS ; PHOTOCHEMISTRY ; WATER ; 9,10-ANTHRAQUINONE-2-SULFONATE ; ACETONITRILE ; PHOTOREDUCTION
DOI: 10.1063/1674-0068/29/cjcp1509192
通讯作者: Zhu, GL (reprint author), Anhui Normal Univ, Inst Atom & Mol Phys, Wuhu 241000, Peoples R China. ; Wu, GZ (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China.
文章类型: 期刊文献
英文摘要: The photochemical reaction process of anthraquinone-2-sodium sulfonate (AQS) in the mixture of water (H2O) and N-butylpyridinium tetrafluoroborate ([BPy][BF4]) was studied using the laser flash photolysis technique. Experimental results show that the excited triplet of AQS ((3)AQS*) could react rapidly with H2O and the transient absorption spectra greatly changed by increasing the volume fraction of the ionic liquid (UL) in [BPy][BF4]/H2O mixtures. The absorbance at 510 nm increased gradually with increasing VIL when O0.1. Otherwise, the absorbance of the band near 380 nm steadily increased. The apparent kinetic parameters of transient species B and (3)AQS* are obtained approximately. (3)AQS* abstracting hydrogen from [BPy](+) was also explored. It was deduced that the 350-420 nm band was the superposition of the peaks of (3)AQS* and AQSH. The two reactions of (3)AQS* with [BPy][BF4] and H2O are a pair of competitive reactions. We also concluded that the entire reaction processes slow down in the case of high [BPy][BF4] concentrations.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000373211400019
ISSN号: 1674-0068
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/25765
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
Zhu, GL,Zhang, LW,Liu, YC,et al. Laser Flash Photolysis Mechanism of Anthraquinone-2-Sodium Sulfonate Pyridine Ionic Liquid/Water Mixed System[J]. CHINESE JOURNAL OF CHEMICAL PHYSICS,2016-01-01,29(1):140—146.
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文件名: Laser Flash Photolysis Mechanism of Anthraquinone-2-SodiumSulfonate in Pyridine Ionic Liquid_Water Mixed System .pdf
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