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Laser Flash Photolysis Mechanism of Anthraquinone-2-Sodium Sulfonate Pyridine Ionic Liquid/Water Mixed System
Zhu, GL; Zhang, LW; Liu, YC; Cui, ZF; Xu, XS; Wu, GZ; 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.
2016
Source PublicationCHINESE JOURNAL OF CHEMICAL PHYSICS
ISSN1674-0068
Volume29Issue:1Pages:140—146
Subtype期刊文献
AbstractThe 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.
KeywordPhotoinduced Electron-transfer Binary-mixtures Green Solvents Aqueous-solution Liquids Photochemistry Water Acetonitrile 9 Photoreduction 10-anthraquinone-2-sulfonate
DOI10.1063/1674-0068/29/cjcp1509192
Indexed BySCI
Language英语
WOS IDWOS:000373211400019
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/25765
Collection中科院上海应用物理研究所2011-2018年
Corresponding AuthorZhu, 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.
Recommended Citation
GB/T 7714
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,2016,29(1):140—146.
APA Zhu, GL.,Zhang, LW.,Liu, YC.,Cui, ZF.,Xu, XS.,...&Wu, GZ .(2016).Laser Flash Photolysis Mechanism of Anthraquinone-2-Sodium Sulfonate Pyridine Ionic Liquid/Water Mixed System.CHINESE JOURNAL OF CHEMICAL PHYSICS,29(1),140—146.
MLA Zhu, GL,et al."Laser Flash Photolysis Mechanism of Anthraquinone-2-Sodium Sulfonate Pyridine Ionic Liquid/Water Mixed System".CHINESE JOURNAL OF CHEMICAL PHYSICS 29.1(2016):140—146.
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