物理化学学报Issue(3)：419-424,6.DOI:10.3866/PKU.WHXB201501222
吡啶离子液体[BPy][BF4]与乙腈混合体系中杜醌的光化学反应动力学
Photochemical Reaction Kinetics of Duroquinone in a Mixture of Ionic Liquid [BPy][BF4] and Acetonitrile
摘要
Abstract
Photochemical reactions of duroquinone (DQ) in solutions consisting of mixtures of the ionic liquid N-butylpyridinium tetrafluoroborate ([BPy][BF4]) and acetonitrile (MeCN) were studied using the 355 nm laser flash photolysis technique. Increasing the ratio of [BPy][BF4] had no obvious impact on the absorption peak of the triplet excited state of DQ (3DQ*), which fol owed monoexponential kinetics in the N2-saturated solution. However, increasing the ratio of [BPy] [BF4] did affect the photoinduced electron transfer process from triethylamine to 3DQ*in the mixture by decreasing the reaction rate and the quantum yield of the transient radical. The results highlight the ability to tune the efficiency and the rate of the photoinduced electron transfer by changing the proportion of [BPy][BF4] in the mixture.关键词
N-丁基吡啶四氟硼酸盐/离子液体/杜醌/瞬态吸收光谱/光诱导电子转移Key words
N-butylpyridinium tetrafluoroborate/Ionic liquid/Duroquinone/Transient absorption spectroscopy/Photoinduced electron transfer分类
化学化工引用本文复制引用
朱光来,王玉,张良伟,刘艳成,吴国忠..吡啶离子液体[BPy][BF4]与乙腈混合体系中杜醌的光化学反应动力学[J].物理化学学报,2015,(3):419-424,6.基金项目
The project was supported by the National Natural Science Foundation of China (21173002) and Natural Science Foundation of Anhui Province, China (1308085MB20).国家自然科学基金(21173002)和安徽省自然科学基金(1308085MB20)资助项目 （21173002）
