喹嗪并[3,4,5,6-ija]喹啉衍生物的合成及其光解水制氢性能  

Quinazo[3,4,5,6-ija]quinoline Derivatives:Synthesis and Application in Photocatalytic Hydrogen Evolution From Water

作　　者：位春江 徐良轩 刘雪粉[2] 陈浩[1] 任晨超 王天琦 吴庆安[1] 罗书平[1] WEI Chun-Jiang;XU Liang-Xuan;LIU Xue-Fen;CHEN Hao;REN Chen-Chao;WANG Tian-Qi;WU Qing-An;LUO Shu-Ping(State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology,Zhejiang University of Technology,Hangzhou 310014,China;Qianjiang College,Hangzhou Normal University,Hangzhou 310006,China)

机构地区：[1]浙江工业大学,绿色化学合成技术国家重点实验室培育基地,杭州310014 [2]杭州师范大学钱江学院,杭州310006

出　　处：《无机化学学报》2020年第7期1259-1266,共8页Chinese Journal of Inorganic Chemistry

基　　金：国家自然科学基金(No.21376222);浙江省自然科学基金(No.LY18B060011)资助项目。

摘　　要：设计、合成了一系列4,5,9,10-四芳基喹嗪并喹啉衍生物,并在均相光解水制氢体系中研究其光敏活性。研究结果表明,二氯化钯是其有效制氢的催化剂,还原淬灭是光敏剂的主要淬灭途径。通过光电物理化学性能研究表明,这类喹嗪并喹啉衍生物的取代基效应明显,而甲氧基有利于提高其荧光量子效率,最高可达0.48;同时供电子甲氧基取代基能明显提高光敏剂制氢性能,光敏剂3e的制氢总转换数(TON)可达341。A series of 4,5,9,10-tetraaryl-quinazinoquinoline derivatives were synthesized and applied to hydrogen evolution in water splitting as photosensitizers.In this photocatalytic water reduction system,PdCl2 is the most suit-able water reduction catalyst and the reduction quenching is the main quench way for the excited photosensitizers.The substituent effect could explain the structure-activity relationship in photocatalytic water reduction system.The methoxy group as an electron donating substituent was found to increase the turnover number for hydrogen produc-tion(TON)of the derivatives up to 341.Photophysical and electronic chemical characterization of quinazinoquino-line derivatives showed that the methoxy group could increase the fluorescence quantum efficiency of the deriva-tives up to 0.48.

关 键 词：喹嗪并喹啉 光敏剂 光解水 制氢 

分 类 号：O643.36[理学—物理化学] O614.823[理学—化学]