高选择和高灵敏检测溶液和气相中硫化氢的新型萘酰亚胺类开启型荧光探针  

A Novel Turn-On Fluorescent Probe Based on Naphthalimide for Highly Selective and Sensitive Detection of Hydrogen Sulfide in Solution and Gas

作　　者：周五 彭敏 梁庆祥 吴爱斌[1,2,3] 舒文明 余维初 Zhou Wu;Peng Min;Liang Qingxiang;Wu Aibin;Shu Wenming;Yu Weichu(School of Chemistry and Environmental Engineering,Yangtze University,Jingzhou,Hubei 434023;Unconventional Oil and Gas Collaborative Innovation Center,Yangtze University,Jingzhou,Hubei 434023;Hubei Engineering Research Centers for Clean Production and Pollution Control of Oil and Gas Fields,Yangtze University,Jingzhou,Hubei 434023)

机构地区：[1]长江大学化学与环境工程学院,湖北荆州434023 [2]长江大学非常规油气协同创新中心,湖北荆州434023 [3]油气田清洁生产与污染控制湖北省工程研究中心,湖北荆州434023

出　　处：《有机化学》2023年第12期4277-4283,共7页Chinese Journal of Organic Chemistry

基　　金：国家自然科学基金(No.52274029)资助项目.

摘　　要：构建了一种用于硫化氢检测的新型萘酰亚胺类开启型荧光探针(NPHQ).因硫化氢亲核效应促使NPHQ中萘醌结构离解,导致探针分子中的光诱导电子转移(PET)效应消失和萘酰亚胺分子内电荷转移(ICT)效应恢复,而呈现出强烈的荧光开启效应.NPHQ荧光强度对0~0.5μmol/L硫化氢呈线性增强,检测限为1.68 nmol/L.NPHQ具备的高选择性、高灵敏度和荧光开启响应,使其在溶液和气相中检测硫化氢,具有较好的应用前景和价值.A novel turn-on fluorescent probe(NPHQ)based on naphthalimide had been constructed to detect hydrogen sulfide.The nucleophilic effect of hydrogen sulfide induced the decomposition of naphthoquinone structure,which resulted in the disappearance of photo-induced electron transfer(PET)of NPHQ and recovery of intramolecular charge transfer(ICT)of naphthalimide.The fluorescence intensities of NPHQ showed a linear enhancement response to hydrogen sulfide in the concentration range of 0~0.5μmol/L with limit of detection of 1.68 nmol/L.Moreover,NPHQ held promising application prospects for detecting hydrogen sulfide in solution and gas based on its high selectivity,sensitivity and specific turn-on emission.

关 键 词：硫化氢 荧光探针 开启型 萘酰亚胺 溶液和气相 

分 类 号：O657.3[理学—分析化学]