Reconsider the fluorescence properties of 5-ASA and its sensing mechanism for iodide ion

doi:10.1016/j.saa.2019.117369

	Reconsider the fluorescence properties of 5-ASA and its sensing mechanism for iodide ion
	Liu, Lei 1,2; Sun, Bingqing 3; Pen, Jiancheng 2; Mao, Yueyuan 2; Ding, Ran 2
刊名	SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
	2019-12-05
卷号	223 页码:8
关键词	I- detecting Potential energy surface Transition state Charge transfer Proton transfer
ISSN号	1386-1425
DOI	10.1016/j.saa.2019.117369
通讯作者	Sun, Bingqing(sunbq@ahstu.edu.cn)
英文摘要	5-ASA shows multiple fluorescence peaks at 408 nm, 480 nm and 500 nm in methanol solution, which can serve as ratiometric sensor for I- . However, fluorescence mechanism of 5-ASA remains controversial and I(- )detecting mechanism is unclear. With the aid of density functional theory and time-dependent density functional theory, this paper has carried out detailed investigations on both aspects at the molecular level. The origins of all the fluorescence peaks of 5-ASA have been assigned and a new fluorescence mechanism is proposed, which is convincing and intrinsically different from previously proposed mechanisms. Based on the new fluorescence mechanism, the I- detecting mechanism is fully addressed. Two I- detecting mechanisms have been proposed and are likely to coexist which lead to the sensitive detection of I-. (C) 2019 Elsevier B.V. All rights reserved.
资助项目	National Natural Science Foundation of China[21804001] ; Materials Science and Engineering Key Discipline Foundation[AKZDXK2015A01]
WOS关键词	INTRAMOLECULAR PROTON-TRANSFER ; SALICYLIC-ACID ; EXCITED-STATE ; BASIS-SETS ; TD-DFT ; PHOTOPHYSICS ; BENCHMARKS ; KELP
WOS研究方向	Spectroscopy
语种	英语
出版者	PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号	WOS:000489293900064
资助机构	National Natural Science Foundation of China ; National Natural Science Foundation of China ; Materials Science and Engineering Key Discipline Foundation ; Materials Science and Engineering Key Discipline Foundation ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Materials Science and Engineering Key Discipline Foundation ; Materials Science and Engineering Key Discipline Foundation ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Materials Science and Engineering Key Discipline Foundation ; Materials Science and Engineering Key Discipline Foundation ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Materials Science and Engineering Key Discipline Foundation ; Materials Science and Engineering Key Discipline Foundation
内容类型	期刊论文
源URL	[http://cas-ir.dicp.ac.cn/handle/321008/172318]
专题	大连化学物理研究所_中国科学院大连化学物理研究所
通讯作者	Sun, Bingqing
作者单位	1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China 2.Anhui Sci & Technol Univ, Coll Chem & Mat Engn, Fengyang 233100, Peoples R China 3.Anhui Sci & Technol Univ, Coll Resource & Environm, Fengyang 233100, Peoples R China
推荐引用方式 GB/T 7714	Liu, Lei,Sun, Bingqing,Pen, Jiancheng,et al. Reconsider the fluorescence properties of 5-ASA and its sensing mechanism for iodide ion[J]. SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY,2019,223:8.
APA	Liu, Lei,Sun, Bingqing,Pen, Jiancheng,Mao, Yueyuan,&Ding, Ran.(2019).Reconsider the fluorescence properties of 5-ASA and its sensing mechanism for iodide ion.SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY,223,8.
MLA	Liu, Lei,et al."Reconsider the fluorescence properties of 5-ASA and its sensing mechanism for iodide ion".SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 223(2019):8.