Two donor-acceptor (D-A) type Zn(ii) complexes as fluorescent probes for highly selective detection of iodide

Hao Su; Liang Hao; Wajid Hussain; Zhongkui Li; Hui Li

doi:10.1039/c9ce01953g

Two donor-acceptor (D-A) type Zn(ii) complexes as fluorescent probes for highly selective detection of iodide

Hao Su, Liang Hao, Wajid Hussain, Zhongkui Li, Hui Li^*

^*Corresponding author for this work

School of Chemistry and Chemical Engineering

Beijing Institute of Technology

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

Two D-A type Zn(ii) coordination complexes ([Zn₂(L¹)₂(MeCN)(MeOH)]·(MeCN) (1) and [ZnL²(H₂O)] (2)) were synthesized from diaminomaleonitrile-based (DMN) Schiff-base ligands (L¹ = 2-amino-3-[(2-hydroxynaphthalen-1-ylmethylene)-amino]-but-2-enedinitrile, L² = 2-[(4-chloro-2-hydroxybenzylidene)-amino]-3-[(2-hydroxynaphthalen-1-ylmethylene)-amino]-but-2-enedinitrile). Based on the weak blue fluorescence in THF solution and the bright yellow fluorescence in the solid state, the ligand L¹ shows obvious aggregation induced emission (AIE) in a THF-H₂O solvent system. The fluorescence emission of complexes 1 and 2 exhibits a significant red-shift relative to that of the ligand in THF solution. Interestingly, because of aggregation caused by the interaction between L¹ and iodide (I^-), complexes 1 and 2 exhibit excellent selectivity for fluorescence detecting iodide, and the quenching efficiency of 2 with iodide is higher than that of 1.

Original language	English
Pages (from-to)	2103-2109
Number of pages	7
Journal	CrystEngComm
Volume	22
Issue number	11
DOIs	https://doi.org/10.1039/c9ce01953g
Publication status	Published - 21 Mar 2020

Access to Document

10.1039/c9ce01953g

Cite this

@article{4162b1d78c58451e90279c00575b2f17,

title = "Two donor-acceptor (D-A) type Zn(ii) complexes as fluorescent probes for highly selective detection of iodide",

abstract = "Two D-A type Zn(ii) coordination complexes ([Zn2(L1)2(MeCN)(MeOH)]·(MeCN) (1) and [ZnL2(H2O)] (2)) were synthesized from diaminomaleonitrile-based (DMN) Schiff-base ligands (L1 = 2-amino-3-[(2-hydroxynaphthalen-1-ylmethylene)-amino]-but-2-enedinitrile, L2 = 2-[(4-chloro-2-hydroxybenzylidene)-amino]-3-[(2-hydroxynaphthalen-1-ylmethylene)-amino]-but-2-enedinitrile). Based on the weak blue fluorescence in THF solution and the bright yellow fluorescence in the solid state, the ligand L1 shows obvious aggregation induced emission (AIE) in a THF-H2O solvent system. The fluorescence emission of complexes 1 and 2 exhibits a significant red-shift relative to that of the ligand in THF solution. Interestingly, because of aggregation caused by the interaction between L1 and iodide (I-), complexes 1 and 2 exhibit excellent selectivity for fluorescence detecting iodide, and the quenching efficiency of 2 with iodide is higher than that of 1.",

author = "Hao Su and Liang Hao and Wajid Hussain and Zhongkui Li and Hui Li",

note = "Publisher Copyright: This journal is {\textcopyright} The Royal Society of Chemistry.",

year = "2020",

month = mar,

day = "21",

doi = "10.1039/c9ce01953g",

language = "English",

volume = "22",

pages = "2103--2109",

journal = "CrystEngComm",

issn = "1466-8033",

publisher = "Royal Society of Chemistry",

number = "11",

}

TY - JOUR

T1 - Two donor-acceptor (D-A) type Zn(ii) complexes as fluorescent probes for highly selective detection of iodide

AU - Su, Hao

AU - Hao, Liang

AU - Hussain, Wajid

AU - Li, Zhongkui

AU - Li, Hui

PY - 2020/3/21

Y1 - 2020/3/21

N2 - Two D-A type Zn(ii) coordination complexes ([Zn2(L1)2(MeCN)(MeOH)]·(MeCN) (1) and [ZnL2(H2O)] (2)) were synthesized from diaminomaleonitrile-based (DMN) Schiff-base ligands (L1 = 2-amino-3-[(2-hydroxynaphthalen-1-ylmethylene)-amino]-but-2-enedinitrile, L2 = 2-[(4-chloro-2-hydroxybenzylidene)-amino]-3-[(2-hydroxynaphthalen-1-ylmethylene)-amino]-but-2-enedinitrile). Based on the weak blue fluorescence in THF solution and the bright yellow fluorescence in the solid state, the ligand L1 shows obvious aggregation induced emission (AIE) in a THF-H2O solvent system. The fluorescence emission of complexes 1 and 2 exhibits a significant red-shift relative to that of the ligand in THF solution. Interestingly, because of aggregation caused by the interaction between L1 and iodide (I-), complexes 1 and 2 exhibit excellent selectivity for fluorescence detecting iodide, and the quenching efficiency of 2 with iodide is higher than that of 1.

AB - Two D-A type Zn(ii) coordination complexes ([Zn2(L1)2(MeCN)(MeOH)]·(MeCN) (1) and [ZnL2(H2O)] (2)) were synthesized from diaminomaleonitrile-based (DMN) Schiff-base ligands (L1 = 2-amino-3-[(2-hydroxynaphthalen-1-ylmethylene)-amino]-but-2-enedinitrile, L2 = 2-[(4-chloro-2-hydroxybenzylidene)-amino]-3-[(2-hydroxynaphthalen-1-ylmethylene)-amino]-but-2-enedinitrile). Based on the weak blue fluorescence in THF solution and the bright yellow fluorescence in the solid state, the ligand L1 shows obvious aggregation induced emission (AIE) in a THF-H2O solvent system. The fluorescence emission of complexes 1 and 2 exhibits a significant red-shift relative to that of the ligand in THF solution. Interestingly, because of aggregation caused by the interaction between L1 and iodide (I-), complexes 1 and 2 exhibit excellent selectivity for fluorescence detecting iodide, and the quenching efficiency of 2 with iodide is higher than that of 1.

UR - http://www.scopus.com/inward/record.url?scp=85081911470&partnerID=8YFLogxK

U2 - 10.1039/c9ce01953g

DO - 10.1039/c9ce01953g

M3 - Article

AN - SCOPUS:85081911470

SN - 1466-8033

VL - 22

SP - 2103

EP - 2109

JO - CrystEngComm

JF - CrystEngComm

IS - 11

ER -

Two donor-acceptor (D-A) type Zn(ii) complexes as fluorescent probes for highly selective detection of iodide

Abstract

Access to Document

Other files and links

Fingerprint

Cite this