Highly Luminescent Metal-Organic Frameworks Based on an Aggregation-Induced Emission Ligand as Chemical Sensors for Nitroaromatic Compounds

Fang Ming Wang; Lei Zhou; William P. Lustig; Zhichao Hu; Jun Feng Li; Bing Xiang Hu; Li Zhuang Chen; Jing Li

doi:10.1021/acs.cgd.8b00604

Highly Luminescent Metal-Organic Frameworks Based on an Aggregation-Induced Emission Ligand as Chemical Sensors for Nitroaromatic Compounds

Fang Ming Wang, Lei Zhou, William P. Lustig, Zhichao Hu, Jun Feng Li, Bing Xiang Hu, Li Zhuang Chen, Jing Li

Rutgers University

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

17 Citations (Scopus)

Abstract

Three new luminescent metal-organic frameworks (LMOFs) based on d¹⁰ metals (Zn²⁺, Cd²⁺) and the highly emissive aggregation-induced emission ligand 1,1,2,2-tetrakis(4-(4-carboxyphenyl)phenyl)ethene(H₄tcbpe) are reported, with the formulas [Cd₃(tcbpe)_1.5(DMF)(H₂O)₂]·(DMF)₆·(C₂H₅OH)₃ (1), [Zn(tcbpe)(DMF)]·(MeCN) (2), and [Cd(tcbpe)]·(MeCN) (3). Compounds 1 and 2 both emit strong green light with internal quantum yields (IQYs) as high as 66.8% and 65.7%, respectively, while compound 3 emits bluish green light with 37.2% IQY. A solution-phase sensing study shows that 1 has the highest sensitivity to nitroaromatic compounds and demonstrates that it is potentially useful as a luminescence-based chemical sensor. Density functional theory calculations are used to explain the sensing mechanism and relative sensitivity of compound 1 to various nitroaromatic compounds.

Original language	English
Pages (from-to)	5166-5173
Number of pages	8
Journal	Crystal Growth and Design
Volume	18
Issue number	9
DOIs	https://doi.org/10.1021/acs.cgd.8b00604
Publication status	Published - Sep 5 2018

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

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Highly Luminescent Metal-Organic Frameworks Based on an Aggregation-Induced Emission Ligand as Chemical Sensors for Nitroaromatic Compounds. / Wang, Fang Ming; Zhou, Lei; Lustig, William P.; Hu, Zhichao; Li, Jun Feng; Hu, Bing Xiang; Chen, Li Zhuang; Li, Jing.

In: Crystal Growth and Design, Vol. 18, No. 9, 05.09.2018, p. 5166-5173.

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

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title = "Highly Luminescent Metal-Organic Frameworks Based on an Aggregation-Induced Emission Ligand as Chemical Sensors for Nitroaromatic Compounds",

abstract = "Three new luminescent metal-organic frameworks (LMOFs) based on d10 metals (Zn2+, Cd2+) and the highly emissive aggregation-induced emission ligand 1,1,2,2-tetrakis(4-(4-carboxyphenyl)phenyl)ethene(H4tcbpe) are reported, with the formulas [Cd3(tcbpe)1.5(DMF)(H2O)2]·(DMF)6·(C2H5OH)3 (1), [Zn(tcbpe)(DMF)]·(MeCN) (2), and [Cd(tcbpe)]·(MeCN) (3). Compounds 1 and 2 both emit strong green light with internal quantum yields (IQYs) as high as 66.8% and 65.7%, respectively, while compound 3 emits bluish green light with 37.2% IQY. A solution-phase sensing study shows that 1 has the highest sensitivity to nitroaromatic compounds and demonstrates that it is potentially useful as a luminescence-based chemical sensor. Density functional theory calculations are used to explain the sensing mechanism and relative sensitivity of compound 1 to various nitroaromatic compounds.",

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