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

Research output: Contribution to journalArticle

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Abstract

Three new luminescent metal-organic frameworks (LMOFs) based on d 10 metals (Zn 2+ , Cd 2+ ) and the highly emissive aggregation-induced emission ligand 1,1,2,2-tetrakis(4-(4-carboxyphenyl)phenyl)ethene(H 4 tcbpe) are reported, with the formulas [Cd 3 (tcbpe) 1.5 (DMF)(H 2 O) 2 ]·(DMF) 6 ·(C 2 H 5 OH) 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 languageEnglish
Pages (from-to)5166-5173
Number of pages8
JournalCrystal Growth and Design
Volume18
Issue number9
DOIs
Publication statusPublished - Sep 5 2018

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Methyl Green
Quantum yield
Chemical sensors
Agglomeration
Metals
Ligands
ligands
sensitivity
sensors
metals
Density functional theory
Luminescence
luminescence
density functional theory
ethylene

ASJC Scopus subject areas

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

Cite this

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 journalArticle

Wang, Fang Ming ; Zhou, Lei ; Lustig, William P. ; Hu, Zhichao ; Li, Jun Feng ; Hu, Bing Xiang ; Chen, Li Zhuang ; Li, Jing. / Highly Luminescent Metal-Organic Frameworks Based on an Aggregation-Induced Emission Ligand as Chemical Sensors for Nitroaromatic Compounds. In: Crystal Growth and Design. 2018 ; Vol. 18, No. 9. pp. 5166-5173.
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