Modulating the luminescent performances on blue-emitting coordination polymers via tuning the end-solvent molecules

In this paper, a series of coordination polymers, {[Zn(adb)(L1) 2 ]·solvent} n (L1 = solvent = N , N -dimethylacetamide, Hui-3-DMA ; L1 = N , N -dimethylformamide and no solvent, Hui-3-DMF ; L1 = N , N -diethylformamide and no solvent, Hui-3-DEF ) have been synthesized by hydrothermal reactions of Z...

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Bibliographic Details
Published in:CrystEngComm 2023-07, Vol.25 (27), p.3896-3903
Main Authors: Hu, Hui, Zhang, Zhen-Wei, Zhang, Da-Shuai, Zhou, Xue, Ji, Hui, Zhang, Yong-Zheng, Deng, Yuchen, Geng, Longlong, Zhang, Xiuling, Lv, Chao, Wei, Rongmin, Wang, Jin-Hua
Format: Article
Language:English
Subjects:
Anthracene
Chemical synthesis
Coordination polymers
Dimethyl acetamide
Dimethylformamide
Emission analysis
Emission spectra
Fluorescence
Hydrothermal reactions
Solvents
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Summary:In this paper, a series of coordination polymers, {[Zn(adb)(L1) 2 ]·solvent} n (L1 = solvent = N , N -dimethylacetamide, Hui-3-DMA ; L1 = N , N -dimethylformamide and no solvent, Hui-3-DMF ; L1 = N , N -diethylformamide and no solvent, Hui-3-DEF ) have been synthesized by hydrothermal reactions of Zn(NO 3 ) 3 ·6H 2 O and 4,4′-(anthracene-9,10-diyl)dibenzoic acid (H 2 adb). These compounds show similar one-dimensional (1D) zig-zag chain structures, which are limited by the end-coordination of the solvent molecules. Interestingly, these compounds all show blue-emission properties, which could be easily modulated by using different solvents. Among them, Hui-3-DMA presents an excellent quantum yield performance, as high as to 54.1%, which is very promising for blue-emission materials. Moreover, various-temperature fluorescence studies reveal good linear or exponential decline trends for their emission intensity as temperature increases, demonstrating the potential of these compounds as fluorescent thermometers.
ISSN:1466-8033
1466-8033
DOI:10.1039/D3CE00551H