SYNTHESIS OF ZINC CARBOXYLATES METAL–ORGANIC FRAMEWORK FOR SENSING OF NITROAROMATIC COMPOUNDS

Wei Wang, Cheng-Liang Han, Yun Wu, Shou-Yi Wei and Wei-Ping Sheng
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Wei Wang: Analytical Instrumentation Center, Hefei University, Hefei 230601, P. R. China
Cheng-Liang Han: ��School of Energy Materials and Chemical Engineering, Hefei University, Hefei 230601, P. R. China
Yun Wu: ��School of Energy Materials and Chemical Engineering, Hefei University, Hefei 230601, P. R. China
Shou-Yi Wei: ��School of Energy Materials and Chemical Engineering, Hefei University, Hefei 230601, P. R. China
Wei-Ping Sheng: ��School of Energy Materials and Chemical Engineering, Hefei University, Hefei 230601, P. R. China

Surface Review and Letters (SRL), 2021, vol. 28, issue 11, 1-6

Abstract: Novel zinc carboxylates metal–organic frameworks (Zn-MOFs) with different sizes and shapes constructed by Zn(II) ions, succinate and isonicotinate were synthesized by a polymer-assisted method. The samples were characterized by scanning electron microscope, powder X-ray diffraction and fluorescence spectroscopy. Results indicated that the size and shape of the Zn-MOFs could be adjusted by changing the quantity of polyvinyl alcohol (PVA). Fluorescence sensing of 2-nitrotoluene, 4-nitrotoluene and 2,4-dinitrotoluene was also studied and the results revealed that the as-prepared Zn-MOFs with a sheet-like shape were highly sensitive to nitro-compounds and promising to be developed as a novel luminescent sensor for detection in nitroaromatic explosives.

Keywords: Zinc carboxylates metal–organic framework; synthesis; fluorescence; nitroaromatic compounds; quench (search for similar items in EconPapers)
Date: 2021
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DOI: 10.1142/S0218625X21501018

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