Dual-response fluorescence sensing of H2PO4− and CO32− using AJP filter paper based on a pH-stable CdII-based luminescent metal–organic framework

A new CdII-based luminescent metal–organic framework (LMOF) with the formula {[Cd(BIBT)(NDC)]·solvents}n (JXUST-32, BIBT = 4,7-bi(1H-imidazol-1-yl)benzo-[2,1,3]thiadiazole and H2NDC = 2,6-naphthalenedicarboxylic acid) was successfully synthesized by a solvothermal method. JXUST-32 shows a two-dimens...

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Published inDalton transactions : an international journal of inorganic chemistry Vol. 52; no. 26; pp. 9097 - 9103
Main Authors Xiao-Qin, Cao, Li, Qiang, Shu-Li, Yao, Li-qin, Zhong, Cao, Lei, Yong-Qiang, Chen, Sui-Jun, Liu
Format Journal Article
LanguageEnglish
Published Cambridge Royal Society of Chemistry 04.07.2023
Subjects
Doppler effect
Filter paper
Fluorescence
Jet printing
Light emitting diodes
Metal-organic frameworks
Recyclability
Red shift
Thermal stability
Thiadiazoles
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Summary:A new CdII-based luminescent metal–organic framework (LMOF) with the formula {[Cd(BIBT)(NDC)]·solvents}n (JXUST-32, BIBT = 4,7-bi(1H-imidazol-1-yl)benzo-[2,1,3]thiadiazole and H2NDC = 2,6-naphthalenedicarboxylic acid) was successfully synthesized by a solvothermal method. JXUST-32 shows a two-dimensional (4,4)-connected network and exhibits significant fluorescence red shift and slight enhancement for H2PO4− and CO32− sensing with detection limits of 0.11 and 0.12 μM, respectively. In addition, JXUST-32 has good thermal stability, chemical stability and recyclability. Significantly, JXUST-32 represents a fluorescence red-shift dual response MOF sensor for H2PO4− and CO32− detection and the analytes can be identified by the naked eye, aerosol jet printing filter paper, light-emitting diode beads and luminescent films.
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ISSN:1477-9226
1477-9234
DOI:10.1039/d3dt01240a