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High-performance trimethylamine gas sensors based on defect-engineering MOF-derived ZnO nanoclusters with tunable surface oxygen vacancies

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First Author : Yu, Shaoyuan

Correspondence Author : Zhu Hang,Yang Tianye

Date of Publication : 2022-12-20

Journal : JOURNAL OF MATERIALS CHEMISTRY A

Included Journals : SCI  

Abstract : In this study, we have successfully fabricated high-performance trimethylamine (TMA) sensors. Defect-engineering (DE) strategy in which two organic ligands, i.e., dicarboxylate and tricarboxylate coordinated with Zn2+ ions, simultaneously, was adopted to obtain MOF-derived ZnO nanoclusters with tunable surface oxygen vacancies after the annealing process. The coordinate competition is expected to introduce more coordinate unsaturated metal sites (CUSs) in MOF materials and thus introduce more oxygen vacancies in MOF-derived materials. Results of gas sensing tests indicate that the dual ligand

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Pre One : Fast triethylamine gas sensing performance based on In2O3 nanocuboids