Interface Defects and Carrier Regulation in MOF-Derived Co3O4/In2O3 Composite Materials for Enhanced Selective Detection of HCHO
Yi Chen,
Dongmei Han,
Zhihua Wang
et al.
Abstract:Gas sensors for real-time monitoring of low HCHO concentrations have promising applications in the field of health protection and air treatment, and this work reports a novel resistive gas sensor with high sensitivity and selectivity to HCHO. The MOFderived hollow In 2 O 3 was mixed with ZIF-67(Co) and calcined twice to obtain a hollow Co 3 O 4 /In 2 O 3 (hereafter collectively termed MZO-6) composite enriched with oxygen vacancies, and tests such as XPS and EPR proved that the strong interfacial electronic co… Show more
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