Visible Light-Induced Room-Temperature Formaldehyde Gas Sensor Based on Porous Three-Dimensional ZnO Nanorod Clusters with Rich Oxygen Vacancies.

ABSTRACT: Oxygen vacancy (V_O) is a kind of primary point defect that extensively exists in semiconductor metal oxides (SMOs). Owing to some of its inherent qualities, an artificial manipulation of V_O content in one material has evolved into a hot research field, which is deemed to be capable of modulating band structures and surface characteristics of SMOs. Specific to the gas-sensing area, V_O engineering of sensing materials has become an effective means in enhancing sensor response and inducing light-enhanced sensing. In this work, a high-efficiency microwave hydrothermal treatment was utilized to prepare a V_O-rich ZnO sample without additional reagents. The X-ray photoelectron spectroscopy test revealed a significant increase in V_O proportion

SUBMITTER: Zhang B 

PROVIDER: S-EPMC9260931 | biostudies-literature | 2022 Jul

REPOSITORIES: biostudies-literature