Morphology-dependent gas sensing properties of bismuth vanadate nanomaterials: A promising approach for environmental monitoring

Sagadevan, Suresh and Soga, Tetsuo (2024) Morphology-dependent gas sensing properties of bismuth vanadate nanomaterials: A promising approach for environmental monitoring. Inorganic Chemistry Communications, 160. ISSN 1387-7003, DOI https://doi.org/10.1016/j.inoche.2023.111980.

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Abstract

Industrial pollution and its associated activities have significantly increased air pollution levels, thereby posing a major threat to human health and the environment. The respiratory system is particularly affected due to air pollution, with harmful gases causing respiratory illnesses and even sudden death. Numerous regrettable events throughout history have occured due to the release of hazardous gases into the surrounding air. The need of installing effective gas sensors to sense the range of ignitable, toxic, and hazardous gases present in the atmosphere has been highlighted by the numerous gas tragedies that occur globally, including leaks from gas, chemicals, and smoke due to external sources. This review focuses on morphology control, for tailoring the surface properties of gas-sensing materials and to enhance their performance. Bismuth vanadate (BiVO4) has been emerging as a particularly attractive material for gas sensing due to its unique properties, including narrow band gap energy, tunable morphology, and excellent electrical conductivity by controlling the morphology of BiVO4 nanomaterials. Different synthesis methods used to prepare BiVO4 nanostructures with diverse morphologies, such as nanorods, nanoparticles, hierarchical structures, bulky, fusiform, clavate, and flower-patterned were used to examine the morphological effects for gas sensing characteristics. © 2023 Elsevier B.V.

Item Type: Article
Funders: Japan Society for the Promotion of Science [Grant no. S23071]
Uncontrolled Keywords: Bismuth vanadate; Morphology and gas sensing applications; Nanostructures
Subjects: Q Science > QD Chemistry
Divisions: Deputy Vice Chancellor (Research & Innovation) Office > Nanotechnology & Catalysis Research Centre
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 18 Jun 2024 02:14
Last Modified: 18 Jun 2024 02:14
URI: http://eprints.um.edu.my/id/eprint/44862

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