An Account on BiVO4 as Photocatalytic Active Matter

An Account on BiVO4 as Photocatalytic Active Matter

March 15, 2024 | Sandra Heckel, Martin Wittmann, Marc Reid, Katherine Villa, Juliane Simmchen
This review focuses on the use of BiVO4 as a photocatalytic material for developing light-driven micromotors. BiVO4, with its small band gap and well-defined crystal structures, offers a wide range of properties, including the ability to absorb blue light and efficient spatial electron-hole separation on different crystal facets, leading to active propulsion. The synthesis of different BiVO4 microparticles and their material properties are discussed, highlighting their potential as active micromotors. The review also addresses the challenges in measuring flow fields at the microscale and presents initial results demonstrating the correlation between chemical reactivity and generated flow, leading to active motion. Due to its nontoxic nature, BiVO4-based microswimmers have been used to study applications in sensitive areas such as food technology. The review concludes by discussing the future prospects of BiVO4 in advancing the field of active matter beyond the proof-of-concept stage.This review focuses on the use of BiVO4 as a photocatalytic material for developing light-driven micromotors. BiVO4, with its small band gap and well-defined crystal structures, offers a wide range of properties, including the ability to absorb blue light and efficient spatial electron-hole separation on different crystal facets, leading to active propulsion. The synthesis of different BiVO4 microparticles and their material properties are discussed, highlighting their potential as active micromotors. The review also addresses the challenges in measuring flow fields at the microscale and presents initial results demonstrating the correlation between chemical reactivity and generated flow, leading to active motion. Due to its nontoxic nature, BiVO4-based microswimmers have been used to study applications in sensitive areas such as food technology. The review concludes by discussing the future prospects of BiVO4 in advancing the field of active matter beyond the proof-of-concept stage.
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Understanding An Account on BiVO4 as Photocatalytic Active Matter