Photocatalytic Carbon Dioxide Conversion by Structurally and Materially Modified Titanium Dioxide Nanostructures.

Publisher: MDPI Country of Publication: Switzerland NLM ID: 101092791 Publication Model: Electronic Cited Medium: Internet ISSN: 1422-0067 (Electronic) Linking ISSN: 14220067 NLM ISO Abbreviation: Int J Mol Sci Subsets: MEDLINE

Original Publication: Basel, Switzerland : MDPI, [2000-

Carbon Dioxide* ; Nanostructures*/chemistry; Catalysis ; Titanium/chemistry

TiO 2 has aroused considerable attentions as a promising photocatalytic material for decades due to its superior material properties in several fields such as energy and environment. However, the main dilemmas are its wide bandgap (3-3.2 eV), that restricts the light absorption in limited light wavelength region, and the comparatively high charge carrier recombination rate of TiO 2 , is a hurdle for efficient photocatalytic CO 2 conversion. To tackle these problems, lots of researches have been implemented relating to structural and material modification to improve their material, optical, and electrical properties for more efficient photocatalytic CO 2 conversion. Recent studies illustrate that crystal facet engineering could broaden the performance of the photocatalysts. As same as for nanostructures which have advantages such as improved light absorption, high surface area, directional charge transport, and efficient charge separation. Moreover, strategies such as doping, junction formation, and hydrogenation have resulted in a promoted photocatalytic performance. Such strategies can markedly change the electronic structure that lies behind the enhancement of the solar spectrum harnessing. In this review, we summarize the works that have been carried out for the enhancement of photocatalytic CO 2 conversion by material and structural modification of TiO 2 and TiO 2 -based photocatalytic system. Moreover, we discuss several strategies for synthesis and design of TiO 2 photocatalysts for efficient CO 2 conversion by nanostructure, structure design of photocatalysts, and material modification.

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110-2221-E-110-042 Ministry of Science and Technology, Taiwan

Keywords: CO2 reduction; TiO2; nanostructures and hydrogenation; photocatalysis

142M471B3J (Carbon Dioxide)
15FIX9V2JP (titanium dioxide)
D1JT611TNE (Titanium)

Date Created: 20220728 Date Completed: 20220729 Latest Revision: 20220731

20231215

PMC9330242

10.3390/ijms23158143

35897719