TiO2 nanoparticles with superior hydrogen evolution and pollutant degradation performance |
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| Affiliation: | 1. Nanomaterials Research Laboratory, Department of Physical Chemistry, Faculty of Chemistry, University of Tabriz, 51666-16471 Tabriz, Iran;2. Department of Inorganic Chemistry, Faculty of Chemistry, University of Tabriz, 51666-16471 Tabriz, Iran;3. Photocatalysis and Nanotechnology Research Unit, Institute of Technical Chemistry, Leibniz University, Hannover, Hannover, Germany;4. Research Laboratory of Advanced Water and Wastewater Treatment Processes, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, 51666-16471 Tabriz, Iran;5. Electrochemistry Research Laboratory, Department of Physical Chemistry, Faculty of Chemistry, University of Tabriz, 51666-16471 Tabriz, Iran;6. Laboratory “Photoactive Nanocomposite Materials”, Saint-Petersburg State University, Ulyanovskaya str. 1, Peterhof, Saint-Petersburg, 198504, Russia;1. Boreskov Institute of Catalysis, Pr. Akademika Lavrentieva 5, Novosibirsk 630090, Russia;2. Novosibirsk State University, Pirogova Str. 2, Novosibirsk 630090, Russia;3. Siberian Institute of Management ? a Branch of the Russian Presidential Academy of National Economy and Public Administration, Novosibirsk 630102 Russia;1. College of Chemical Engineering, Huaqiao University, Xiamen, 361021, PR China;2. College of Materials Science and Engineering, Fujian University of Technology, Fuzhou, 350118, PR China;1. Nanomaterials Research Laboratory, Department of Physical Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran;2. Department of Inorganic Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran;3. Electrochemistry Research Laboratory, Department of Physical Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran;1. School of Chemistry and Materials Science, Ludong University, Yantai, 264025, China;2. Yantai North China Microwave Technology CO., LTD., Yantai, 264025, China;1. Department of Chemistry, Faculty of Science, Atatürk University, 25240 Erzurum, Turkey;2. Research Laboratory of Advanced Water and Wastewater Treatment Processes, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran |
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| Abstract: | The human life faces serious energy shortage and environmental pollution problems, therefore developing a facile and environmental friendly strategy for synthesizing nanoparticles (NPs) with improved photocatalytic activity could pave the way for different applications. In the present study, one-pot/in-situ fluorine-free synthesis process has been examined toward the solvothermal production of anatase TiO2 nanoparticles with exposed facet orientation. This is an aim to achieve the excellent photocatalytic/photoelectrocatalytic performance. Most importantly addressing the global energy shortage, the synthesized TiO2 NPs represent superior performance in photoelectrocatalytic water splitting toward hydrogen production. The overpotential required to drive the hydrogen evolution reaction was ?391, ?346 and ?283 mV vs. Ag/AgCl for P25, cubic and truncated octahedral NPs, respectively. Additionally, TiO2 NPs with exposed facets represent excellent photocatalytic performance toward environmental purification. As synthesized nanoparticles was examined via photocatalytic degradation of Acid Blue 5 and photocatalytic removal of NO gas. The enhanced photocatalytic and photoelectrocatalytic performance are associated to the effect of exposed facet orientation of final nanoparticles. |
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| Keywords: | Crystal facet Degradation Solvothermal synthesis |
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