Study on the photocatalytic property of La-doped CoO/SrTiO3 for water decomposition to hydrogen |
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| Affiliation: | 1. Department of Natural and Mathematic Sciences, Turin Polytechnic University in Tashkent, Malaya Kolsevaya Street 17, Tashkent 100095, Uzbekistan;2. Department of Environmental Science and Technology, Faculty of Engineering, Shinshu University, 4-17-1 Wakasato, Nagano 380-8553, Japan;3. Fachbereich Material-und Geowissenschaften, Technische Universität Darmstadt, Jovanka-Bontschits-str. 2, Darmstadt 64287, Germany;4. School of Mechanical, Materials and Energy Engineering, Indian Institute of Technology Ropar, Nangal Road, Rupnagar 140001, Punjab, India;1. MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, People’s Republic of China;2. Institute of New Catalytic Materials Science, School of Materials Science and Engineering, Nankai University, Tianjin 300350, People’s Republic of China;3. National Institute of Advanced Materials, Nankai University, Tianjin 300350, People’s Republic of China;4. Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, People’s Republic of China;1. Department of Chemistry, University of Liverpool, Crown Street, Liverpool L69 7ZD, UK;2. Department of Physics and Stephenson Institute for Renewable Energy, University of Liverpool,Oxford Street, Liverpool L69 7ZE, UK;3. Department of Cellular and Molecular Physiology, Institute of Translational Medicine, University of Liverpool, Crown Street, Liverpool L69 3BX, UK;4. School of Physical Sciences, University of Kent, Canterbury CT2 7NH, UK;5. Institute of Integrative Biology, University of Liverpool, Crown Street, Liverpool L69 7ZB, UK;1. Korea Atomic Energy Research Institute, 989-111 Daedeok-daero, Yuseong-gu, Daejeon 305-353, Republic of Korea;2. Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Yuseong-gu, Daejeon 305-701, Republic of Korea |
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| Abstract: | The purpose of this study is to investigate the effect of La doping on the photocatalytic property of CoO/SrTiO3. The experimental results show that a suitable concentration of La doping greatly improved the photocatalytic activity of CoO/SrTiO3. The activity first increased, reached a maximum, and then decreased drastically with increasing doping concentration. The physical properties of the catalyst were characterized using XRD, SEM and UV-visible diffuse reflectance spectra. The influence of loading amount of co-catalyst CoO on the photocatalytic activity of La-doped SrTiO3 was also studied and it was found that the optimum loading amount increased with increasing doping concentration. |
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