Plasma electrolytic oxidation (PEO) layers grown on metals and alloys as supported photocatalysts
Plasma electrolytic oxidation (PEO) is a remarkable electrochemical approach that has been extensively researched to develop adherent conversion oxide layers on metals and alloys. These oxide layers, developed on firm conducting support, have been notably investigated for their photocatalytic applic...
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Elsevier
2025-07-01
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| Series: | Next Energy |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2949821X25000225 |
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| author | Viswanathan S. Saji |
| author_facet | Viswanathan S. Saji |
| author_sort | Viswanathan S. Saji |
| collection | DOAJ |
| description | Plasma electrolytic oxidation (PEO) is a remarkable electrochemical approach that has been extensively researched to develop adherent conversion oxide layers on metals and alloys. These oxide layers, developed on firm conducting support, have been notably investigated for their photocatalytic applications. The TiO2 layers developed on titanium and its alloys have been extensively studied. The PEO of aluminum, magnesium, zinc, niobium, zirconium, tantalum, and steel have also been explored. The catalytic activity of the developed oxide layer can be boosted by various approaches, such as doping and heterojunction formation via in-situ integration or post-impregnation of the active components. The present review comprehensively accounts for PEO-derived photocatalysts in different applications, providing a reliable source of information for researchers in the field. The sections are classified based on the base substrate metal used for PEO. The role of PEO parameters in deciding the developed layers' photocatalytic activity is discussed. Doping/heterojunctions with nonmetals, transition/post-transition metals, precious metals, rare earths, nanocarbons, and others are detailed. |
| format | Article |
| id | doaj-art-fd496fccc6d144dca4c39eec0b5e3d19 |
| institution | DOAJ |
| issn | 2949-821X |
| language | English |
| publishDate | 2025-07-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Next Energy |
| spelling | doaj-art-fd496fccc6d144dca4c39eec0b5e3d192025-08-20T03:15:16ZengElsevierNext Energy2949-821X2025-07-01810025910.1016/j.nxener.2025.100259Plasma electrolytic oxidation (PEO) layers grown on metals and alloys as supported photocatalystsViswanathan S. Saji0Corresponding author.; Interdisciplinary Research Center for Advanced Materials, King Fahd University of Petroleum & Minerals, Dhahran 31261, Saudi ArabiaPlasma electrolytic oxidation (PEO) is a remarkable electrochemical approach that has been extensively researched to develop adherent conversion oxide layers on metals and alloys. These oxide layers, developed on firm conducting support, have been notably investigated for their photocatalytic applications. The TiO2 layers developed on titanium and its alloys have been extensively studied. The PEO of aluminum, magnesium, zinc, niobium, zirconium, tantalum, and steel have also been explored. The catalytic activity of the developed oxide layer can be boosted by various approaches, such as doping and heterojunction formation via in-situ integration or post-impregnation of the active components. The present review comprehensively accounts for PEO-derived photocatalysts in different applications, providing a reliable source of information for researchers in the field. The sections are classified based on the base substrate metal used for PEO. The role of PEO parameters in deciding the developed layers' photocatalytic activity is discussed. Doping/heterojunctions with nonmetals, transition/post-transition metals, precious metals, rare earths, nanocarbons, and others are detailed.http://www.sciencedirect.com/science/article/pii/S2949821X25000225Plasma electrolytic oxidationPhotocatalysisTiO2DopingHetrojunctions |
| spellingShingle | Viswanathan S. Saji Plasma electrolytic oxidation (PEO) layers grown on metals and alloys as supported photocatalysts Next Energy Plasma electrolytic oxidation Photocatalysis TiO2 Doping Hetrojunctions |
| title | Plasma electrolytic oxidation (PEO) layers grown on metals and alloys as supported photocatalysts |
| title_full | Plasma electrolytic oxidation (PEO) layers grown on metals and alloys as supported photocatalysts |
| title_fullStr | Plasma electrolytic oxidation (PEO) layers grown on metals and alloys as supported photocatalysts |
| title_full_unstemmed | Plasma electrolytic oxidation (PEO) layers grown on metals and alloys as supported photocatalysts |
| title_short | Plasma electrolytic oxidation (PEO) layers grown on metals and alloys as supported photocatalysts |
| title_sort | plasma electrolytic oxidation peo layers grown on metals and alloys as supported photocatalysts |
| topic | Plasma electrolytic oxidation Photocatalysis TiO2 Doping Hetrojunctions |
| url | http://www.sciencedirect.com/science/article/pii/S2949821X25000225 |
| work_keys_str_mv | AT viswanathanssaji plasmaelectrolyticoxidationpeolayersgrownonmetalsandalloysassupportedphotocatalysts |