Recent advances in the development of defective black TiO2 nanomaterials for application in energy and environmental sustainability: A review
The energy crisis and environmental water pollution have become two of the most significant barriers to social and economic development owing to the rapid growth of industry and civilization. Consequently, it is vital to urgently seek out alternative energy solutions and implement strategies to miti...
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| Language: | English |
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Elsevier
2025-06-01
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| Series: | Results in Engineering |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2590123025009442 |
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| author | Ntakadzeni Madima Nyiko M. Chauke Siphelo Ngqoloda Olga K. Mmelesi Mpfunzeni Raphulu |
| author_facet | Ntakadzeni Madima Nyiko M. Chauke Siphelo Ngqoloda Olga K. Mmelesi Mpfunzeni Raphulu |
| author_sort | Ntakadzeni Madima |
| collection | DOAJ |
| description | The energy crisis and environmental water pollution have become two of the most significant barriers to social and economic development owing to the rapid growth of industry and civilization. Consequently, it is vital to urgently seek out alternative energy solutions and implement strategies to mitigate water pollution. Over the years, catalysis-based technologies have been extensively researched to address energy and environmental challenges. Among a variety of catalysts employed, titanium dioxide (TiO2) stands out as the most notable catalyst that has garnered considerable attention in tackling the issues mentioned above. However, due to its wide energy bandgap, the photocatalytic efficiency of TiO2 is confined to the ultraviolet (UV) region of the spectrum. Subsequently, an effective approach to enhance the utilization of TiO2 as a catalyst is to extend its light absorption into the visible spectrum. Additionally, pure TiO2 exhibits low electrical conductivity, which restricts its practical application in energy fields. In the past decade, defective black TiO2 has emerged as an effective catalyst due to its broader light response range in both visible and even near-infrared regions, as well as its improved conductivity. Therefore, this paper briefly reviews the advancements in defective black TiO2-based catalysts aimed at addressing the energy crisis and environmental water pollution. The purpose of this review is to provide an up-to-date overview and encourage further research in this relevant field by focusing on the properties, synthesis, and application of defective black TiO2-based catalysts. |
| format | Article |
| id | doaj-art-809113c120fb4eceb534e68096096429 |
| institution | OA Journals |
| issn | 2590-1230 |
| language | English |
| publishDate | 2025-06-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Results in Engineering |
| spelling | doaj-art-809113c120fb4eceb534e680960964292025-08-20T02:17:27ZengElsevierResults in Engineering2590-12302025-06-012610486810.1016/j.rineng.2025.104868Recent advances in the development of defective black TiO2 nanomaterials for application in energy and environmental sustainability: A reviewNtakadzeni Madima0Nyiko M. Chauke1Siphelo Ngqoloda2Olga K. Mmelesi3Mpfunzeni Raphulu4Advanced Materials Division, Mintek, Private Bag X3015, Randburg, Gauteng Province, South Africa; Corresponding author.Advanced Materials Division, Mintek, Private Bag X3015, Randburg, Gauteng Province, South AfricaAdvanced Materials Division, Mintek, Private Bag X3015, Randburg, Gauteng Province, South AfricaInstitute for Catalysis and Energy Solutions, College of Science, Engineering and Technology, University of South Africa, FL, 1709 Johannesburg, South AfricaAdvanced Materials Division, Mintek, Private Bag X3015, Randburg, Gauteng Province, South AfricaThe energy crisis and environmental water pollution have become two of the most significant barriers to social and economic development owing to the rapid growth of industry and civilization. Consequently, it is vital to urgently seek out alternative energy solutions and implement strategies to mitigate water pollution. Over the years, catalysis-based technologies have been extensively researched to address energy and environmental challenges. Among a variety of catalysts employed, titanium dioxide (TiO2) stands out as the most notable catalyst that has garnered considerable attention in tackling the issues mentioned above. However, due to its wide energy bandgap, the photocatalytic efficiency of TiO2 is confined to the ultraviolet (UV) region of the spectrum. Subsequently, an effective approach to enhance the utilization of TiO2 as a catalyst is to extend its light absorption into the visible spectrum. Additionally, pure TiO2 exhibits low electrical conductivity, which restricts its practical application in energy fields. In the past decade, defective black TiO2 has emerged as an effective catalyst due to its broader light response range in both visible and even near-infrared regions, as well as its improved conductivity. Therefore, this paper briefly reviews the advancements in defective black TiO2-based catalysts aimed at addressing the energy crisis and environmental water pollution. The purpose of this review is to provide an up-to-date overview and encourage further research in this relevant field by focusing on the properties, synthesis, and application of defective black TiO2-based catalysts.http://www.sciencedirect.com/science/article/pii/S2590123025009442Black TiO2Ti3+ ionsOxygen vacanciesEnergyEnvironmental remediation |
| spellingShingle | Ntakadzeni Madima Nyiko M. Chauke Siphelo Ngqoloda Olga K. Mmelesi Mpfunzeni Raphulu Recent advances in the development of defective black TiO2 nanomaterials for application in energy and environmental sustainability: A review Results in Engineering Black TiO2 Ti3+ ions Oxygen vacancies Energy Environmental remediation |
| title | Recent advances in the development of defective black TiO2 nanomaterials for application in energy and environmental sustainability: A review |
| title_full | Recent advances in the development of defective black TiO2 nanomaterials for application in energy and environmental sustainability: A review |
| title_fullStr | Recent advances in the development of defective black TiO2 nanomaterials for application in energy and environmental sustainability: A review |
| title_full_unstemmed | Recent advances in the development of defective black TiO2 nanomaterials for application in energy and environmental sustainability: A review |
| title_short | Recent advances in the development of defective black TiO2 nanomaterials for application in energy and environmental sustainability: A review |
| title_sort | recent advances in the development of defective black tio2 nanomaterials for application in energy and environmental sustainability a review |
| topic | Black TiO2 Ti3+ ions Oxygen vacancies Energy Environmental remediation |
| url | http://www.sciencedirect.com/science/article/pii/S2590123025009442 |
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