Superior photothermal conversion performance of black titanium-based materials
Summary: The application of photothermal conversion technology in the fields of seawater desalination and wastewater treatment stands as a potent approach to alleviating the global water scarcity crisis. In this research, we have successfully synthesized black titanium-based photothermal conversion...
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| Format: | Article |
| Language: | English |
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Elsevier
2025-04-01
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| Series: | iScience |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2589004225004493 |
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| author | Jun Li Enhui Wu Zhong Xu Jing Hou Wenjing Peng Hong Li Xiang Li |
| author_facet | Jun Li Enhui Wu Zhong Xu Jing Hou Wenjing Peng Hong Li Xiang Li |
| author_sort | Jun Li |
| collection | DOAJ |
| description | Summary: The application of photothermal conversion technology in the fields of seawater desalination and wastewater treatment stands as a potent approach to alleviating the global water scarcity crisis. In this research, we have successfully synthesized black titanium-based photothermal conversion materials utilizing the aluminothermic reduction method. The experimental results demonstrate that the crafted black TiO2 exhibits a notable overall solar energy absorptivity of 65.7% and a photothermal conversion efficiency of 87.5%. Notably, the black Magneli phase titanium oxide (Ti4O7 and Ti5O9), derived from nanorutile TiO2, exhibits an even more impressive overall solar absorptivity of 83.4% and a photothermal conversion efficiency of 93.8%. Under a light intensity of 5 kW/m2, this material achieves an evaporation rate of 4.4 kg m−2·h−1 and an evaporation efficiency of 63%, underscoring its vast potential for applications in wastewater purification and seawater desalination. |
| format | Article |
| id | doaj-art-f4e8c05ddefb43e0a907ef1c0b0ad4e1 |
| institution | DOAJ |
| issn | 2589-0042 |
| language | English |
| publishDate | 2025-04-01 |
| publisher | Elsevier |
| record_format | Article |
| series | iScience |
| spelling | doaj-art-f4e8c05ddefb43e0a907ef1c0b0ad4e12025-08-20T02:50:56ZengElsevieriScience2589-00422025-04-0128411218810.1016/j.isci.2025.112188Superior photothermal conversion performance of black titanium-based materialsJun Li0Enhui Wu1Zhong Xu2Jing Hou3Wenjing Peng4Hong Li5Xiang Li6Panzhihua University, Panzhihua 617000, China; Vanadium and Titanium Resources Comprehensive Utilization Key Laboratory of Sichuan Province, Panzhihua 617000, China; Corresponding authorPanzhihua University, Panzhihua 617000, China; Vanadium and Titanium Resources Comprehensive Utilization Key Laboratory of Sichuan Province, Panzhihua 617000, ChinaPanzhihua University, Panzhihua 617000, China; Vanadium and Titanium Resources Comprehensive Utilization Key Laboratory of Sichuan Province, Panzhihua 617000, ChinaPanzhihua University, Panzhihua 617000, China; Vanadium and Titanium Resources Comprehensive Utilization Key Laboratory of Sichuan Province, Panzhihua 617000, ChinaPanzhihua University, Panzhihua 617000, China; Vanadium and Titanium Resources Comprehensive Utilization Key Laboratory of Sichuan Province, Panzhihua 617000, ChinaPanzhihua University, Panzhihua 617000, China; Vanadium and Titanium Resources Comprehensive Utilization Key Laboratory of Sichuan Province, Panzhihua 617000, ChinaPanzhihua University, Panzhihua 617000, China; Vanadium and Titanium Resources Comprehensive Utilization Key Laboratory of Sichuan Province, Panzhihua 617000, ChinaSummary: The application of photothermal conversion technology in the fields of seawater desalination and wastewater treatment stands as a potent approach to alleviating the global water scarcity crisis. In this research, we have successfully synthesized black titanium-based photothermal conversion materials utilizing the aluminothermic reduction method. The experimental results demonstrate that the crafted black TiO2 exhibits a notable overall solar energy absorptivity of 65.7% and a photothermal conversion efficiency of 87.5%. Notably, the black Magneli phase titanium oxide (Ti4O7 and Ti5O9), derived from nanorutile TiO2, exhibits an even more impressive overall solar absorptivity of 83.4% and a photothermal conversion efficiency of 93.8%. Under a light intensity of 5 kW/m2, this material achieves an evaporation rate of 4.4 kg m−2·h−1 and an evaporation efficiency of 63%, underscoring its vast potential for applications in wastewater purification and seawater desalination.http://www.sciencedirect.com/science/article/pii/S2589004225004493Materials applicationMaterials characterizationMaterials science |
| spellingShingle | Jun Li Enhui Wu Zhong Xu Jing Hou Wenjing Peng Hong Li Xiang Li Superior photothermal conversion performance of black titanium-based materials iScience Materials application Materials characterization Materials science |
| title | Superior photothermal conversion performance of black titanium-based materials |
| title_full | Superior photothermal conversion performance of black titanium-based materials |
| title_fullStr | Superior photothermal conversion performance of black titanium-based materials |
| title_full_unstemmed | Superior photothermal conversion performance of black titanium-based materials |
| title_short | Superior photothermal conversion performance of black titanium-based materials |
| title_sort | superior photothermal conversion performance of black titanium based materials |
| topic | Materials application Materials characterization Materials science |
| url | http://www.sciencedirect.com/science/article/pii/S2589004225004493 |
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