Crystal Design and Photoactivity of TiO<sub>2</sub> Nanorod Template Decorated with Nanostructured Bi<sub>2</sub>S<sub>3</sub> Visible Light Sensitizer
In this study, TiO<sub>2</sub>-Bi<sub>2</sub>S<sub>3</sub> composites with various morphologies were synthesized through hydrothermal vulcanization with sputtering deposited Bi<sub>2</sub>O<sub>3</sub> sacrificial layer method on the TiO<...
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| Format: | Article |
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MDPI AG
2022-10-01
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| Series: | International Journal of Molecular Sciences |
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| Online Access: | https://www.mdpi.com/1422-0067/23/19/12024 |
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| author | Yuan-Chang Liang Shao-Yu You Bo-Yue Chen |
| author_facet | Yuan-Chang Liang Shao-Yu You Bo-Yue Chen |
| author_sort | Yuan-Chang Liang |
| collection | DOAJ |
| description | In this study, TiO<sub>2</sub>-Bi<sub>2</sub>S<sub>3</sub> composites with various morphologies were synthesized through hydrothermal vulcanization with sputtering deposited Bi<sub>2</sub>O<sub>3</sub> sacrificial layer method on the TiO<sub>2</sub> nanorod templates. The morphologies of decorated Bi<sub>2</sub>S<sub>3</sub> nanostructures on the TiO<sub>2</sub> nanorod templates are controlled by the duration of hydrothermal vulcanization treatment. The Bi<sub>2</sub>S<sub>3</sub> crystals in lumpy filament, nanowire, and nanorod feature were decorated on the TiO<sub>2</sub> nanorod template after 1, 3, and 5 h hydrothermal vulcanization, respectively. Comparatively, TiO<sub>2</sub>-Bi<sub>2</sub>S<sub>3</sub> composites with Bi<sub>2</sub>S<sub>3</sub> nanowires exhibit the best photocurrent density, the lowest interfacial resistance value and the highest photodegradation efficiency towards Rhodamine B solution. The possible Z-scheme photoinduced charge separation mechanism and suitable morphology of Bi<sub>2</sub>S<sub>3</sub> nanowires might account for the high photoactivity of TiO<sub>2</sub> nanorod-Bi<sub>2</sub>S<sub>3</sub> nanowire composites. |
| first_indexed | 2024-03-09T21:36:37Z |
| format | Article |
| id | doaj.art-b8ba994db00747b4acdc4e24026c7e5a |
| institution | Directory Open Access Journal |
| issn | 1661-6596 1422-0067 |
| language | English |
| last_indexed | 2024-03-09T21:36:37Z |
| publishDate | 2022-10-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | International Journal of Molecular Sciences |
| spelling | doaj.art-b8ba994db00747b4acdc4e24026c7e5a2023-11-23T20:43:15ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672022-10-0123191202410.3390/ijms231912024Crystal Design and Photoactivity of TiO<sub>2</sub> Nanorod Template Decorated with Nanostructured Bi<sub>2</sub>S<sub>3</sub> Visible Light SensitizerYuan-Chang Liang0Shao-Yu You1Bo-Yue Chen2Department of Optoelectronics and Materials Technology, National Taiwan Ocean University, Keelung 20224, TaiwanDepartment of Optoelectronics and Materials Technology, National Taiwan Ocean University, Keelung 20224, TaiwanDepartment of Optoelectronics and Materials Technology, National Taiwan Ocean University, Keelung 20224, TaiwanIn this study, TiO<sub>2</sub>-Bi<sub>2</sub>S<sub>3</sub> composites with various morphologies were synthesized through hydrothermal vulcanization with sputtering deposited Bi<sub>2</sub>O<sub>3</sub> sacrificial layer method on the TiO<sub>2</sub> nanorod templates. The morphologies of decorated Bi<sub>2</sub>S<sub>3</sub> nanostructures on the TiO<sub>2</sub> nanorod templates are controlled by the duration of hydrothermal vulcanization treatment. The Bi<sub>2</sub>S<sub>3</sub> crystals in lumpy filament, nanowire, and nanorod feature were decorated on the TiO<sub>2</sub> nanorod template after 1, 3, and 5 h hydrothermal vulcanization, respectively. Comparatively, TiO<sub>2</sub>-Bi<sub>2</sub>S<sub>3</sub> composites with Bi<sub>2</sub>S<sub>3</sub> nanowires exhibit the best photocurrent density, the lowest interfacial resistance value and the highest photodegradation efficiency towards Rhodamine B solution. The possible Z-scheme photoinduced charge separation mechanism and suitable morphology of Bi<sub>2</sub>S<sub>3</sub> nanowires might account for the high photoactivity of TiO<sub>2</sub> nanorod-Bi<sub>2</sub>S<sub>3</sub> nanowire composites.https://www.mdpi.com/1422-0067/23/19/12024compositesvulcanizationphotoactivity |
| spellingShingle | Yuan-Chang Liang Shao-Yu You Bo-Yue Chen Crystal Design and Photoactivity of TiO<sub>2</sub> Nanorod Template Decorated with Nanostructured Bi<sub>2</sub>S<sub>3</sub> Visible Light Sensitizer International Journal of Molecular Sciences composites vulcanization photoactivity |
| title | Crystal Design and Photoactivity of TiO<sub>2</sub> Nanorod Template Decorated with Nanostructured Bi<sub>2</sub>S<sub>3</sub> Visible Light Sensitizer |
| title_full | Crystal Design and Photoactivity of TiO<sub>2</sub> Nanorod Template Decorated with Nanostructured Bi<sub>2</sub>S<sub>3</sub> Visible Light Sensitizer |
| title_fullStr | Crystal Design and Photoactivity of TiO<sub>2</sub> Nanorod Template Decorated with Nanostructured Bi<sub>2</sub>S<sub>3</sub> Visible Light Sensitizer |
| title_full_unstemmed | Crystal Design and Photoactivity of TiO<sub>2</sub> Nanorod Template Decorated with Nanostructured Bi<sub>2</sub>S<sub>3</sub> Visible Light Sensitizer |
| title_short | Crystal Design and Photoactivity of TiO<sub>2</sub> Nanorod Template Decorated with Nanostructured Bi<sub>2</sub>S<sub>3</sub> Visible Light Sensitizer |
| title_sort | crystal design and photoactivity of tio sub 2 sub nanorod template decorated with nanostructured bi sub 2 sub s sub 3 sub visible light sensitizer |
| topic | composites vulcanization photoactivity |
| url | https://www.mdpi.com/1422-0067/23/19/12024 |
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