Solar-Light-Driven N-TiO<sub>2</sub>-SiO<sub>2</sub> Photocatalytic Activity on the Simultaneous Removal of Bisphenol-A and <i>Escherichia coli</i>
N-doped TiO2-SiO2 nanocomposites were synthesized using a facile sol-gel method and characterized through various techniques. Their photocatalytic performance was assessed by degrading BPA (10 mg L−1) and inactivating Escherichia coli (~109 CFU mL−1) under single and dual contaminant conditions usin...
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Department of Chemistry, Universitas Gadjah Mada
2025-03-01
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| Series: | Indonesian Journal of Chemistry |
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| Online Access: | https://jurnal.ugm.ac.id/ijc/article/view/99313 |
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| author | Minh Vien Le Trung Tan Tran Anh Hoang Hoang Hien Thao Nguyen Vu Truong-Son Le Van Hoang Luan Manh Thang Ngo |
| author_facet | Minh Vien Le Trung Tan Tran Anh Hoang Hoang Hien Thao Nguyen Vu Truong-Son Le Van Hoang Luan Manh Thang Ngo |
| author_sort | Minh Vien Le |
| collection | DOAJ |
| description | N-doped TiO2-SiO2 nanocomposites were synthesized using a facile sol-gel method and characterized through various techniques. Their photocatalytic performance was assessed by degrading BPA (10 mg L−1) and inactivating Escherichia coli (~109 CFU mL−1) under single and dual contaminant conditions using a 26 W solar light simulator. Among the synthesized materials, the N-TiO2-SiO2 nanocomposite with a 10% N:Ti molar ratio (TS5N10) demonstrated the highest photocatalytic activity, achieving 83.9% BPA degradation and complete E. coli disinfection in single contaminant systems after 4 h of irradiation. Notably, TS5N10 exhibited robust performance even in dual-contaminant scenarios involving BPA and E. coli. Mechanistic investigations identified photo-generated holes as the dominant reactive species. The superior performance of TS5N10 was attributed to its nanostructure, high specific surface area, strong light absorption, and reduced photoinduced electron-hole recombination. These results highlight the potential of TS5N10 for practical water treatment applications. |
| format | Article |
| id | doaj-art-3286c02f3e1f4514a5386c68e046f0a2 |
| institution | DOAJ |
| issn | 1411-9420 2460-1578 |
| language | English |
| publishDate | 2025-03-01 |
| publisher | Department of Chemistry, Universitas Gadjah Mada |
| record_format | Article |
| series | Indonesian Journal of Chemistry |
| spelling | doaj-art-3286c02f3e1f4514a5386c68e046f0a22025-08-20T03:08:33ZengDepartment of Chemistry, Universitas Gadjah MadaIndonesian Journal of Chemistry1411-94202460-15782025-03-0125245847010.22146/ijc.9931337151Solar-Light-Driven N-TiO<sub>2</sub>-SiO<sub>2</sub> Photocatalytic Activity on the Simultaneous Removal of Bisphenol-A and <i>Escherichia coli</i>Minh Vien Le0Trung Tan Tran1Anh Hoang Hoang2Hien Thao Nguyen3Vu Truong-Son Le4Van Hoang Luan5Manh Thang Ngo6Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City 700000, Vietnam; Vietnam National University Ho Chi Minh City, Linh Trung Ward, Thu Duc, Ho Chi Minh City 700000, VietnamFaculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City 700000, Vietnam; Vietnam National University Ho Chi Minh City, Linh Trung Ward, Thu Duc, Ho Chi Minh City 700000, VietnamFaculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City 700000, Vietnam; Vietnam National University Ho Chi Minh City, Linh Trung Ward, Thu Duc, Ho Chi Minh City 700000, VietnamFaculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City 700000, Vietnam; Vietnam National University Ho Chi Minh City, Linh Trung Ward, Thu Duc, Ho Chi Minh City 700000, VietnamUniversity of Science and Education, University of Danang, 459 Ton Duc Thang Street, Da Nang City 550000, VietnamFaculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City 700000, Vietnam; Vietnam National University Ho Chi Minh City, Linh Trung Ward, Thu Duc, Ho Chi Minh City 700000, VietnamFaculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City 700000, Vietnam; Vietnam National University Ho Chi Minh City, Linh Trung Ward, Thu Duc, Ho Chi Minh City 700000, VietnamN-doped TiO2-SiO2 nanocomposites were synthesized using a facile sol-gel method and characterized through various techniques. Their photocatalytic performance was assessed by degrading BPA (10 mg L−1) and inactivating Escherichia coli (~109 CFU mL−1) under single and dual contaminant conditions using a 26 W solar light simulator. Among the synthesized materials, the N-TiO2-SiO2 nanocomposite with a 10% N:Ti molar ratio (TS5N10) demonstrated the highest photocatalytic activity, achieving 83.9% BPA degradation and complete E. coli disinfection in single contaminant systems after 4 h of irradiation. Notably, TS5N10 exhibited robust performance even in dual-contaminant scenarios involving BPA and E. coli. Mechanistic investigations identified photo-generated holes as the dominant reactive species. The superior performance of TS5N10 was attributed to its nanostructure, high specific surface area, strong light absorption, and reduced photoinduced electron-hole recombination. These results highlight the potential of TS5N10 for practical water treatment applications.https://jurnal.ugm.ac.id/ijc/article/view/99313bisphenol a degradationescherichia coli inactivationphotocatalysissimultaneous removaltio2 |
| spellingShingle | Minh Vien Le Trung Tan Tran Anh Hoang Hoang Hien Thao Nguyen Vu Truong-Son Le Van Hoang Luan Manh Thang Ngo Solar-Light-Driven N-TiO<sub>2</sub>-SiO<sub>2</sub> Photocatalytic Activity on the Simultaneous Removal of Bisphenol-A and <i>Escherichia coli</i> Indonesian Journal of Chemistry bisphenol a degradation escherichia coli inactivation photocatalysis simultaneous removal tio2 |
| title | Solar-Light-Driven N-TiO<sub>2</sub>-SiO<sub>2</sub> Photocatalytic Activity on the Simultaneous Removal of Bisphenol-A and <i>Escherichia coli</i> |
| title_full | Solar-Light-Driven N-TiO<sub>2</sub>-SiO<sub>2</sub> Photocatalytic Activity on the Simultaneous Removal of Bisphenol-A and <i>Escherichia coli</i> |
| title_fullStr | Solar-Light-Driven N-TiO<sub>2</sub>-SiO<sub>2</sub> Photocatalytic Activity on the Simultaneous Removal of Bisphenol-A and <i>Escherichia coli</i> |
| title_full_unstemmed | Solar-Light-Driven N-TiO<sub>2</sub>-SiO<sub>2</sub> Photocatalytic Activity on the Simultaneous Removal of Bisphenol-A and <i>Escherichia coli</i> |
| title_short | Solar-Light-Driven N-TiO<sub>2</sub>-SiO<sub>2</sub> Photocatalytic Activity on the Simultaneous Removal of Bisphenol-A and <i>Escherichia coli</i> |
| title_sort | solar light driven n tio sub 2 sub sio sub 2 sub photocatalytic activity on the simultaneous removal of bisphenol a and i escherichia coli i |
| topic | bisphenol a degradation escherichia coli inactivation photocatalysis simultaneous removal tio2 |
| url | https://jurnal.ugm.ac.id/ijc/article/view/99313 |
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