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Synthesis of N-doped TiO2 nanoparticles with enhanced photocatalytic activity for 2,4-dichlorophenol degradation and H2 production
Abstrakt
Nitrogen-doped titanium dioxide (N-TiO2) nanoparticles were prepared using a modified sol-gel method. The as-prepared nanoparticles were characterized by state-of-the-art techniques for their optical, structural and morphological properties. The crystallite size, surface area and bandgap energy of reference TiO2 and N-TiO2 nanoparticles were found to be 16.1 and 10.9 nm, 83.6 and 131.8 m2 g−1 and 3.23 and 2.89 eV, respectively. The photocatalytic activities, in terms of 2,4-dichlorophenol (2,4-DCP) degradation, of reference TiO2 and N-TiO2 were found to be 46.9% and 65.4% at 120 min of treatments under UV light irradiation and 21.5% and 77.6% at 240 min of treatment under visible light irradiation, employing 153.4 µM 2,4-DCP, 1 g/L photocatalyst dosage, and pH 5.6. Interestingly, considerable H2 production rate (i.e., 386 μmol h−1 g−1) was observed for visible/N-TiO2 system in presence of 0.2 wt% Pt. The study revealed that visible/N-TiO2 photocatalytic system can be used as an economically viable technology for environmental sustainability.
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Autorzy (9)
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Javed Ali Khan
- Abdul Wali Khan University Mardan, Pakistan
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Murtaza Sayed
- National Centre of Excellence in Physical Chemistry, University of Peshawar, Pakistan
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Noor S. Shah
- COMSATS University, Pakistan
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Sanaullah Khan
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Ashfaq Ahmad Khan
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Muhammad Sultan
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Ammar M. Tighezza
- King Saud University, Saudi Arabia
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Jibran Iqbal
- Zayed University, United Arab Emirates
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Pełna treść
- Wersja publikacji
- Accepted albo Published Version
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.jece.2023.111308
- Licencja
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otwiera się w nowej karcie
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuły w czasopismach
- Opublikowano w:
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Journal of Environmental Chemical Engineering
nr 11,
ISSN: 2213-2929 - Język:
- angielski
- Rok wydania:
- 2023
- Opis bibliograficzny:
- Khan J. A., Sayed M., Shah N. S., Khan S., Khan A. A., Sultan M., Tighezza A. M., Iqbal J., Boczkaj G.: Synthesis of N-doped TiO2 nanoparticles with enhanced photocatalytic activity for 2,4-dichlorophenol degradation and H2 production// Journal of Environmental Chemical Engineering -Vol. 11,iss. 6 (2023), s.111308-
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.jece.2023.111308
- Źródła finansowania:
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- COST_FREE
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 18 razy
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