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Synthesis of eosin modified TiO2 film with co-exposed {001} and {101} facets for photocatalytic degradation of para-aminobenzoic acid and solar H2 production
Abstrakt
Owing to the increasing photosensitivity and DNA damage properties of para-aminobenzoic acid (PABA), concerns have been raised over the exposure of humans to PABA. Solar light-driven photocatalysis (SPC) provides a promising solution for the effective removal of organic pollutants especially when directed towards sulfate radical (SO4−) production. Herein, we have developed a sulfite-enhanced SPC using Eosin-Y sensitized TiO2/Ti film as a photocatalyst. The removal efficiency of PABA was enhanced by coupling Eosin-Y with TiO2/Ti film as revealed from 23.6 and 48.9 % PABA degradation by reference-TiO2/solar and Eosin-TiO2/solar, respectively. The apparent rate constant of PABA degradation by Eosin-TiO2 was improved by 4.7 times in presence of 5 mM sulfite. Interestingly, Eosin-TiO2 showed appreciable H2 production rate under visible light illumination. Solar/sulfite/Eosin-TiO2 system is a promising technology for environmental sustainability by using the renewable solar energy and air pollutants since sulfite is a waste from flue gas desulfurization process.
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Autorzy (8)
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Javed Khan
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Murtaza Sayed
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Noor S. Shah
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Sanaullah Khan
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Yuxin Zhang
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Hasan Khan
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Dionysios D. Dionysiou
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuły w czasopismach
- Opublikowano w:
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APPLIED CATALYSIS B-ENVIRONMENTAL
nr 265,
strony 1 - 12,
ISSN: 0926-3373 - Język:
- angielski
- Rok wydania:
- 2020
- Opis bibliograficzny:
- Khan J., Sayed M., Shah N., Khan S., Zhang Y., Boczkaj G., Khan H., Dionysiou D.: Synthesis of eosin modified TiO2 film with co-exposed {001} and {101} facets for photocatalytic degradation of para-aminobenzoic acid and solar H2 production// APPLIED CATALYSIS B-ENVIRONMENTAL -Vol. 265, (2020), s.1-12
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.apcatb.2019.118557
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 169 razy
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