Reduced graphene oxide and Ag wrapped TiO2 photocatalyst for enhanced visible light photocatalysis

Originalpublikation

Leong, Kah Hon; Sim, Lan Ching; Bahnemann, Detlef W.; Jang, Min; Ibrahim, Shaliza; Saravanan, Pichiah: Reduced graphene oxide and Ag wrapped TiO2 photocatalyst for enhanced visible light photocatalysis. In: APL Materials 3 (2015), Nr. 10, 104503. DOI: http://dx.doi.org/10.1063/1.4926454

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Zusammenfassung:
A well-organised reduced graphene oxide (RGO) and silver (Ag) wrapped TiO2 nano-hybrid was successfully achieved through a facile and easy route. The inherent characteristics of the synthesized RGO-Ag/TiO2 were revealed through crystalline phase, morphology, chemical composition, Raman scattering, UV-visible absorption, and photoluminescence analyses. The adopted synthesis route significantly controlled the uniform formation of silver nanoparticles and contributed for the absorption of light in the visible spectrum through localized surface plasmon resonance effects. The wrapped RGO nanosheets triggered the electron mobility and promoted visible light shift towards red spectrum. The accomplishment of synergised effect of RGO and Ag well degraded Bisphenol A under visible light irradiation with a removal efficiency of 61.9%.
Lizenzbestimmungen: CC BY 3.0 Unported - https://creativecommons.org/licenses/by/3.0/
Publikationstyp: Article
Publikationsstatus: publishedVersion
Erstveröffentlichung: 2015
Schlagwörter (englisch): Silver, visible light, surface plasmons, charge carriers, surface charge
Fachliche Zuordnung (DDC): 500 | Naturwissenschaften, 540 | Chemie

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