Highly efficient WO3-ZnO mixed oxides for photocatalysis


Autoria(s): Adhikari, Sangeeta; Sarkar, Debasish; Madras, Giridhar
Data(s)

2015

Resumo

Monoclinic nanocuboid WO3 enhanced the photocatalyst efficiency of quasi nanobelt zinc oxide for dye degradation in the presence of visible light radiation. Combustion synthesized ZnO resulted in a belt-like morphology through in situ cluster formation of near spherical particles but homogenously disperses and strongly adheres to nanocuboid WO3 during physical mixing. Cationic methylene blue (MB) and anionic orange G (OG) undergo degradation through a charge transfer mechanism in the presence of WO3-ZnO (1 : 9 weight percentage ratio) mixture. The photocatalytic reaction was enhanced due to the reduction in the recombination of photogenerated electron-holes. The high degree of 90% degradation of both dyes is due to the activity of the mixed oxides, which is much higher than that obtained either with WO3 or ZnO individually.

Formato

application/pdf

Identificador

http://eprints.iisc.ernet.in/51061/1/rsc_adv_5-16_11895_2015.pdf.pdf

Adhikari, Sangeeta and Sarkar, Debasish and Madras, Giridhar (2015) Highly efficient WO3-ZnO mixed oxides for photocatalysis. In: RSC ADVANCES, 5 (16). pp. 11895-11904.

Publicador

ROYAL SOC CHEMISTRY

Relação

http://dx.doi.org/ 10.1039/c4ra13210f

http://eprints.iisc.ernet.in/51061/

Palavras-Chave #Chemical Engineering
Tipo

Journal Article

PeerReviewed