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Cited by 257

The DOI matches its Crossref record; 27 of the 27 references it cites were found in a registry or an index.

Fabrication of Novel p-BiOI/n-ZnTiO3 Heterojunction for Degradation of Rhodamine 6G under Visible Light Irradiation

Reddy, K. Hemalata, Martha, Satyabadi, Parida, K.M.·2013·Inorganic Chemistry

Abstract

With the purpose of efficient electron-hole separation and enhancement of photocatalytic performance in the visible region, we have fabricated a novel p-BiOI/n-ZnTiO3 heterojunction by a precipitation-deposition method and studied its activity toward dye degradation. The physicochemical characteristics of the fabricated BiOI/ZnTiO3 heterojunctions were surveyed by powder X-ray diffraction pattern (PXRD), BET-surface area, diffuse reflectance UV-vis (DRUV-vis), field emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), photoluminescence spectroscopy (PL spectra), X-ray photoelectron spectroscopy (XPS), and photoelectrochemical measurement. The photosensitization effect of BiOI enhanced the spectral response of ZnTiO3 from UV to visible region, making all the BiOI/ZnTiO3 heterojunctions active under visible light. The PEC measurement confirmed the p-type character of BiOI and n-type character of ZnTiO3. The optimal amount of BiOI in BiOI/ZnTiO3 heterojunctions was found to be 50% which degraded 82% of 50 ppm Rh 6G under visible light irradiation. The degradation rate of 50% BiOI/ZnTiO3 heterojunction was found to be 9.8 and 11.1 times higher than that of bare BiOI and ZnTiO3, respectively. The photosensitization effect of BiOI and the formed heterojunction between p-type BiOI and n-type ZnTiO3 contribute to improved electron-hole separation and enhancement in photocatalytic activity.

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Metadata

Authors
Reddy, K. H., Martha, S., & Parida, K. M.
Venue
Inorganic Chemistry
Published
2013-05-14
Volume
52
Issue
11
Pages
6390-6401
ISSN
  • 0020-1669 (ISSN-L)
  • 1520-510X
OpenAlex
W2316893673
Cited by
257
References
27
FWCI
11.66
Type
journal article
Language
en
Open access
closed

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