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All Journal Bulletin of Chemical Reaction Engineering & Catalysis
Gaurav A. Bhaduri
School of Chemical Engineering and Advanced Materials, Newcastle University, Newcastle upon Tyne, NE1 7RU
Chemical Engineering, Chemistry & Bioengineering Chemistry

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Studying Impact of Different Precipitating Agents on Crystal Structure, Morphology and Photocatalytic Activity of Bismuth Oxide Yayuk Astuti; Arnelli Arnelli; Pardoyo Pardoyo; Amilia Fauziyah; Siti Nurhayati; Arum Dista Wulansari; Rizka Andianingrum; Hendri Widiyandari; Gaurav A. Bhaduri
Bulletin of Chemical Reaction Engineering & Catalysis 2017: BCREC Volume 12 Issue 3 Year 2017 (December 2017)
Publisher : Department of Chemical Engineering - Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (480.945 KB) | DOI: 10.9767/bcrec.12.3.1144.478-484

Abstract

Bismuth oxide (Bi2O3) is a well-studied photocatalyst for degradation of various environmental contaminants. In this research Bi2O3 has been synthesized by precipitation method using two different bases (NH4OH and NaOH). The samples thus obtained were then analyzed using FTIR, XRD, and SEM for surface functionalization, crystal structures and morphological differences, respectively. The Bi2O3 precipitated using NH4OH showed a flower like structure made up of individual plates having α-Bi2O3 crystal structure. The precipitate obtained using NaOH showed a honeycomb like flower structure with a mixture of both α-Bi2O3 and γ-Bi2O3 crystal structure. Degradation of methyl orange (MO) was used as a model system to test the photocatalytic activity of the bismuth oxide. The Bi2O3 synthesized using NH4OH showed superior photocatalytic degradation of methyl orange than the one synthesized using NaOH. 
Co-Authors Amilia Fauziyah Arnelli Arnelli Arum Dista Wulansari Hendri Widiyandari Pardoyo Pardoyo Rizka Andianingrum Siti Nurhayati Yayuk Astuti