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Document Type

Journal Article

Department/Unit

Department of Chemistry

Title

Hollow peanut-like m-BiVO4: Facile synthesis and solar-light-induced photocatalytic property

Language

English

Abstract

Monoclinic bismuth vanadate (m-BiVO4) with novel hollow peanut-like morphology was synthesized for the first time using l-lysine as surfactant. The use of l-lysine and the crystallization procedure is indispensable in getting the peanut-like morphology. The photocatalytic activity of the m-BiVO4 samples under solar-light irradiation was evaluated for degradation of crystal violet and methylene blue. Crystallization and calcination temperature are important factors affecting the photocatalytic activity of m-BiVO4, and best performance was observed over the sample that crystallized at 160 °C in the presence of l-lysine and subsequently subjected to calcination at 550 °C. The as-prepared BiVO 4 showed good stability in catalyst recycling. Based on the results of XRD, XPS, FESEM, TEM (HRTEM), UV-vis diffuse reflectance spectroscopy, and N2 adsorption-desorption characterization, the good photocatalytic activity of the m-BiVO4 sample is attributed to its unique hollow peanut-like morphology and pure monoclinic phase of high crystallinity. © 2012 The Royal Society of Chemistry.

Publication Date

2012

Source Publication Title

CrystEngComm

Volume

14

Issue

12

Start Page

4217

End Page

4222

Publisher

Royal Society of Chemistry

ISSN (print)

14668033

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