Solvothermal synthesis of BiOCl nanoplates with excellent photocatalytic activity for dye degradation

Haitao Liu, Yan, Yang, Jian JIAN, Tateyeva, Xintai Su, Baikenova, Baikenov, Satybaldin

2017

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DOI 10.31489/2017ch3/114-119
Data confidence 70 medium
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Abstract

Solvothermal synthesis of BiOCl nanoplates with excellent photocatalytic activity for dye degradationA two-phased solvothermal method was employed to synthesize BiOCl nanoplates using Bi(NO 3 ) 3 •5H 2 O, sodium oleate and KCl as the starting materials.The phases, morphology and optical property of the products were characterized by X-ray powder diffraction (XRD), transmission electron microscopy (TEM) and UV-vis diffuse reflectance spectroscopy (DRS).XRD and TEM images showed that the BiOCl nanoplates have a tetragonal phase with the lateral length of 50-100 nm.DRS exhibited that the obtained BiOCl samples have great absorption in the ultraviolet light range.Methyl orange (MO) and Rhodamine B (RhB) were used as the target degradation to assess the photocatalytic properties of the samples.Under UV irradiation, the degradation rate of MO and RhB was reached to 96.3 % and 97.7 % within 30 min.The results indicated that the BiOCl nanoplates have great potential applications in dye degradation.