河北师范大学学报—

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刊名：河北师范大学学报（自然科学版）Journal of Hebei Normal University (Natural Science)
主办：河北师范大学
ISSN： 1000-5854
CN： 13-1061/N
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纳米片状BiOI的制备及可见光催化性能研究

河北师范大学化学与材料科学学院, 河北石家庄 050024
DOI： 10.13763/j.cnki.jhebnu.nse.2017.05.008

Preparation and Visible Light Catalytic Performance of Nanosized BiOI

ZHANG Guoqiang, LIU Biyu, JIA Miying, ZHANG Yanfeng, WEI Yu

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摘要/Abstract

摘要：

以硝酸铋和碘化钾为原料，通过加入少量赖氨酸，采用低温水解法制备了碘氧化铋（BiOI）粉体.采用X射线衍射、扫描电子显微镜、紫外-可见漫反射光谱等仪器对样品进行了表征，分析了样品的晶体结构、形貌、紫外-可见吸收光谱特征.研究结果表明，该方法合成的BiOI为片状，厚度约50nm.合成过程中赖氨酸的加入，改变了BiOI的晶体结构并减小了晶体尺寸.降解罗丹明B的光催化实验表明，赖氨酸的添加有效地提高了BiOI的可见光催化性能.

Abstract：

In this paper,with bismuth nitrate and potassium iodide as raw materials,the nanosized BiOI was prepared by adding a small amount of lysine through a low-temperature hydrolysis method.The crystal structure and morphology of samples were characterized by X-ray diffraction (XRD),scanning electron microscopy (SEM) and UV-vis diffuse reflectance spectroscopy (UV-vis DRS).The results showed that the as-prepared BiOI had nanoplate morphology with the thickness about 50nm.The addition of lysine changed the crystal structure of BiOI and reduced the crystal size.The results of photocatalytic degradation of rhodamine B show that the addition of lysine effectively enhanced the visible light photocatalytic activity of BiOI.

关键词

关键词： 碘氧化铋 ; 半导体光催化剂 ; 赖氨酸

Key words： BiOI ; semiconductor photocatalysis ; lysine

参考文献 14

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