A series of BiO<sub>x</sub>I<sub>y</sub>/GO photocatalysts: synthesis, characterization, activity, and mechanism
作者:Shang-Yi Chou、Wen-Hsin Chung、Li-Wen Chen、Yong-Ming Dai、Wan-Yu Lin、Jia-Hao Lin、Chiing-Chang Chen
DOI:10.1039/c6ra12482h
日期:——
A series of bismuth oxyiodide (BiOxIy)-grafted graphene oxide (GO) sheets with different GO contents were synthesized through a simple hydrothermal method. This is the first report where four composites of BiOI/GO, Bi4O5I2/GO, Bi7O9I3/GO, and Bi5O7I/GO have been characterized using X-ray diffraction, transmission electron microscopy, scanning electron microscopy energy-dispersive spectroscopy, Fourier
通过简单的水热法合成了一系列GO含量不同的氧化碘化铋(BiO x I y)接枝氧化石墨烯(GO)片。这是第一份报告,其中使用X射线衍射,透射电子表征了BiOI / GO,Bi 4 O 5 I 2 / GO,Bi 7 O 9 I 3 / GO和Bi 5 O 7 I / GO的四种复合物。显微镜,扫描电子显微镜能量色散光谱,傅立叶变换红外光谱,X射线光电子光谱和漫反射光谱。组装的BiO x I y/ GO复合材料在可见光照射下对结晶紫(CV)的降解表现出出色的光催化活性。速率常数的顺序如下:Bi 7 O 9 I 3 / GO> Bi 4 O 5 I 2 / GO> Bi 4 O 5 I 2 > Bi 7 O 9 I 3 > Bi 5 O 7 I / GO> BiOI / GO> BiOI> Bi 5 O 7 I> GO。Bi 7 O 9 I 3 / GO(或Bi 4 O5 I 2 / GO)复合材料的最大速率常数为0