N, N-Dimethylformamide-assisted One-step Synthesis of Fe Doped Hierarchical Flower-like BiOCOOH with Enhenced Photocatalytic Activity

IF 0.6 4区 综合性期刊 Q3 MULTIDISCIPLINARY SCIENCES
Piao Chen, Mingqing Shan, Xiongjian Li, Shuijin Yang, Yun Yang
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引用次数: 0

Abstract

The photocatalytic efficiency is often limited by the low utilization of visible light and the rapid recombination of photogenerated carriers. In this work, we successfully synthesized BiOCOOH micro-flowers self-assembled from two-dimensional nanosheets using N,N-dimethylformamide and Bi(NO3)3·5H2O as raw materials. The characterizations such as XRD, SEM, TEM, and EDS proved the success of Fe3+ doping into the lattice of BiOCOOH. By degrading the colored dye RhB, it was found that 0.8FBOC has the best photocatalytic performance, and its degradation rate constant is 0.013 min-1, which is 6 times than pure BiOCOOH. According to previous works, the intermediates generated during the photodegradation of RhB in this work were investigated and we speculate the possible photocatalytic mechanism at the end. Up to now, we have hardly discovered about the doping modification of BiOCOOH, so this study offers a new idea for the modification of BiOCOOH.
N, N-二甲基甲酰胺辅助一步合成具有增强光催化活性的Fe掺杂层次型花状生物ocooh
光催化效率往往受到可见光利用率低和光生成载体的快速重组的限制。本文以N,N-二甲基甲酰胺和Bi(NO3)3·5H2O为原料,成功合成了二维纳米片自组装的BiOCOOH微花。XRD、SEM、TEM、EDS等表征手段证明了Fe3+在BiOCOOH晶格中掺杂的成功。通过对有色染料RhB的降解,发现0.8FBOC具有最佳的光催化性能,降解速率常数为0.013 min-1,是纯BiOCOOH的6倍。根据前人的工作,本文对RhB光降解过程中产生的中间体进行了研究,并推测了可能的光催化机制。到目前为止,我们很少发现掺杂改性的BiOCOOH,因此本研究为BiOCOOH的改性提供了一个新的思路。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Chiang Mai Journal of Science
Chiang Mai Journal of Science MULTIDISCIPLINARY SCIENCES-
CiteScore
1.00
自引率
25.00%
发文量
103
审稿时长
3 months
期刊介绍: The Chiang Mai Journal of Science is an international English language peer-reviewed journal which is published in open access electronic format 6 times a year in January, March, May, July, September and November by the Faculty of Science, Chiang Mai University. Manuscripts in most areas of science are welcomed except in areas such as agriculture, engineering and medical science which are outside the scope of the Journal. Currently, we focus on manuscripts in biology, chemistry, physics, materials science and environmental science. Papers in mathematics statistics and computer science are also included but should be of an applied nature rather than purely theoretical. Manuscripts describing experiments on humans or animals are required to provide proof that all experiments have been carried out according to the ethical regulations of the respective institutional and/or governmental authorities and this should be clearly stated in the manuscript itself. The Editor reserves the right to reject manuscripts that fail to do so.
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