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简便的溶剂热法合成具有增强可见光响应光催化性能的中空溴氧化铋亚微球

Facile Solvothermal Synthesis of Hollow BiOBr Submicrospheres with Enhanced Visible-Light-Responsive Photocatalytic Performance.

作者信息

Hou Linrui, Niu Yawei, Yang Fan, Ge Fengyue, Yuan Changzhou

机构信息

School of Material Science and Engineering, University of Jinan, Jinan 250022, China.

出版信息

J Anal Methods Chem. 2020 Mar 9;2020:3058621. doi: 10.1155/2020/3058621. eCollection 2020.

DOI:10.1155/2020/3058621
PMID:32211209
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7085378/
Abstract

In this work, hierarchical hollow BiOBr submicrospheres (HBSMs) were successfully prepared a facile yet efficient solvothermal strategy. Remarkable effects of solvents upon the crystallinities, morphologies, and microstructures of the BiOBr products were systematically investigated, which revealed that the glycerol/isopropanol volumetric ratio played a significant role in the formation of hollow architecture. Accordingly, the underlying formation mechanism of the hollow submicrospheres was tentatively put forward here. Furthermore, the photocatalytic activities of the resulting HBSMs were evaluated in detail with photocatalytic degradation of the organic methyl orange under visible light irradiation. Encouragingly, the as-obtained HBSMs with striking recyclability demonstrated excellent visible-light-responsive photocatalytic performance, which benefits from their large surface area, effective visible light absorption, and unique hollow feature, highlighting their promising commercial application in waste water treatment.

摘要

在本工作中，通过一种简便而高效的溶剂热策略成功制备了分级空心溴氧化铋亚微球（HBSMs）。系统研究了溶剂对溴氧化铋产物的结晶度、形貌和微观结构的显著影响，结果表明甘油/异丙醇体积比在空心结构的形成中起重要作用。据此，初步提出了空心亚微球的潜在形成机制。此外，通过在可见光照射下对有机甲基橙进行光催化降解，详细评估了所得HBSMs的光催化活性。令人鼓舞的是，所获得的具有显著可回收性的HBSMs表现出优异的可见光响应光催化性能，这得益于它们较大的表面积、有效的可见光吸收和独特的空心特征，突出了它们在废水处理中具有广阔的商业应用前景。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f06/7085378/3ed60cdd5e2b/JAMC2020-3058621.013.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f06/7085378/d22f135cce76/JAMC2020-3058621.007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f06/7085378/58c27379f11f/JAMC2020-3058621.008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f06/7085378/55258c947ba0/JAMC2020-3058621.009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f06/7085378/c95d45669008/JAMC2020-3058621.010.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f06/7085378/3ed60cdd5e2b/JAMC2020-3058621.013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f06/7085378/2515004a5247/JAMC2020-3058621.001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f06/7085378/09f826b904b2/JAMC2020-3058621.002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f06/7085378/6a2790ea29da/JAMC2020-3058621.003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f06/7085378/7206d0015875/JAMC2020-3058621.004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f06/7085378/50dcb4627955/JAMC2020-3058621.005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f06/7085378/528968467b4e/JAMC2020-3058621.006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f06/7085378/d22f135cce76/JAMC2020-3058621.007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f06/7085378/58c27379f11f/JAMC2020-3058621.008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f06/7085378/55258c947ba0/JAMC2020-3058621.009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f06/7085378/c95d45669008/JAMC2020-3058621.010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f06/7085378/d863bafb4e02/JAMC2020-3058621.011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f06/7085378/a77f05638fda/JAMC2020-3058621.012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f06/7085378/3ed60cdd5e2b/JAMC2020-3058621.013.jpg

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