Flower-like and nanorods ZnO deposited on rGO as efficient photocatalysts for removal of polychlorinated biphenyls (PCBs)

IF 4.2 3区 材料科学 Q2 MATERIALS SCIENCE, COMPOSITES Nanocomposites Pub Date : 2022-12-31 DOI:10.1080/20550324.2023.2168938
A. Merlano, E. Albiter, M. Valenzuela, L. Hoyos, Á. Salazar
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引用次数: 2

Abstract

Abstract PCBs were used for several decades as coolants, lubricants in transformers, plasticizers, and dielectric fluids, being highly carcinogenic and representing a severe environmental problem in soil and water. Pure and modified TiO2 has been the most studied photocatalyst looking to degrade PCBs into less toxic products. Lately, ZnO-graphene composites have played an essential role in the photocatalytic degradation of various toxic organic compounds. In this work, ZnO nanostructures were coupled with reduced graphene oxide (ZnO-rGO) via a one-pot microwave-assisted hydrothermal route. As a result, the composites exhibited improved photocatalytic performance for PCBs degradation compared to ZnO nanoparticles. Thus, this research provides an in-situ method to grow different morphologies of ZnO on rGO. Graphical Abstract
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花状和纳米棒状ZnO沉积在氧化石墨烯上作为去除多氯联苯的高效光催化剂
摘要:几十年来,多氯联苯被用作冷却剂、变压器润滑剂、增塑剂和介质流体,具有高度致癌性,并在土壤和水中构成严重的环境问题。纯的和改性的二氧化钛一直是研究最多的光催化剂,旨在将多氯联苯降解成毒性较低的产品。近年来,zno -石墨烯复合材料在光催化降解各种有毒有机化合物方面发挥了重要作用。在这项工作中,ZnO纳米结构通过一锅微波辅助水热途径与还原氧化石墨烯(ZnO- rgo)偶联。结果表明,与ZnO纳米颗粒相比,复合材料对pcb的光催化性能有所提高。因此,本研究提供了一种在氧化石墨烯上原位生长不同形貌ZnO的方法。图形抽象
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来源期刊
Nanocomposites
Nanocomposites Multiple-
CiteScore
7.40
自引率
15.20%
发文量
18
审稿时长
16 weeks
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