Enabling Highly Recoverable and Efficient Nanosized Photocatalysts via Constructing Robust Submillimetric Patchy Particles

IF 6.5 3区 材料科学 Q2 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY
Zhudan Jiang, Jiale Huang, Jingjin Cai, Shanglin Xiang, Dongyu Cai
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引用次数: 0

Abstract

This work reports a class of packable composite catalysts in form of submillimetric patchy particles which demonstrate an excellent recyclability. Those patchy particles are simply constructed via the hydrothermal treatment of the dense slurry of hydroxylated ultrahigh molecular weight polyethylene (UHMWPE) and carbon nitride microtubes. These large-sized particles can be directly packed into a tea bag made of 800 mesh nylon filter cloth. This kind of porous package allows the arrival of light on the particles and meanwhile significantly benefits the recovery of the photocatalysts from polluted water. Robust adhesion of tubular carbon nitride and UHMWPE powders is established via creating synergies between van der Waals force and hydrogen bonding for maintaining high degrading ability of these patchy particles even after 30 cycles.

Abstract Image

通过构建坚固的亚毫米片状粒子实现高可回收和高效的纳米光催化剂
本工作报道了一类亚毫米片状颗粒形式的可包装复合催化剂,该催化剂具有优异的可回收性。这些斑驳的颗粒只是通过水热处理羟基化超高分子量聚乙烯(UHMWPE)和氮化碳微管的致密浆料而形成的。这些大颗粒可以直接装入800目尼龙滤布制成的茶包中。这种多孔包装允许光到达颗粒上,同时显著有利于从污染水中回收光催化剂。通过在范德华力和氢键之间产生协同作用,即使在30次循环后,也能保持这些片状颗粒的高降解能力,从而建立了管状氮化碳和超高分子量聚乙烯粉末的牢固粘附。
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来源期刊
Advanced Sustainable Systems
Advanced Sustainable Systems Environmental Science-General Environmental Science
CiteScore
10.80
自引率
4.20%
发文量
186
期刊介绍: Advanced Sustainable Systems, a part of the esteemed Advanced portfolio, serves as an interdisciplinary sustainability science journal. It focuses on impactful research in the advancement of sustainable, efficient, and less wasteful systems and technologies. Aligned with the UN's Sustainable Development Goals, the journal bridges knowledge gaps between fundamental research, implementation, and policy-making. Covering diverse topics such as climate change, food sustainability, environmental science, renewable energy, water, urban development, and socio-economic challenges, it contributes to the understanding and promotion of sustainable systems.
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