负载MoS2纳米片的聚丙烯酰胺气凝胶的研究
Study on polyacrylamide aerogels loaded with MoS2 nanoplates
王桂灵 1毛辉麾 1王璐1
作者信息
- 1. 常州大学石油化工学院,江苏 常州 213164
- 折叠
摘要
合成了一种低带隙、富缺陷的纳米花球状MoS2,并利用其作为太阳能吸收材料,再以亲水性聚丙烯酰胺为骨架,通过交联发泡聚合法制备了一种具有良好机械稳定性和耐盐性的海绵状MoS2 基多孔气凝胶(MoS2-PH).该气凝胶具有协同界面光蒸汽转化性能和催化降解水中有机污染物的双功能,可重复利用性好.分析结果表明,合成的MoS2 纳米片组装形成同心、分离良好的分层结构,类似于纳米花球;合成的MoS2-PH不仅具有 3.954 kg/(m2·h)的高蒸发速率,而且还具有显著的染料降解效率(81%),这研究为解决淡水短缺和水污染提出了一种巧妙的方法.
Abstract
A low band-gap,defect-rich nanoflower spheroidal MoS2 is synthesized,and used as a solar energy absorbing material.Taking hydrophilic polyacrylamide as the framework,a spongy MoS2-based porous aerogel(MoS2-PH)with good mechanical stability and salt resistance is prepared via cross-linking foaming polymerization method.This aerogel has two functions including synergistic interfacial photo-vapor conversion and catalyzing the degradation of organic pollutants in water,and shows a good reusability.Analysis results show that the assembled MoS2 nanosheets form a concentric and well-separated layered structure,which is similar to nanospheres.The synthesized MoS2-PH has a high evaporation rate of 3.954 kg·m-2·h-1,and exhibits a remarkable dye degradation efficiency(81%),which presents an ingenious solution to the shortage of fresh water and water pollution.
关键词
有机气凝胶/太阳能/界面太阳能蒸汽转化/高级氧化工艺Key words
organic aerogels/solar energy/interfacial solar energy steam conversion/advanced oxidation process引用本文复制引用
出版年
2024
NETL
NSTL
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