材料科学
人体净化
石墨烯
吸附
清水
光催化
氧化物
饮用水净化
水处理
蒸馏
经济短缺
重新使用
受污染的水
纳米技术
水蒸气
复合材料
化学工程
作者
Jinwei Lou,Yang Liu,Zhongyong Wang,Dengwu Zhao,Chengyi Song,Jianbo Wu,Neil P. Dasgupta,Wang Zhang,Di Zhang,Peng Tao,Wen Shang,Tao Deng
标识
DOI:10.1021/acsami.6b04606
摘要
Reusing polluted water through various decontamination techniques has appeared as one of the most practical approaches to address the global shortage of clean water. Rather than relying on single decontamination mechanism, herein we report the preparation and utilization of paper-based composites for multifunctional solar-driven clean water generation that is inspired by the multiple water purification approaches in biological systems. The reduced graphene oxide (rGO) sheets within such composites can efficiently remove organic contaminants through physical adsorption mechanism. Under solar irradiation, the floating rGO composites can instantly generate localized heating, which not only can directly generate clean water through distillation mechanism but also significantly enhance adsorption removal performance with the assistance of upward vapor flow. Such porous-structured paper-based composites allow for facile incorporation of photocatalysts to regenerate clean water out of contaminated water with com...
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