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Nanoporous Carbon Foam for Water and Air Purification
Li, Z; Xu, JJ; Sun, D; Lin, TQ; Huang, FQ
2020-02-01
Source PublicationACS APPLIED NANO MATERIALS
ISSN2574-0970
Issue2Pages:1564
SubtypeArticle
AbstractThe design of advanced filter materials to realize worldwide access to clean air and drinking water is of imminent importance. However, complex procedures and toxic raw materials used in the manufacturing process can easily result in secondary pollution, defeating the original purpose. Herein, a green and facile table salt (sodium chloride, NaCl)-assisted pyrolysis strategy is reported to construct nanoporous carbon foam from edible feedstocks (such as agar, pectin, and flour) for use as efficient filter materials. NaCl plays a part in the pore-forming agent and rigid scaffold, which constructs the secondary porous structure while efficiently preventing the self-assembly three-dimensional network structure from thermally collapsing during pyrolysis. Taking advantage of the tailored porous structure, the agar-derived nanoporous carbon foam exhibits a high oil/organic solvent adsorption capacity of up to 202 times its own weight. Besides, an air filtration paper, composed of the obtained material and nonwoven fabric, possesses a PM2.5 filtration efficiency of over 99% with a low-pressure drop of 112 Pa, better than commercial masks. Considering the simple fabrication process and outstanding adsorption/filtration performance, the nanoporous carbon foams fabricated from sustainable precursors have great potential for environment-related applications.
DOI10.1021/acsanm.9b02347
WOS KeywordHIGHLY EFFICIENT ; AEROGELS ; GRAPHENE ; BIOMASS ; PERFORMANCE ; ADSORPTION ; PYROLYSIS ; HYDROGELS ; SORBENT ; SPONGES
Language英语
WOS Research AreaScience & Technology - Other Topics ; Materials Science
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/28326
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Li, Z,Xu, JJ,Sun, D,et al. Nanoporous Carbon Foam for Water and Air Purification[J]. ACS APPLIED NANO MATERIALS,2020(2):1564.
APA Li, Z,Xu, JJ,Sun, D,Lin, TQ,&Huang, FQ.(2020).Nanoporous Carbon Foam for Water and Air Purification.ACS APPLIED NANO MATERIALS(2),1564.
MLA Li, Z,et al."Nanoporous Carbon Foam for Water and Air Purification".ACS APPLIED NANO MATERIALS .2(2020):1564.
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