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Preparation of carbon nitride nanoparticles by nanoprecipitation method with high yield and enhanced photocatalytic activity

查看全文 作　　者：Ziyu [1]Gan;Chaofeng [1]Huang;Yanfei [1]Shen;Qing [1]Zhou;Dan [1]Han;Jin [1]Ma;Songqin [1]Liu;Yuanjian [1]Zhang 高影响力作者 机构地区：[1]Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device,Jiangsu Province Hi-Tech Key Laboratory for Bio-Medical Research,School of Chemistry and Chemical Engineering,Medical School,Southeast University,Nanjing 211189,China高影响力机构 出　　处：《Chinese Chemical Letters》索引2020年第31卷第2期,共4页高影响力期刊 基　　金：financially supported in part by the National Natural Science Foundation of China(Nos.21775018,21675022);the Natural Science Foundation of Jiangsu Province(Nos.BK20160028,BK20170084);the Open Funds of the State Key Laboratory of Electroanalytical Chemistry(No.SKLEAC201909);the Fundamental Research Funds for the Central Universities。 摘　　要：As an emerging 2D conjugated material,graphitic carbon nitride(CN) has attracted great research attention as important catalytic medium for transforming solar energy.Nanostructure modulation of CN is an effective way to improve catalytic activities and has been extensively investigated,but remains challenging due to complex processes,time consuming or low yield.Here,taking advantage of recent discovered good solvents for CN,a nanoprecipitation approach using poor solvents is proposed for preparation of CN nanoparticles(CN NPs).With simple processes of CN dissolution and precipitation,we can quickly synthesize CN NPs(^40 nm) with a yield of up to 50%,the highest one to the best of our knowledge.As an example of potential applications,the as-prepared CN NPs were applied to photocatalytic degradation of dyes with an evident boosted performance up to 2.5 times.This work would open a new way for batch preparation of nanostructured CN and pave its large-scale industrial applications. 关 键 词：Carbon NITRIDE NANOPARTICLES DISSOLUTION NANOPRECIPITATION High yield PHOTOCATALYSIS
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