Owing to the numerous benefits,including low cost and great theoretical capacity,V3S4 has been a research hotspot for Li^(+)/Na^(+)/K^(+) storage.Nonetheless,the V_(3)S_(4) electrode with long cycling stability and hi...Owing to the numerous benefits,including low cost and great theoretical capacity,V3S4 has been a research hotspot for Li^(+)/Na^(+)/K^(+) storage.Nonetheless,the V_(3)S_(4) electrode with long cycling stability and high specific capacities continues to pose significant challenges.In this work,vacuum vulcanization is combined with electrospinning to synthesize V_(3)S_(4)/C composite nanofibers(V_(3)S_(4)@CNF).展开更多
A new colorimetric and fluorimetric chemosensor for F detection based on 1H-imidazo[4,5-b]phenazine derivative has been designed and synthesized.It shows excellent fluorescent specific selectivity and sensitivity for ...A new colorimetric and fluorimetric chemosensor for F detection based on 1H-imidazo[4,5-b]phenazine derivative has been designed and synthesized.It shows excellent fluorescent specific selectivity and sensitivity for F^- in DMSO solution.Upon addition of F^- to the solution of probe 1,a remarkable color change from yellow to red could be observed easily by the naked-eye.The detection limit of this probe toward F^- is 6.2× 10 ^-6mol/L.Analysis by^1 H NMR proved that the imidazolyl N–H could be hydrogen-bonded with added fluoride anions,and results in the difference of colors.展开更多
基金financially supported by the Natural Science Foundation of China(Nos.52272063 and 51862024)the Key Research and Development Program of Jiangxi Province(No.20203BBE53066)+1 种基金Jiangxi Provincial Natural Science Foundation(Nos.20224BAB214037 and 20232BAB204022)the Science and Technology Project of Education Department of Jiangxi Province(No.GJJ2201104)。
文摘Owing to the numerous benefits,including low cost and great theoretical capacity,V3S4 has been a research hotspot for Li^(+)/Na^(+)/K^(+) storage.Nonetheless,the V_(3)S_(4) electrode with long cycling stability and high specific capacities continues to pose significant challenges.In this work,vacuum vulcanization is combined with electrospinning to synthesize V_(3)S_(4)/C composite nanofibers(V_(3)S_(4)@CNF).
基金support in part by Natural Science Foundation of the Jiangsu Higher Education Institutions of China (No.13KJB150018)Natural Science Foundation of Jiangsu Province (No.BK20130926)+1 种基金Innovation program of Shanghai institute of technical physics of the Chinese Academy of Sciences (No.2013,Q-DX-36,Q-DX-37)Postgraduate Innovation Fund of Jiangsu Province (No.2013,CXZZ13_0459)
文摘A new colorimetric and fluorimetric chemosensor for F detection based on 1H-imidazo[4,5-b]phenazine derivative has been designed and synthesized.It shows excellent fluorescent specific selectivity and sensitivity for F^- in DMSO solution.Upon addition of F^- to the solution of probe 1,a remarkable color change from yellow to red could be observed easily by the naked-eye.The detection limit of this probe toward F^- is 6.2× 10 ^-6mol/L.Analysis by^1 H NMR proved that the imidazolyl N–H could be hydrogen-bonded with added fluoride anions,and results in the difference of colors.
