Asymmetric patchy Ag/Cu Janus nanoparticles(NPs)were synthesized via a“seed-mediated”approach.This is the first report of synthesis of nanometer sized metal-based Janus NPs without using complicated methods.Selectiv...Asymmetric patchy Ag/Cu Janus nanoparticles(NPs)were synthesized via a“seed-mediated”approach.This is the first report of synthesis of nanometer sized metal-based Janus NPs without using complicated methods.Selective adsorption of the surfactant onto the seed NPs leads to the formation of Janus type structure.Subsequently the reduction potential of Ag+/Ag0 and Cu2+/Cu0 systems directs the formation of the“patch”.The patchy Janus NPs show significant antifungal activity towards a potent rice pathogen thus offering the prospect of future application in crop protection.展开更多
基金S.De thanks Science and Engineering Research Board,Govt,of India,New Delhi for generous grant of the research project(File no.EMR/2014/000435)University of Kalyani for infrastructural support.S.Sarkar acknowledges DST,India for the financial support provided through an INSPIRE Fellowship(IF 160188)。
文摘Asymmetric patchy Ag/Cu Janus nanoparticles(NPs)were synthesized via a“seed-mediated”approach.This is the first report of synthesis of nanometer sized metal-based Janus NPs without using complicated methods.Selective adsorption of the surfactant onto the seed NPs leads to the formation of Janus type structure.Subsequently the reduction potential of Ag+/Ag0 and Cu2+/Cu0 systems directs the formation of the“patch”.The patchy Janus NPs show significant antifungal activity towards a potent rice pathogen thus offering the prospect of future application in crop protection.