摘要
Stablesilvernanoparticleswassuccessfullysynthesizedbychemicalreductionofsilvernitrateinanionicliquid,1-n-butyl-3-methylimidazoliumtetrafluoroborate([BMIM]·BF4)atroomtemperature.ResultsofUV-Visdiffusereflectancespectroscopyshowas-preparedAgnanoparticlesexhibitatypicalemissionpeakat400―430nm.Byvaryingthereactiontemperatureandtheprecursorconcentration,thesizeandtheshapeofthesilvernanoparticlescouldbeeasilycontrolledundermildconditions.Analysesoftransmissionelectronmicrographs,X-raydiffractionpatternandX-rayphotoelectronspectrumfurtherrevealthatthesilvernanoparticleswerecoatedincompletelyby[BMIM]·BF4.Microbialexperimentsindicatethatas-preparedsilvernanoparticlesshowawidespectrumofantimicrobialactivitiesandhavebetterantimicrobialactivitiestoPseudomonasaeruginosathansilvernitratewiththesameconcentrationofsilver.
出版日期
2009年04月14日(中国期刊网平台首次上网日期,不代表论文的发表时间)