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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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PhotocatalyticSynthesisofGoldNanoparticlesUsingPreysslerAcidandTheirPhotocatalyticActivity
DOI: 10.1016/S1872-2067(10)60221-5, PP. 978-982
Keywords: gold,nanoparticle,polyoxometalate,Preyssleracid,photodegradation,methylorange
Abstract:
？？PreyssleracidH14[NaP5W30O110]wasusedasreducingagentandstabilizerforthesynthesisofgoldnanoparticlesbyphotolysisofAu(III)/Preyssleracid/propan-2-olsolution.Preyssleracidplaysboththeroleoftransferringelectronsfrompropan-2-oltoAu(III)andstabilizingthenanoparticles.Propan-2-olwasusedassacrificialreagentforthephotoformationofreducedPreyssleracid.Goldnanoparticles(AuNPs)werecharacterizedbyUV-Visspectroscopy,transmissionelectronmicroscopy(TEM),andparticlesizedistribution(PSD)measurements.ThesynthesizedAuNPshadauniformhexagonalmorphologyandtheirsizewasabout17nm.ThecatalyticperformanceoftheseNPsforphotodegradationofmethylorange(MeO)wasinvestigatedinaqueoussolution.UV-VisstudiesshowedthatAuNPscancatalyzephotodegradationofthisazodye.Thepseudo-first-orderrateconstantswerealsocalculatedforthisreaction.
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