%0 Journal Article
%T PhotocatalyticSynthesisofGoldNanoparticlesUsingPreysslerAcidandTheirPhotocatalyticActivity
%A Ali AYATI
%A Ali AHMADPOUR
%A Fatemeh F. BAMOHARRAM
%A Majid M. HERAVI
%A Hamed RASHIDI
%J ´ß»¯Ñ§±¨
%P 978-982
%D 2011
%R 10.1016/S1872-2067(10)60221-5
%X £¿£¿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.
%K gold
%K nanoparticle
%K polyoxometalate
%K Preyssleracid
%K photodegradation
%K methylorange
%U http://www.chxb.cn/CN/abstract/abstract20440.shtml