%0 Journal Article
%T PhotocatalyticactivityofmesoporousmicrobricksofZnOnanoparticlespreparedbythethermaldecompositionofbis(2-aminonicotinato)zinc(II)
%A Keyvan Bijanzad
%A Azadeh Tadjarodi
%A Omid Akhavan
%J ´ß»¯Ñ§±¨
%P 742-749
%D 2015
%R 10.1016/S1872-2067(14)60305-3
%X £¿Hollowmicroblocksof[Zn(anic)2],asanovelcoordinationcompound,weresynthesizedusing2-aminonicotinicacid(Hanic)andzinc(II)nitratetetrahydrate.Thechemicalcompositionofthezinccomplex,ZnC12H10N4O4,wasdeterminedbyFouriertransforminfrared(FTIR)spectroscopyandelementalanalysis.ThesynthesizedzinccomplexwasusedasaprecursortoproduceZnOnanostructuresbycalcinationat550¡æfor4h.MorphologicalstudiesbyscanningelectronmicroscopyandtransmissionelectronmicroscopyrevealedtheformationofporousmicrobricksofZnOnanoparticles.N2adsorption-desorptionanalysisshowedthattheobtainedZnOmicrobrickspossessamesoporousstructurewithasurfaceareaof8.13m2/gandaporesizeof22.6nm.TheX-raydiffractionpatternofthefinalproductprovedtheformationofapureZnOcompositionwithahexagonalstructure.Moreover,FTIRanalysesshowedthatthe2-aminonicotinicacidligandpeakswereabsentafterthecalcinationstep.DiffusereflectancespectroscopywasusedtodeterminethebandgapenergyoftheproducedZnOanditwasabout3.19eV.ToinvestigatethephotocatalyticactivityoftheporousZnOnanostructure,aseriesofphotocatalytictestswerecarriedouttoremoveCongored,asarepresentativetoxicazodye,fromaqueoussolution.Theresultsshowthattheproductcanbeusedasanefficientphotocatalystforwastewatertreatmentwithhighdegradationefficiency.
%K Znicoxide
%K Bis(2-aminonicotinato)zinc(II)
%K Mesoporous
%K Photocatalyst
%K Nanoparticle
%U http://www.chxb.cn/CN/abstract/abstract21576.shtml