| نویسندگان | بهاره قدس-مهران رضائی-فرشته مشکانی |
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| نشریه | CERAM INT |
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| تاریخ انتشار | 2016-5-01 |
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| نمایه نشریه | ISI ,SCOPUS |
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چکیده مقاله
Nanostructured magnesiumsilicatewithhighBETsurfaceareaandmesoporousstructurewaspreparedbyahydrothermalmethodusing
polyethylene glycol(PEG)assurfactantandmagnesiumnitrateandsodiumsilicateaqueoussolutionasmagnesiumandsilicatesources,
respectively. Theeffectsofdifferentparameterssuchashydrothermaltreatment,reactiontemperature,pH,ethanol/PEGratioandetc.onthe
structural propertiesofthesynthesizedsamplewereexamined.ThepreparedsampleswerecharacterizedbyX-raydiffraction(XRD),N2
adsorption (BET)andscanningelectronmicroscopy(SEM)techniques.TheresultsindicatedthathydrothermaltreatmentincreasedBETsurface
area from290to394.2m2/g andtransferamorphousphasetocrystalline.Also,increasinginagingtemperature,agingtime,pHvalueand
ethanol/PEG ratiodidnotchangesurfaceareabyspecific procedure,whereasincreasingcalcinationtemperaturedecreasedsurfacearea.
Furthermore, hydrothermaltreatmentandincreasinginpHvaluewillchangehysteresisloop.ThehighestBETsurfaceareaobtainedinthispaper
is 619.8m2/g.
