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Research article - Peer-reviewed, 2006

Growth of carbon sausages filled with in situ formed tungsten oxide nanorods: thermal dissociation of tungsten(VI) isopropoxide in isopropanol

Gedanken, Aharon; Pol, Swati V; Pol, Vilas G; Kessler, Vadim

Abstract

Inthisarticle,wereportasimple,one-stage,efficientsyntheticmethodforthegrowthofcarbonsausagesfilledwithinsituformedtungstenoxidenanorods(CSTON),withoutanyexternalcatalyst.Thethermaldissociationoftungsten(VI)isopropoxide,5%w/vinisopropanolat7001CinaclosedSwagelokcellinaninertatmosphereyieldedaCSTONproduct.TheproductischaracterizedbySEM,TEM,EDAX,C,H,N,Sanalysis,TGA,Ramanspectroscopy,andHR-TEM.Theassignmentofthestructureofthesausagesasacarbonshell,withthecentralpartbeingtheWOx,isbasedonSAEDSspectra.Thesamereactionwasalsoconductedatalowertemperatureclosertothetemperaturesofsolvothermalreactions,at3501C.ThereactionyieldedWOxnanorodswithadiameterrangingfrom10nmto50nmandalengthofupto6mm

Published in

New Journal of Chemistry
2006, Volume: 30, pages: 370-376