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Title: Synthesis of lead zirconate powders via a polyaniline-mediated microemulsion processing route
Authors: Fang, J.
Wang, J. 
Ng, S.-C. 
Gan, L.-M. 
Quek, C.H. 
Chew, C.-H. 
Keywords: Ceramics
Lead zirconate
Powder synthesis
Ultrafine powder
Issue Date: Jul-1998
Citation: Fang, J.,Wang, J.,Ng, S.-C.,Gan, L.-M.,Quek, C.H.,Chew, C.-H. (1998-07). Synthesis of lead zirconate powders via a polyaniline-mediated microemulsion processing route. Materials Letters 36 (1-4) : 179-185. ScholarBank@NUS Repository.
Abstract: Oxalate precursors of lead zirconate were synthesised in the nanosized aqueous domains of an inverse microemulsion consisting of cyclohexane, NP5 + NP9 and an aqueous phase of mixed lead and zirconium nitrates. Polyaniline was added into the microemulsion-derived precursor via an in-situ polymerisation in the aqueous phase when lead oxalate and zirconium oxalate are coprecipitated. The in-situ polymerisation of anilines in the microemulsion resulted in the formation of a well dispersed precursor powder, after the nanosized oxalate particles were retrieved from the reacted microemulsions by repeated washing using distilled ethanol. Upon calcination at 800°C, the microemulsion-derived oxalate precursor led to the formation of an ultrafine lead zirconate powder, which was characterised for various powder characteristics. © 1998 Elsevier Science B.V. All rights reserved.
Source Title: Materials Letters
ISSN: 0167577X
Appears in Collections:Staff Publications

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