Novel synthesis of ultrafine hourglass-shaped aluminum hydroxide particles--颗粒学报PARTICUOLOGY

Zhou, Q., Zhang, L., Li, C., & Shao, W. (2006). Novel synthesis of ultrafine hourglass-shaped aluminum hydroxide particles. China Particuology, 4(5), 254–256. https://doi.org/10.1016/S1672-2515(07)60270-X

Novel synthesis of ultrafine hourglass-shaped aluminum hydroxide particles

Qiuling Zhou ^a, Ling Zhang ^a, Chunzhong Li ^a *, Wei Shao ^a

a Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, P.R. China

10.1016/S1672-2515(07)60270-X

Volume 4, Issue 5, October 2006, Pages 254-256

Received 12 September 2005, Accepted 12 September 2006, Available online 27 November 2007.

E-mail: czli@ecust.edu.cn

Highlights

Abstract

In a novel method for synthesizing ultrafine aluminum hydroxide particles presented in this paper, the morphology and crystal structure of the particles were investigated by TEM, XRD, etc. The process consisted of two steps: chemical precipitation by acid and carbonation. The product has an hourglass or half-hourglass morphology with a narrow size distribution of 150-200 nm. Major endothermal peak of decomposition was found at 270°C by differential thermal analysis. X-ray diffraction identified the product as bayerite. Those properties were compared with those of aluminum hydroxide prepared by carbonization only.

Graphical abstract

Keywords

aluminum hydroxide; synthesis; ultrafine particles; hourglass-shaped

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