Title: Low-temperature synthesis of ZnO-Bi₂O₃ nanocomposite by sonochemical route

Authors: Zhifu Wu; Guiquan Guo; Min Xu; Yunfeng Shi

Addresses: School of Chemistry and Chemical Engineering, Anyang Normal University, No. 436, Xuange Avenue, Anyang, 455000, China ' School of Chemical Engineering and Biotechnology, Xingtai University, Quanbei Street, Xingtai, 054001, China ' Anyang Testing Center of Quality and Technical Supervision and Inspection, No. 4, Guanghui Road, Anyang, 455000, China ' School of Chemistry and Chemical Engineering, Anyang Normal University, No. 436, Xuange Avenue, Anyang, 455000, China

Abstract: Sonochemical synthesis and optical property of palm-leaf-like ZnO-Bi₂O₃ nanocomposite have been reported. The analysis of XRD approves that the nanocomposite material is ZnO-Bi₂O₃. The composition of the product has been analysed by XPS and it is concluded that the molecular ratio of Bi₂O₃:ZnO is 1:4.6. SEM images show that the morphology of the nanocomposite is stelliform dendrite. The sonication time appears to be a critical parameter for shape determination. Also, the presence of Bi^B+ is vital to the formation of the palm-leaf-like dentrites. Photoluminescence spectra at room temperature of the products show that the synthesised materials possess good optical properties. The mechanism of the dendrite growth has also been discussed.

Keywords: sonication; palm leaf like dentrites; nanocomposites; low-temperature synthesis; sonochemical synthesis; optical properties; ZnO; zinc oxide; nanotechnology; Bi2O3; bismuth oxide; stelliform dendrite; dendrite growth.

DOI: 10.1504/IJNM.2014.066284

International Journal of Nanomanufacturing, 2014 Vol.10 No.5/6, pp.466 - 477

Received: 05 Oct 2013
Accepted: 15 Jan 2014
Published online: 20 Dec 2014 *

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