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Open Access Nano Express

Synthesis of Porous NiO and ZnO Submicro- and Nanofibers from Electrospun Polymer Fiber Templates

Yejun Qiu, Jie Yu*, Xiaosong Zhou, Cuili Tan and Jing Yin

Author Affiliations

Department of Materials Science and Engineering, Shenzhen Graduate School, Harbin Institute of Technology, Xili, Shenzhen, 518055, China

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Nanoscale Research Letters 2008, 4:173-177  doi:10.1007/s11671-008-9221-6

Published: 16 December 2008

Abstract

Porous nickel oxide (NiO) and zinc oxide (ZnO) submicro- and nanofibers were synthesized by impregnating electrospun polyacrylonitrile (PAN) fiber templates with corresponding metal nitrate aqueous solutions and subsequent calcination. The diameter of the NiO and ZnO fibers was closely related to that of the template fibers and larger diameters were obtained when using the template fibers with larger diameter. SEM results showed that the NiO and ZnO fibers have a large amount of pores with diameters ranging from 5 nm to 20 nm and 50 nm to 100 nm, respectively. Energy dispersive X-ray (EDX) spectra and X-ray diffraction (XRD) patterns testified that the obtained materials were NiO and ZnO with high purity.

Keywords:
Nickel oxide; Zinc oxide; Nanofiber; Porous material; Template