Synthesis of wide band gap nanocrystalline NiO powder via a sonochemical method

被引：154

作者：

Meybodi, S. Mohseni ^{[2
]}

Hosseini, S. A. ^{[1
]}

Rezaee, M. ^{[3
]}

Sadrnezhaad, S. K. ^{[4
]}

Mohammadyani, D. ^{[1
]}

机构：

[1] MERC, Tehran, Iran

[2] Islamic Azad Univ, Maybod Branch, Maybod, Iran

[3] Amir Kabir Univ Technol, Dept Min & Met Engn, Tehran, Iran

[4] Sharif Univ Technol, Dept Mat Sci & Engn, Tehran, Iran

来源：

ULTRASONICS SONOCHEMISTRY | 2012年 / 19卷 / 04期

关键词：

Nickel oxide; Sonochemistry; Nanocrystalline powder; Photoluminescence spectroscopy; SOL-GEL METHOD; NICKEL-OXIDE; NANOPARTICLES; PHOTOLUMINESCENCE; ROUTE; FILMS; SIZE; NANOWIRES; PRECURSOR; COMPLEX;

D O I：

10.1016/j.ultsonch.2011.11.017

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

A sonochemistry-based synthesis method was used to produce nanocrystalline nickel oxide powder with similar to 20 nm average crystallite diameter from Ni(OH)(2) precursor. Ultrasound waves were applied to the primary solution to intensify the Ni(OH)(2) precipitation. Dried precipitates were calcined at 320 degrees C to form nanocrystalline NiO particles. The morphology of the produced powder was characterized by transmission electron microscopy. Using sonochemical waves resulted in lowering of the size of the nickel oxide crystallites. FT-IR spectroscopy and X-ray diffraction revealed high purity well-crystallized structure of the synthesized powder. Photoluminescence spectroscopy confirmed production of a wide band-gap structure. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：841 / 845

页数：5

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