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Tổng hợp NiO kích thước nanomet bằng phương pháp đốt cháy gel

Authors
Publisher
Viện Khoa Học và Công Nghệ Việt Nam
Publication Date
Keywords
  • Nio
  • Nanometer Dimensions
  • Gel Combustion
  • Nio
  • Kích Thước Nanomet
  • Đốt Cháy Gen
Disciplines
  • Earth Science

Abstract

Nickel oxide powder has been synthesized at low temperature (600oC) by the combustion of gel prepared from polyvinyl alcohol (PVA) and Nickel nitrate. NiO product is examined by X-ray diffraction (XRD) , thermogravimetric and differential thermal analysis (TG-DTA), scanning electron microscopy (SEM) and BET (Brunaure-Emmet-Teller) measurements. Further thermal treatment at 300 - 600oC in 2h yields the single phase NiO with average size < 30 nm. Its specific surface area is 32.57m2 for NiO.

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