Synthesis on large area and uniform nanosheet morphology of polycrystalline cobalt oxide Co3O4 obtained from oxidation of Co films in a pure oxygen atmosphere

被引：6

作者：

Wu, P. F. ^{[1
]}

Shi, J. B. ^{[2
]}

Chang, Y. C. ^{[2
]}

Tsai, M. Z. ^{[2
]}

Kao, Chia-Tze ^{[3
,4
]}

Cheng, F. C. ^{[5
]}

Lee, H. W. ^{[1
]}

Chen, M. Y. ^{[2
]}

Huang, Y. J. ^{[2
]}

Huang, R. Y. ^{[2
]}

Lin, S. K. ^{[2
]}

机构：

[1] Feng Chia Univ, PhD Program Elect & Commun Engn, Taichung 40724, Taiwan

[2] Feng Chia Univ, Dept Elect Engn, Taichung 40724, Taiwan

[3] Chung Shan Med Univ, Coll Oral Med, Dept Dent, Taichung 40201, Taiwan

[4] Chung Shan Med Univ Hosp, Dept Dent, Taichung 40201, Taiwan

[5] Taichung Vet Gen Hosp, Stem Cell Ctr, Dept Med Res, Taichung 40705, Taiwan

来源：

CRYSTAL RESEARCH AND TECHNOLOGY | 2014年 / 49卷 / 11期

关键词：

Co3O4; pure oxygen oxidation; nanosheets; THIN-FILM; BUILDING-BLOCKS; DEPOSITION; NANOSTRUCTURES; SENSITIVITY; BEHAVIORS; LITHIUM; ROUTE;

D O I：

10.1002/crat.201400208

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

Large area and uniform nanosheets Co3O4 have been fabricated by thermal annealing of cobalt thin film under the DC magnetron sputtering method. The synthesis is based on controlling the simple thermal oxidative formation of precursor Co films. The Co films were heated at 300, 400, and 500 degrees C for two hours in a pure oxygen atmosphere. At 300 degrees C, CoO and Co3O4 phases appear to survive together. An amount of pure polycrystalline Co3O4 nanosheets were observed at 400 degrees C. The structural and morphological properties of the nanosheets Co3O4 were characterized by means of transmission electron microscopy (TEM) and Raman spectroscopy.

引用

页码：873 / 877

页数：5

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