Controlled Growth and Field‐Emission Properties of Cobalt Oxide Nanowalls | Zendy

Yu T. | Zendy; Zhu Y. W. | Zendy; Xu X. J. | Zendy; Shen Z. X. | Zendy; Chen P. | Zendy; Lim C.T. | Zendy; Thong J. T.L. | Zendy; Sow C.H. | Zendy

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Controlled Growth and Field‐Emission Properties of Cobalt Oxide Nanowalls

Author(s) -

Yu T.,

Zhu Y. W.,

Xu X. J.,

Shen Z. X.,

Chen P.,

Lim C.T.,

Thong J. T.L.,

Sow C.H.

Publication year - 2005

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.200500322

Subject(s) - materials science , foil method , field electron emission , cobalt oxide , nanomaterials , nanotechnology , cobalt , oxide , optoelectronics , metallurgy , composite material , physics , quantum mechanics , electron

Vertically oriented single‐crystalline Co 3 O 4 nanowalls (see Figure) have been successfully fabricated by directly heating Co foil in air using a hot plate. The morphologies of the Co 3 O 4 nanowalls can be controlled by varying the growth temperature and time. The Co 3 O 4 nanowalls show promising field‐emission performance that is comparable to many other nanomaterials.

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