In Situ Field Emission of Density‐Controlled ZnO Nanowire Arrays | Zendy

Wang X. D. | Zendy; Zhou J. | Zendy; Lao C. S. | Zendy; Song J. H. | Zendy; Xu N. S. | Zendy; Wang Z. L. | Zendy

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In Situ Field Emission of Density‐Controlled ZnO Nanowire Arrays

Author(s) -

Wang X. D.,

Zhou J.,

Lao C. S.,

Song J. H.,

Xu N. S.,

Wang Z. L.

Publication year - 2007

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.200602467

Subject(s) - materials science , field electron emission , nanowire , current density , in situ , electrode , scanning electron microscope , optoelectronics , nanotechnology , electron , composite material , physics , quantum mechanics , meteorology , chemistry

An effective in situ field‐emission measurement system , in which the distance between the emitting source and counter electrode can be accurately measured and finely controlled by setting up a second stage inside a scanning electron microscopy chamber, is developed. It is found that nanowires with a density between 60 and 80 μm –2 (see figure) and of ca. 1 μm in length give the highest emitting current density.

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