e-journal

Field emission from ordered carbon nanotube-ZnO heterojunction arrays

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Abstract.
Low operating electric field and stable emission current have been achieved on ordered carbon nanotube (CNT)-ZnO heterojunction arrays. Pyramid-like micropatterns were firstly prepared via capillarity-driven self-assembly from aligned CNTarrays, ZnO nanowires were subsequently grown via vapor-phase transport (VPT) method. Based on the effect of geometrical structure, low turn-on and threshold fields, and stable emission current were obtained. The high aspect ratio of ZnO nanowires leads to the high field enhancement factor.
The optimal density of ZnO nanowires and the excellent interconnection between ZnO and CNT are beneficial to avoid the screening effect and improve the current stability.

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Ketersediaan

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Informasi Detail

Judul Seri

C A R B ON

No. Panggil

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Penerbit

London : Elsevier Ltd.., 2008

Deskripsi Fisik

C A R B ON 4 6 ( 2 0 0 8 ) 7 5 3 –7 5 8

Bahasa

English

ISBN/ISSN

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Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

KIMIA

Info Detail Spesifik

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Pernyataan Tanggungjawab

agus

Versi lain/terkait

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