NDLI: A simple spraying process greatly enhanced field emission of novel T-ZnO-supported CNT emitters

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Back cover

Journal of Materials Chemistry C Vol - 4 Issue - 7

Journal of Materials Chemistry C Vol - 4 Issue - 6

Journal of Materials Chemistry C Vol - 4 Issue - 5

Journal of Materials Chemistry C Vol -3

Journal of Materials Chemistry C Vol -2

Journal of Materials Chemistry C Vol -1

A simple spraying process greatly enhanced field emission of novel T-ZnO-supported CNT emitters

Content Provider	Royal Society of Chemistry (RSC)
Author	Lv, Jun Qian, Kun Liu, Jiahui Ai, Jingwei Zhang, Yuxiang Yan, Wenhuan Chen, Enguo Yang, Zunxian Guo, Tailiang Hu, Liqin
Copyright Year	2016
Abstract	T-ZnO-supported CNT emitters were fabricated by using a simple process involving two spraying steps followed by heat treatment in air. The T-ZnO-supported CNT emitter was observed to form a particular architecture with the T-ZnO support containing a vertically aligned CNT emitter firmly attached to the electrode. These particular T-ZnO-supported carbon nanotube emitters displayed good contacts with the substrate, vertically aligned CNT emitters and density-controllable T-ZnO supports, which all appear to explain the excellent field emission performance of the electrode. Of the materials tested, the T-ZnO-supported CNT emitters exhibited the best field emission capability, i.e., the lowest turn-on electrical field, with a value of 0.96 V μm−1 at a current density of 0.01 mA cm−2, and the highest field enhancement factor, with a value of 13 883, as well as good emission stability, with only ∼18% of the current attenuated over an operating span of ∼200 min. These characteristics indicate that the T-ZnO-supported CNT emitters constitute a very promising cathode material candidate for field emission.
Starting Page	1658
Ending Page	1664
Page Count	7
File Format	HTM / HTML PDF
ISSN	20507526
Volume Number	4
Issue Number	8
Journal	Journal of Materials Chemistry C
DOI	10.1039/c5tc03507d
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	CNT Electrode Carbon nanotube Micrometre Current density Cathode
Content Type	Text
Resource Type	Article
Subject	Chemistry Materials Chemistry

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