Effects of supercritical fluids activation on carbon nanotube field emitters

Po-Tsun Liu; Chih Tsung Tsai; Ting Chang; Kon Tsu Kin; Pei Lin Chang; Chioumei Chen; Yi Ching Chen

doi:10.1109/TNANO.2006.886785

Effects of supercritical fluids activation on carbon nanotube field emitters

Po-Tsun Liu^*, Chih Tsung Tsai, Ting Chang, Kon Tsu Kin, Pei Lin Chang, Chioumei Chen, Yi Ching Chen

^*此作品的通信作者

光電工程學系

研究成果: Article › 同行評審

15 引文斯高帕斯（Scopus）

摘要

This paper proposes a novel method to enhance the emission characteristics of carbon nanotubes (CNTs). It is extremely possible for CNTs to adsorb moisture and other contaminants during the fabrication processes, leading to the degraded field emission characteristics. In this work, CNT emitters are activated with commonly used heating process and supercritical carbon dioxide (SCCO₂) fluids technology for removing adsorbed residue moisture. Experimental results have demonstrated that the electrical stability and field emission enhancement of CNT emitters are effectively achieved by the SCCO ₂ fluids treatment compared to the heating process, due to the minimization of residuary moisture in CNTs.

原文	English
文章編號	4063337
頁（從 - 到）	29-34
頁數	6
期刊	IEEE Transactions on Nanotechnology
卷	6
發行號	1
DOIs	https://doi.org/10.1109/TNANO.2006.886785
出版狀態	Published - 1月 2007

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title = "Effects of supercritical fluids activation on carbon nanotube field emitters",

abstract = "This paper proposes a novel method to enhance the emission characteristics of carbon nanotubes (CNTs). It is extremely possible for CNTs to adsorb moisture and other contaminants during the fabrication processes, leading to the degraded field emission characteristics. In this work, CNT emitters are activated with commonly used heating process and supercritical carbon dioxide (SCCO2) fluids technology for removing adsorbed residue moisture. Experimental results have demonstrated that the electrical stability and field emission enhancement of CNT emitters are effectively achieved by the SCCO 2 fluids treatment compared to the heating process, due to the minimization of residuary moisture in CNTs.",

keywords = "Carbon nanotubes (CNTs), Field emission, Supercritical carbon dioxide (SCCO $_{2}$ fluids",

author = "Po-Tsun Liu and Tsai, {Chih Tsung} and Ting Chang and Kin, {Kon Tsu} and Chang, {Pei Lin} and Chioumei Chen and Chen, {Yi Ching}",

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AU - Liu, Po-Tsun

AU - Tsai, Chih Tsung

AU - Chang, Ting

AU - Kin, Kon Tsu

AU - Chang, Pei Lin

AU - Chen, Chioumei

AU - Chen, Yi Ching

PY - 2007/1

Y1 - 2007/1

N2 - This paper proposes a novel method to enhance the emission characteristics of carbon nanotubes (CNTs). It is extremely possible for CNTs to adsorb moisture and other contaminants during the fabrication processes, leading to the degraded field emission characteristics. In this work, CNT emitters are activated with commonly used heating process and supercritical carbon dioxide (SCCO2) fluids technology for removing adsorbed residue moisture. Experimental results have demonstrated that the electrical stability and field emission enhancement of CNT emitters are effectively achieved by the SCCO 2 fluids treatment compared to the heating process, due to the minimization of residuary moisture in CNTs.

AB - This paper proposes a novel method to enhance the emission characteristics of carbon nanotubes (CNTs). It is extremely possible for CNTs to adsorb moisture and other contaminants during the fabrication processes, leading to the degraded field emission characteristics. In this work, CNT emitters are activated with commonly used heating process and supercritical carbon dioxide (SCCO2) fluids technology for removing adsorbed residue moisture. Experimental results have demonstrated that the electrical stability and field emission enhancement of CNT emitters are effectively achieved by the SCCO 2 fluids treatment compared to the heating process, due to the minimization of residuary moisture in CNTs.

KW - Carbon nanotubes (CNTs)

KW - Field emission

KW - Supercritical carbon dioxide (SCCO $_{2}$ fluids

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JO - IEEE Transactions on Nanotechnology

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Effects of supercritical fluids activation on carbon nanotube field emitters

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