Enhanced Field Emission Properties from CNT Arrays Synthesized on Inconel Superalloy

被引：55

作者：

Sridhar, S. ^{[1
,2
]}

Ge, L. ^{[2
]}

Tiwary, C. S. ^{[2
,6
]}

Hart, A. C. ^{[2
]}

Ozden, S. ^{[2
]}

Kalaga, K. ^{[2
]}

Lei, S. ^{[2
]}

Sridhar, S. V. ^{[3
]}

Sinha, R. K. ^{[1
]}

Harsh, H. ^{[4
]}

Kordas, K. ^{[5
]}

Ajayan, P. M. ^{[2
]}

Vajtai, R. ^{[2
]}

机构：

[1] Delhi Technol Univ, Dept Appl Phys, Delhi 110042, India

[2] Rice Univ, Dept Mat Sci & NanoEngn, Houston, TX 77005 USA

[3] Rice Univ, Dept Chem & Biomol Engn, Houston, TX 77005 USA

[4] Jamia Millia Islamia, Dept Phys, New Delhi 110025, India

[5] Univ Oulu, Dept Elect Engn, Microelect & Mat Phys Labs, FI-90014 Oulu, Finland

[6] Indian Inst Sci, Bangalore 560012, Karnataka, India

来源：

ACS APPLIED MATERIALS & INTERFACES | 2014年 / 6卷 / 03期

关键词：

carbon nanotube; water assisted CVD; adhesion; field emission; ohmic contact; CARBON NANOTUBE FILMS; DIRECT GROWTH; NANOFIBERS;

D O I：

10.1021/am405026y

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

One of the most promising materials for fabricating cold cathodes for next generation high-performance flat panel devices is carbon nanotubes (CNTs). For this purpose, CNTs grown on metallic substrates are used to minimize contact resistance. In this report, we compare properties and field emission performance of CNTs grown via water assisted chemical vapor deposition using Inconel vs silicon (Si) substrates. Carbon nanotube forests grown on Inconel substrates are superior to the ones grown on silicon; low turn-on fields (similar to 1.5 V/mu m), high current operation (similar to 100 mA/cm(2)) and very high local field amplification factors (up to similar to 7300) were demonstrated, and these parameters are most beneficial for use in vacuum microelectronic applications.

引用

页码：1986 / 1991

页数：6

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