Field Emission of Individual Carbon Nanotubes and its Improvement by Decoration with Ruthenium Dioxide Super-Nanoparticles | Zendy

Pou Liu | Zendy; Fumihito Arai | Zendy; Lixin Dong | Zendy; Toshio Fukuda | Zendy; Tsuneyuki Noguchi | Zendy; Katsuyoshi Tatenuma | Zendy

Open Access

Field Emission of Individual Carbon Nanotubes and its Improvement by Decoration with Ruthenium Dioxide Super-Nanoparticles

Author(s) -

Pou Liu,

Fumihito Arai,

Lixin Dong,

Toshio Fukuda,

Tsuneyuki Noguchi,

Katsuyoshi Tatenuma

Publication year - 2005

Publication title -

journal of robotics and mechatronics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.257

H-Index - 19

eISSN - 1883-8049

pISSN - 0915-3942

DOI - 10.20965/jrm.2005.p0475

Subject(s) - field electron emission , materials science , tungsten , ruthenium , carbon nanotube , nanoparticle , nanotechnology , chemical engineering , electron , chemistry , catalysis , organic chemistry , metallurgy , physics , quantum mechanics , engineering

To reduce energy consumption by carbon nanotubes (CNTs) used as emitters in applications such as field emission display, and electron-beam-induced deposition (EBID), nano-sized metallic super-nanoparticles of ruthenium dioxide are decorated on the surface of CNTs. We studied field emission properties and found that the work voltage is 23% lower than that of as-grown CNT emitters. To obtain conductive nanostructures, electron-beam-induced deposition using an individual multiwalled carbon nanotube (MWNT) emitter decorated with ruthenium dioxide is realized by introducing tungsten hexacarbonyl (W(CO) 6 ) as a precursor. The tungsten mass in deposits is rich at 98.89% as determined by energy x-ray dispersive spectrometer (EDS). We thus obtained nearly pure-metal deposits.

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