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Author Bansode, Sanjeewani ♦ Khare, Ruchita ♦ Harpale, Kashmira ♦ Kolhe, Pankaj ♦ More, Mahendra
Source United States Department of Energy Office of Scientific and Technical Information
Content type Text
Language English
Subject Keyword CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY ♦ NANOSCIENCE AND NANOTECHNOLOGY ♦ CARBON OXIDES ♦ COPPER ♦ COPPER OXIDES ♦ CURRENT DENSITY ♦ DEPOSITION ♦ ELECTRON SOURCES ♦ EVAPORATION ♦ FIELD EMISSION ♦ FOILS ♦ GRAPHENE ♦ NANOCOMPOSITES ♦ NANOPARTICLES ♦ SHEETS ♦ SYNTHESIS
Abstract In this work, a facile one step thermal evaporation method for deposition of Cu{sub 2}O nanoparticles on RGO sheets to form Cu{sub 2}O-RGO nanocomposite is discussed. To the best of our knowledge, this is the first report on Cu{sub 2}O-RGO nanocomposite, directly grown on Cu foil by a simple thermal evaporation route. The as –prepared nanocomposite exhibits well dispersed Cu{sub 2}O nanoparticles distributed all over the graphene sheet. Field emission properties of the nanocomposite were investigated at a base pressure of 1*10{sup −8} torr. The turn on field, required to draw emission current density of 0.1µA/cm2, was found to be 3.8V/µm with a maximum emission current density of 80 µA/cm2 at an applied field of 6.8 V/µm. Moreover, the nanocomposite shows fairly good emission stability without significant degradation of emission current. The FE results seem to be encouraging, indicative of potential candidature of the Cu{sub 2}O-RGO nanocomposite emitter as an electron source for practical applications in vacuum nanoelectronic devices.
ISSN 0094243X
Educational Use Research
Learning Resource Type Article
Publisher Date 2015-06-24
Publisher Place United States
Volume Number 1665
Issue Number 1


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