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Different one dimensional (1D) carbon nanostructures, such as carbon nanonoodles (CNNs), carbon nanospikes (CNSs) and carbon nanotubes (CNTs) have been synthesized via thermal chemical vapour deposition (TCVD) technique. The different 1D morphologies were synthesized by varying the substrate material and the deposition conditions. The as-prepared samples were characterized by X-ray diffraction (XRD), field emission scanning electron microscope (FESEM) and transmission electron microscope (TEM). FESEM and TEM images showed that the diameters of the CNNs and CNTs were ∼40 nm while the diameters of the CNSs were around 100 nm. Field emission studies of the as-prepared samples showed that CNSs to be a better field emitter than CNNs, whereas CNTs are the best among the three producing large emission current. The variation of field emission properties with inter-electrode distance has been studied in detail. Also the time dependent field emission studies of all the nanostructures have been carried out.

Titel:	A comparative study of field-emission from different one dimensional carbon nanostructures synthesized via thermal CVD system
Autor/in / Beteiligte Person:	JHA, A ; BANERJEE, D ; CHATTOPADHYAY, K. K
Link:	E-Journal im Bestand der UB Hagen? View record from PASCAL Archive
Zeitschrift:	Applied surface science, Jg. 257 (2011), Heft 6, S. 1946-1951
Veröffentlichung:	Amsterdam: Elsevier, 2011
Medientyp:	academicJournal
Umfang:	print, 32 ref
ISSN:	0169-4332 (print)
Schlagwort:	General chemistry, physical chemistry Chimie générale, chimie physique Crystallography Cristallographie cristallogenèse Nanotechnologies, nanostructures, nanoobjects Nanotechnologies, nanostructures, nanoobjets Condensed state physics Physique de l'état condensé Sciences exactes et technologie Exact sciences and technology Physique Physics Etat condense: structure, proprietes mecaniques et thermiques Condensed matter: structure, mechanical and thermal properties Structure des liquides et des solides; cristallographie Structure of solids and liquids; crystallography Nanomatériaux : agrégats, nanoparticules, nanotubes et nanocristaux Nanoscale materials: clusters, nanoparticles, nanotubes, and nanocrystals Etat condense: structure electronique, proprietes electriques, magnetiques et optiques Condensed matter: electronic structure, electrical, magnetic, and optical properties Emissions électronique et ionique; phénomènes d'impact Electron and ion emission by liquids and solids; impact phenomena Emission, ionisation, évaporation et désorption de champ Field emission, ionization, evaporation, and desorption Domaines interdisciplinaires: science des materiaux; rheologie Cross-disciplinary physics: materials science; rheology Science des matériaux Materials science Méthodes de dépôt de films et de revêtements; croissance de films et épitaxie Methods of deposition of films and coatings; film growth and epitaxy Dépôt chimique en phase vapeur (incluant le cvd activé par plasma, mocvd, etc.) Chemical vapor deposition (including plasma-enhanced cvd, mocvd, etc.) Clusters, nanoparticles, and nanocrystalline materials Chemical vapor deposition (including plasma-enhanced CVD, MOCVD, etc.) Carbone Carbon Cathode émission champ Field emitter Cátodo emisión campo Croissance film Film growth Diffraction RX XRD Dépendance temps Time dependence Dépôt chimique phase vapeur CVD Emission champ Field emission Etude comparative Comparative study Estudio comparativo Microscopie électronique balayage Scanning electron microscopy Microscopie électronique transmission Transmission electron microscopy Nanostructure Nanostructures Nanotube carbone Carbon nanotubes Système 1 dimension One-dimensional systems 61.48.De 79.70.+q 81.15.Gh Carbon nanostructure Chemical vapor deposition
Sonstiges:	Nachgewiesen in: PASCAL Archive Sprachen: English Original Material: INIST-CNRS Document Type: Article File Description: text Language: English Author Affiliations: Thin Film & Nanoscience Laboratory, Department of Physics, Jadavpur University, Raja SC Mallik Road, Kolkata 700 032, India ; School of Materials Science and Nanotechnology,Jadavpur University, Raja SC Mallik Road, Kolkata 700 032, India Rights: Copyright 2015 INIST-CNRS ; CC BY 4.0 ; Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d’une licence CC BY 4.0 Inist-CNRS / Unless otherwise stated above, the content of this bibliographic record may be used under a CC BY 4.0 licence by Inist-CNRS / A menos que se haya señalado antes, el contenido de este registro bibliográfico puede ser utilizado al amparo de una licencia CC BY 4.0 Inist-CNRS Notes: Physics and materials science ; Physics of condensed state: electronic structure, electrical, magnetic and optical properties ; Physics of condensed state: structure, mechanical and thermal properties

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A comparative study of field-emission from different one dimensional carbon nanostructures synthesized via thermal CVD system