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Journal of Materials Science: Materials in Electronics
Erschienen in: Journal of Materials Science: Materials in Electronics 9/2016

05.05.2016

Improved field emission properties of Au nanoparticles and CNTs decorated SnO2 nanowire arrays on carbon fibers

verfasst von: L. A. Ma, Z. H. Wei, T. L. Guo

Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 9/2016

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Abstract

We have developed a simple and effective method to improve field emission (FE) performance of SnO2 nanowire arrays (SnO2 NWs) decorated with low-cost CNTs and conducting Au nanoparticles. SnO2 NWs was grown on carbon fibers (CF) using Au-assisted vapor liquid solid method. CNT and Au nanoparticle decoration of SnO2 NWs was obtained by subsequent decoration via spray-coating and sputtering deposition process. Compared with the as-prepared SnO2 and CNT/SnO2, Au/CNT/SnO2 composite emitters have exhibited predominant FE characteristics with low turn-on field (0.72 V/μm), high field enhancement factor (~5726), and good stability. The FE enhancement was attributed to highly conducted Au nanoparticles and CNTs with sharp tips densely distributed on the surface of SnO2 NWs, which can effectively increase emission site density, favor electron transfer and quickly transmit heat from the emitters to substrate. Our results revealed that Au/CNT/SnO2 composite with excellent FE performance grown on CF can provide the possibility of application in flexible flat panel displays.
Vorheriger Artikel Tuning the structural, optical, photoluminescence and dielectric properties of Eu2+-activated mixed strontium aluminate phosphors with different rare earth co-activators
Nächster Artikel Microwave and broadband dielectric properties of Ni substituted MgTiO3 ceramics

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Metadaten
Titel
Improved field emission properties of Au nanoparticles and CNTs decorated SnO2 nanowire arrays on carbon fibers
verfasst von
L. A. Ma
Z. H. Wei
T. L. Guo
Publikationsdatum
05.05.2016
Verlag
Springer US
Erschienen in
Journal of Materials Science: Materials in Electronics / Ausgabe 9/2016
Print ISSN: 0957-4522
Elektronische ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-016-4937-z

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