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Field nanoemitters: ultrathin BN nanosheets protruding from Si3N4 nanowires.
- Source :
-
Nano letters [Nano Lett] 2006 Dec; Vol. 6 (12), pp. 2982-6. - Publication Year :
- 2006
-
Abstract
- Field emitters in nanoscale are important in micro/nanoelectronic devices. Here, we report a large scale synthesis and effective field emission of field nanoemitters. The integrated nanostructures of ultrathin BN nanosheets aligned on Si3N4 nanowires are prepared through a two-stage process. Si3N4 nanowires were previously synthesized through heating Si powder at 1500 degrees C under a N2 atmosphere. Ultrathin BN nanosheets were then deposited on Si3N4 nanowires by heating a homemade B-N-O precursor under a N2/NH3 atmosphere. The as-prepared nanofilaments act as cold electron emitters displaying excellent field emission performance owing to the untrathin and sharp edges of the protruding BN nanosheets.
Details
- Language :
- English
- ISSN :
- 1530-6984
- Volume :
- 6
- Issue :
- 12
- Database :
- MEDLINE
- Journal :
- Nano letters
- Publication Type :
- Academic Journal
- Accession number :
- 17163744
- Full Text :
- https://doi.org/10.1021/nl061594s