Please use this identifier to cite or link to this item:
|Title:||Chemical synthesis and characterization of boron/boron nitride core-shell nanostructures||Authors:||Huo, K.F.
|Issue Date:||Jul-2003||Citation:||Huo, K.F.,Hu, Z.,Fu, J.J.,Xu, H.,Wang, X.Z.,Chen, Y.,Lü, Y.N.,Liu, B.H.,Ding, J. (2003-07). Chemical synthesis and characterization of boron/boron nitride core-shell nanostructures. Journal of Materials Research 18 (7) : 1641-1645. ScholarBank@NUS Repository.||Abstract:||A moderate chemical method [i.e., the reaction of diborane (B2H6) and a mixture gas of ammonia and nitrogen (NH3/N2) over nanoscale iron boride at 1100°C] was developed to explore the boron nitride (BN) nanostructures. The products were well characterized by high-resolution electron microscopy and energy-dispersive x-ray spectroscopy. Two types of novel core-shell nanocapsules of amorphous boron core encapsulated in crystalline boron nitride shell were obtained. The first one looked like a peanut with an amorphous B core containing a trace of BN crystallites, a transition layer of BN nanofibers and amorphous B, and a thornlike shell of BN nanofibers. The second one looked like a perfect sphere consisting of a pure amorphous B core and a rather smooth crystalline BN shell. These results not only provided us a new chemical method for preparing BN nanostructures but also enriched the important BN nanostructures family. A growth mechanism is also briefly discussed.||Source Title:||Journal of Materials Research||URI:||http://scholarbank.nus.edu.sg/handle/10635/106980||ISSN:||08842914|
|Appears in Collections:||Staff Publications|
Show full item record
Files in This Item:
There are no files associated with this item.
checked on Oct 10, 2020
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.