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Title: | One-step growth of Si(3)N(4) stem-branch featured nanostructures: Morphology control by VS and VLS mode | Authors: | WANG, Qiushi Gao, Wei SHAN, Lianchen Zhang, Jian Jin, Yunxia Cong, Ridong Cui, Qiliang |
Issue Date: | 2011 | Publisher: | ACADEMIC PRESS INC ELSEVIER SCIENCE | Source: | JOURNAL OF SOLID STATE CHEMISTRY, 184 (9). p. 2553-2558 | Abstract: | We report here one-step synthesis of Si(3)N(4) nanodendrites by selectively applying a vapor-solid (VS) and vapor-liquid-solid (VLS) strategy via direct current arc discharge method. The resultant nanodendrites were characterized by scanning electron microscopy, energy-dispersive X-ray spectroscopy, transmission electron microscopy and X-ray powder diffraction. The spine-shaped nanodendrites were generated by a noncatalytic growth following a VS mode. The uniform secondary nanowire branches were epitaxial grown from two side surfaces of the nanowire stems. The pine-shaped nanodendrites were obtained through a catalytic growth in a VLS process. These branch nanowires were unsystematically grown from the nanocone-like stems. The photoluminescence spectra of the nanodendrites show a strong white light emission around 400-750 nm, suggesting their potential applications in light and electron emission devices. (C) 2011 Elsevier inc. All rights reserved. | Notes: | Cui, QL (reprint author),[Wang, QS; Gao, W; Zhang, J; Jin, YX; Cong, RD; Cui, QL] Jilin Univ, State Key Lab Superhard Mat, Changchun 130012, Peoples R China [Shan, LC] Hasselt Univ, Inst Mat Res IMO, BE-3590 Diepenbeek, Belgium cql@jlu.edu.cn | Keywords: | Silicon nitride; Nanostructure; Arc discharge; Photoluminescence | Document URI: | http://hdl.handle.net/1942/12252 | ISSN: | 0022-4596 | e-ISSN: | 1095-726X | DOI: | 10.1016/j.jssc.2011.06.041 | ISI #: | 000294835700036 | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2012 |
Appears in Collections: | Research publications |
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