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Title: Additive-assisted synthesis of boride, carbide, and nitride micro/nanocrystals

Abstract

General and simple methods for the syntheses of borides, carbides and nitrides are highly desirable, since those materials have unique physical properties and promising applications. Here, a series of boride (TiB{sub 2}, ZrB{sub 2}, NbB{sub 2}, CeB{sub 6}, PrB{sub 6}, SmB{sub 6}, EuB{sub 6}, LaB{sub 6}), carbide (SiC, TiC, NbC, WC) and nitride (TiN, BN, AlN, MgSiN{sub 2}, VN) micro/nanocrystals were prepared from related oxides and amorphous boron/active carbon/NaN{sub 3} with the assistance of metallic Na and elemental S. In-situ temperature monitoring showed that the reaction temperature could increase quickly to {approx}850 Degree-Sign C, once the autoclave was heated to 100 Degree-Sign C. Such a rapid temperature increase was attributed to the intense exothermic reaction between Na and S, which assisted the formation of borides, carbides and nitrides. The as-obtained products were characterized by XRD, SEM, TEM, and HRTEM techniques. Results in this report will greatly benefit the future extension of this approach to other compounds. - Graphical abstract: An additive-assisted approach is successfully developed for the syntheses of borides, carbides and nitrides micro/nanocrystals with the assistance of the exothermic reaction between Na and S. Highlights: Black-Right-Pointing-Pointer An additive-assisted synthesis strategy is developed for a number of borides, carbides andmore » nitrides. Black-Right-Pointing-Pointer The reaction mechanism is demonstrated by the case of SiC nanowires. Black-Right-Pointing-Pointer The formation of SiC nanowires is initiated by the exothermic reaction of Na and S.« less

Authors:
 [1];  [2]; ; ; ;  [1];  [1];  [1]
  1. Key Laboratory of Colloid and Interface Chemistry (Shandong University), Ministry of Education, and Department of Chemistry, Shandong University, Jinan 250100 (China)
  2. Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Shandong University), Ministry of Education, and School of Materials Science and Engineering, Shandong University, Jinan 250061 (China)
Publication Date:
OSTI Identifier:
22149852
Resource Type:
Journal Article
Journal Name:
Journal of Solid State Chemistry
Additional Journal Information:
Journal Volume: 194; Other Information: Copyright (c) 2012 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0022-4596
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; ALUMINIUM NITRIDES; BORON NITRIDES; CERIUM BORIDES; EUROPIUM BORIDES; LANTHANUM BORIDES; NIOBIUM BORIDES; NIOBIUM CARBIDES; PRASEODYMIUM BORIDES; REACTION KINETICS; SAMARIUM BORIDES; SCANNING ELECTRON MICROSCOPY; SILICON CARBIDES; SYNTHESIS; TEMPERATURE MONITORING; TITANIUM CARBIDES; TRANSMISSION ELECTRON MICROSCOPY; TUNGSTEN CARBIDES; X-RAY DIFFRACTION; ZIRCONIUM BORIDES

Citation Formats

Chen, Bo, Yang, Lishan, Heng, Hua, Chen, Jingzhong, Zhang, Linfei, Xu, Liqiang, Qian, Yitai, and Yang, Jian. Additive-assisted synthesis of boride, carbide, and nitride micro/nanocrystals. United States: N. p., 2012. Web. doi:10.1016/J.JSSC.2012.05.032.
Chen, Bo, Yang, Lishan, Heng, Hua, Chen, Jingzhong, Zhang, Linfei, Xu, Liqiang, Qian, Yitai, & Yang, Jian. Additive-assisted synthesis of boride, carbide, and nitride micro/nanocrystals. United States. doi:10.1016/J.JSSC.2012.05.032.
Chen, Bo, Yang, Lishan, Heng, Hua, Chen, Jingzhong, Zhang, Linfei, Xu, Liqiang, Qian, Yitai, and Yang, Jian. Mon . "Additive-assisted synthesis of boride, carbide, and nitride micro/nanocrystals". United States. doi:10.1016/J.JSSC.2012.05.032.
@article{osti_22149852,
title = {Additive-assisted synthesis of boride, carbide, and nitride micro/nanocrystals},
author = {Chen, Bo and Yang, Lishan and Heng, Hua and Chen, Jingzhong and Zhang, Linfei and Xu, Liqiang and Qian, Yitai and Yang, Jian},
abstractNote = {General and simple methods for the syntheses of borides, carbides and nitrides are highly desirable, since those materials have unique physical properties and promising applications. Here, a series of boride (TiB{sub 2}, ZrB{sub 2}, NbB{sub 2}, CeB{sub 6}, PrB{sub 6}, SmB{sub 6}, EuB{sub 6}, LaB{sub 6}), carbide (SiC, TiC, NbC, WC) and nitride (TiN, BN, AlN, MgSiN{sub 2}, VN) micro/nanocrystals were prepared from related oxides and amorphous boron/active carbon/NaN{sub 3} with the assistance of metallic Na and elemental S. In-situ temperature monitoring showed that the reaction temperature could increase quickly to {approx}850 Degree-Sign C, once the autoclave was heated to 100 Degree-Sign C. Such a rapid temperature increase was attributed to the intense exothermic reaction between Na and S, which assisted the formation of borides, carbides and nitrides. The as-obtained products were characterized by XRD, SEM, TEM, and HRTEM techniques. Results in this report will greatly benefit the future extension of this approach to other compounds. - Graphical abstract: An additive-assisted approach is successfully developed for the syntheses of borides, carbides and nitrides micro/nanocrystals with the assistance of the exothermic reaction between Na and S. Highlights: Black-Right-Pointing-Pointer An additive-assisted synthesis strategy is developed for a number of borides, carbides and nitrides. Black-Right-Pointing-Pointer The reaction mechanism is demonstrated by the case of SiC nanowires. Black-Right-Pointing-Pointer The formation of SiC nanowires is initiated by the exothermic reaction of Na and S.},
doi = {10.1016/J.JSSC.2012.05.032},
journal = {Journal of Solid State Chemistry},
issn = {0022-4596},
number = ,
volume = 194,
place = {United States},
year = {2012},
month = {10}
}