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Low temperature synthesis of TaB 2 nanorods by molten‐salt assisted borothermal reduction
Author(s) -
Wei Tingting,
Liu Zetan,
Ren Donglou,
Deng Xiangong,
Deng Qihuang,
Huang Qing,
Ran Songlin
Publication year - 2018
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/jace.15231
Subject(s) - nanorod , molten salt , amorphous solid , materials science , chemical engineering , salt (chemistry) , phase (matter) , morphology (biology) , argon , chemistry , nanotechnology , crystallography , metallurgy , organic chemistry , biology , engineering , genetics
TaB 2 powders were synthesized by a molten‐salt assisted borothermal reduction method at 900°C‐1000°C in flowing argon using Ta 2 O 5 and amorphous B as starting materials. The results indicated that the presence of liquid phase, such as B 2 O 3 and NaCl/ KC l, accelerated the mass transfer of reactant species and resulted in the complete finish of the reaction at low temperatures. The obtained TaB 2 powders exhibited a flow‐like shape assembled from nanorods grow along [001] direction or c ‐axis. The morphology of the synthesized TaB 2 powders could be tailored by the amount of B 2 O 3 or NaCl/ KC l.
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