Large-scale synthesis of single-crystal molybdenum trioxide nanobelts by hot-wire chemical vapour deposition

被引：23
|
作者：
Chen, Jianjun [1 ,3 ]
Wang, Mingming [2 ]
Liao, Xin [2 ]
Liu, Zhaoxiang [2 ]
Zhang, Judong [2 ]
Ding, Lijuan [2 ]
Gao, Li [1 ]
Li, Ye [2 ]
机构：
[1] Zhejiang Sci Tech Univ, Coll Machinery & Automat, Dept Mat Forming & Control Engn, Hangzhou 310018, Zhejiang, Peoples R China
[2] Zhejiang Sci Tech Univ, Coll Mat & Text, Dept Mat Engn, Hangzhou 310018, Zhejiang, Peoples R China
[3] Zhejiang Univ, State Key Lab Silicon Mat, Hangzhou 310027, Zhejiang, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2015年 / 619卷
关键词：
Molybdenum oxide; Hot-wire chemical vapor deposition; Nanobelts; Large-scale synthesis; MOO3; NANOBELTS; FIELD-EMISSION; CATHODE MATERIAL; NANOWIRE ARRAYS; SILICON FILMS; THIN-FILMS; POLYCRYSTALLINE; MICROCRYSTALLINE; PERFORMANCE; EVOLUTION;
D O I：
10.1016/j.jallcom.2014.09.069
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Bulk quantities of molybdenum trioxide (alpha-MoO3) nanobelts were synthesized via hot wire chemical vapor deposition on the surface of the MoSi2 rod electric heater at 600 degrees C under air atmosphere. The MoO3 nanobelts grown on each MoSi2 rod were up to 20 g in weight. The possible vapor-solid growth mechanism was discussed. Before the growth of MoO3 nanobelts, SiO2 protective layers of MoSi2 rod electric heater were deoxidized by the carbothermal reduction reaction, and Mo2C was formed on the surface of the MoSi2 rods. When Mo2C was oxidized under air atmosphere, Mo-O vapor was deposited on the hot MoSi2 rod surface to form yellow MoO3 nanobelts. The hot wire chemical vapor deposition technique is desirable for the large-scale production of MoO3 nanomaterials. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：406 / 410
页数：5
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