水热法合成MoO<sub>3</sub>单晶纳米带及其形成机理<sup>*</sup>

doi:10.11896/j.issn.1005-023X.2017.02.024

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Abstract Single crystal orthorhombic phase MoO₃ (α-MoO₃) nanobelts with uniform diameter were successfully prepared through a simple hydrothermal synthesis route at 180 ℃, using solution of sodium molybdate dihydrate as well as hydrochloric acid as raw materials and without template. The products were characterized by X-ray diffraction, field emission scanning electron microscopy and transmission electron microscopy. It can be concluded that the synthesized α-MoO₃ nanobelts were transformed from the metastable phase h-MoO₃ micro rods formed at low temperature (<90 ℃) by dissolution-recrystallization, and grew along the c-axis direction. Surfactant CTAB could increase aspect ratio of the prepared α-MoO₃ nanobelts.

Key words： molybdenum trioxide hydrothermal synthesis nanobelts formation mechanism aspect ratio

Published: 25 January 2017 Online: 2018-05-02

CLC number:

TQ127

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	GAO Bin
	ZHANG Xiaojun

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GAO Bin,ZHANG Xiaojun. Hydrothermal Synthesis of Single Crystal α-MoO₃ Nanobelts and Their Formation Mechanism[J]. Materials Reports, 2017, 31(2): 112-116.

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https://www.mater-rep.com/EN/10.11896/j.issn.1005-023X.2017.02.024 OR https://www.mater-rep.com/EN/Y2017/V31/I2/112

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