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Single-Crystal MoO 3 Micrometer and Millimeter Belts Prepared from Discarded Molybdenum Disilicide Heating Elements

Single-Crystal MoO 3 Micrometer and Millimeter Belts Prepared from Discarded Molybdenum Disilicide Heating Elements

Xiaolong Hou, Juntong Huang, Mingqiang Liu, Xibao Li, Zhihui Hu, Zhijun Feng, Meng Zhang, Junming Luo

Sci Rep. 2018 Nov 13;8(1):16771.

PMID: 30425262

Abstract:

Single-crystal MoO3 micrometer to millimeter even centimeter belts were prepared via a novel route of oxidizing a discarded molybdenum disilicide heating element at 1000 °C for 3 h. The morphology and structure features, and growth mechanism of the products were evidently investigated by X-ray diffraction, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, scanning electron microscopy, and transmission electron microscopy. The results indicated that the powdery and fibrous products were typical α-MoO3 belt-like structures which size could develop from micrometer to several millimeter even centimeter in length and up to 0.5 mm in width. It should be formed preferentially along the [001] direction via layer by layer growth to form 1-D single MoO3 belts by vapor-solid mechanism. Thermal and luminescence properties of the products were revealed by thermogravimetric analysis and differential thermal analysis and photoluminescence spectra that the resultant α-MoO3 belts had good thermal stability and characteristics of luminescence with a central peak at 481 nm. The MoO3 belts are of good potential being applied to luminescent and high temperature devices.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP12136786	Molybdenum disilicide		12136-78-6	Price

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