Раманiвська спектроскопiя графено-подiбних наночастинок дисульфiдiв молiбдена i вольфрама
The Raman spectra obtained in the case of graphene-like 2H-MoS2 and 2H-WS2 nanoparticles and depending on their average sizes in the [013] and [110] crystallographic directions are reported. It is established that the Raman spectra of graphene-like 2H-MoS2 nanoparticles and micron particles are clos...
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| Date: | 2019 |
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| Main Authors: | , , |
| Format: | Article |
| Language: | English |
| Published: |
Publishing house "Academperiodika"
2019
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| Subjects: | |
| Online Access: | https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2019080 |
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| Journal Title: | Ukrainian Journal of Physics |
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Ukrainian Journal of Physics| Summary: | The Raman spectra obtained in the case of graphene-like 2H-MoS2 and 2H-WS2 nanoparticles and depending on their average sizes in the [013] and [110] crystallographic directions are reported. It is established that the Raman spectra of graphene-like 2H-MoS2 nanoparticles and micron particles are closely related. Similarities of the Raman spectra point to the homogeneity of graphene-like 2H-MoS2 nanoparticles. The small shifts and the Raman spectrum line widening, for graphene-like 2H-MoS2 and 2H-WS2 nanoparticles, which are caused by the influence of the sizes of nanoparticles and their anisotropy, have been observed. The dependence of Raman spectra of graphene-like 2H-MoS2 nanoparticles on the their size in the crystallographic direction [110] is first shown, i.e. the positions of bands in the spectrum depend not only on the number of nanolayers S-Mo-S, but also on the size in the [110] direction. |
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