Journal
2D MATERIALS
Volume 8, Issue 1, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/2053-1583/abb877
Keywords
antimonene; micromechanical exfoliation; 2D materials; Raman spectroscopy; phonon shift; oxidation; heat transfer
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Funding
- European Research Council (ERC Starting Grant) [804110 2D-PnictoChem]
- Generalitat Valenciana - FEDER [CIDEGENT/2018/001, iDiFEDER/2018/061]
- Spanish MICINN [PID2019-111742GA-I00]
- Spanish MICINN (Excellence Unit Maria de Maeztu) [CEX2019-000919-M]
- Deutsche Forschungsgemeinschaft (DFG) [FLAG-ERA AB694/2-1]
- Generalitat Valenciana [CIDEGENT/2018/005]
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The article introduces a method for preparing antimonene nanosheets and delves into their physical properties and potential applications through studies on thermal response and Raman spectral analysis.
Two-dimensional (2D) sheets of antimonene have attracted increasing attention due to their unique physical and chemical properties prompting potential for diverse applications. We present a facile method to prepare high-quality antimonene nanosheets (ANSs) by micromechanical exfoliation on SiO2/Si substrate. The temperature- and laser power-dependent Raman studies of exfoliated ANSs are reported and analyzed. It was found that both the out-of-plane A(1g) and the in-plane E-g modes red-shift linearly with increase in temperature, pointing towards anharmonic vibrations of the lattice. The thermal response of the ANSs on a SiO2/Si surface is also described using numerical simulation of the heat transfer to study their laser-induced oxidation mechanisms. These results offer a deeper understanding of the phonon properties and oxidation susceptibility of 2D antimonene paving the way for the development of antimonene-based technologies, such as electronic devices or photothermal cancer therapy.
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