Tunable resonant Raman scattering with temperature in vertically aligned 2H-SnS2 Article Swipe

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Atul G. Chakkar , Deepu Kumar , Ashok Kumar , Mahesh Kumar , Pradeep Kumar ·

YOU? · · 2025 · Open Access · · DOI: https://doi.org/10.48550/arxiv.2505.01345

Two-dimensional semiconducting materials have a wide range of applications in various fields due to their excellent properties and rich physics. Here, we report a detailed investigation of the temperature dependent Raman and Photoluminescence measurements on the vertically aligned 2H-SnS2 grown by CVD method. Our results established the tunability of the resonant Raman scattering with varying temperature, i.e. a crossover between resonance and non-resonance conditions for the current system. We also discussed the temperature as well as laser power dependence of the low frequency asymmetric Raman mode which is interlayer shear mode. Temperature dependence of the intensity of the phonon modes also manifests the tunability of the resonant Raman scattering with temperature. Our temperature dependent Photoluminescence measurement shows the strong temperature dependence of the excitonic peaks which is confirmed with laser power dependence of the Photoluminescence measurement at room temperature. Our investigation may help to design and fabricate devices based on vertically aligned 2H-SnS2 and other similar materials in future.

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Type: preprint
Language: en
Landing Page: http://arxiv.org/abs/2505.01345
PDF: https://arxiv.org/pdf/2505.01345
OA Status: green
OpenAlex ID: https://openalex.org/W4414771209

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OpenAlex ID: https://openalex.org/W4414771209

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DOI: https://doi.org/10.48550/arxiv.2505.01345

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Title: Tunable resonant Raman scattering with temperature in vertically aligned 2H-SnS2

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Type: preprint

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Language: en

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Publication year: 2025

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Publication date: 2025-05-02

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Authors: Atul G. Chakkar, Deepu Kumar, Ashok Kumar, Mahesh Kumar, Pradeep Kumar

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Landing page: https://arxiv.org/abs/2505.01345

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PDF URL: https://arxiv.org/pdf/2505.01345

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Open access: Yes

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OA status: green

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Cited by: 0

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