2018年7月5日 · We investigated interlayer phonon modes of mechanically exfoliated few-layer 2H-SnS 2 samples by using room temperature low-frequency micro-Raman spectroscopy. Raman measurements were...

2020年10月30日 · Raman spectra reveal the presence of prominent A 1g mode whose intensity increases with increase in growth time, indicating an increase in layer number. UV–Vis and PL spectra indicate the excitonic absorptions and emissions from the SnS 2 nanoparticles.

2022年5月1日 · The as-synthesized 2H-SnS 2 and 4H-SnS 2 have been distinguished by XRD, ULF Raman spectroscopy, and HR-TEM. The ULF shear and breathing Raman modes of 2H-SnS 2 and 4H-SnS 2 nanosheets have been

1976年12月1日 · The first order Raman spectra of the Group IVa layer compounds SnS 2 and SnSe 2 are presented. The two Raman active modes of each compound have been identified and on the basis of their observed symmetry assigned in accord with group theoretical predictions.

2020年11月13日 · To maximize the value of SnS 2 in the application design, this paper analyzes the angle-resolved polarized Raman spectra of SnS 2 crystals grown under high-temperature sealing systems. Under the parallel scattering configuration test of both the sample basal plane and the cross plane, we observed that how the Raman scattering intensity of the ...

1977年4月28日 · The Raman spectra of 2H and 4H-SnS 2 and 6Hb-SnSe 2 have been studied at room and liquid nitrogen temperatures. Interpretation of the observed Raman modes is given in terms of the different symmetries of these polytypes and the more important short-range forces involved in determining the energies of the higher-energy phonon modes are ...

2016年9月29日 · The layer-dependent Raman spectra display a strong decrease of intensities of the Raman active A 1g mode upon decreasing the number of layers down to a monolayer, by a factor of 7 in the case of SnS 2 and a factor of 20 in the case of SnSe 2 which can be used to identify number of layers in a 2D sample. I. INTRODUCTION

In this paper, we examine the effects of these two factors on the photoelectronic currents of SnS2 flake. The defects on a single crystal SnS2 surface are fabricated by hydrogen and oxygen...

2024年1月31日 · In this work, we develop simple surface-enhanced Raman scattering (SERS)-active gold-functionalized SnS 2 quantum dots (Au/SnS 2 QDs) that can detect and photodegrade Hg 2+ ions under visible light irradiation. Crystal violet (CV) dye is used as the indirect Raman probe for SERS detection at an excitation laser of 532 nm.

2016年9月14日 · The layer dependent structural, electronic and vibrational properties of SnS2 and SnSe2 are investigated using first-principles density functional theory (DFT). The in-plane lattice constants, interlayer distances and binding energies are found to be layer-independent.