2016年9月1日 · Experimental results demonstrate that the NbS 2 nanosheets exhibit high electrochemical performance for Na + storage, low charge-transfer resistance and excellent cycling stability. The sodiation/desodiation mechanisms in NbS 2 nanosheets have been studied by using in situ X-ray diffraction (XRD). 2. Experimental. 2.1. Material synthesis.

Raman, XRD and EDX on 2H NbS2: Click on an image to zoom. X-ray diffraction on a single crystal 2H-NbS2 aligned along the (001) plane. XRD diffraction was performed at room temperature using a D8 Venture Bruker. The 4 XRD peaks correspond, from left to right, to (00l) with l = 2, 4, 6, 8 Powder X-ray diffraction (XRD) of a single crystal 2H ...

The single crystal 3R NbS2 is characterized using: XRD: single crystal and powder X-ray diffraction (D8 Venture Bruker and D8 Advance Bruker) EDX: Energy-dispersive X-ray spectroscopy for stoichiometric analysis Raman: 785 nm Raman system

NbS2 is Molybdenite-like structured and crystallizes in the hexagonal P-6m2 space group. The structure is two-dimensional and consists of one NbS2 sheet oriented in the (0, 0, 1) direction. Nb4+ is bonded to six equivalent S2- atoms to form …

2022年1月1日 · Electronic and optical properties of NbS 2 are of particular interest and importance for applications in optoelectronics as light emitters, detectors, and photovoltaic devices. Energy dispersive analysis by X-ray (EDAX) was used to verify the compositional elements of NbS 2 crystals.

2016年9月1日 · Experimental results demonstrate that the NbS 2 nanosheets exhibit high electrochemical performance for Na + storage, low charge-transfer resistance and excellent cycling stability. The sodiation/desodiation mechanisms in NbS 2 nanosheets have been studied by using in situ X-ray diffraction (XRD).

NbS2 is trigonal omega structured and crystallizes in the monoclinic C2/m space group. The structure is two-dimensional and consists of one NbS2 sheet oriented in the (0, 0, 1) direction. Nb4+ is bonded to six equivalent S2- atoms to form edge-sharing NbS6 octahedra.

Layered NbS2, a member of group-V transition metal dichalcogenides, was synthesized via a colloidal synthesis method and employed as a negative material for a supercapacitor. The...

We compare the XRD patterns of 2H-NbS 2 , 3R-Nb 1+x S 2 and 3R-Ga .1 NbS 2 (LT) in Fig. 1. The 2H phase (a = 3.32Å32Å, c = 11.97Å97Å) had broad (10l) lines indicating well known disorder in...

NbS2 相在退火过程中反应生成。比较常用的制备方法为固相反应方法。主要通过在密闭空间中对 Nb 粉和 S 粉混合物进行加热， Nb 粉与 S 粉按 1:8 的化学份量混合，不断优化反应温度和时间, 获得 NbS2 晶体。 1).NbS2 晶体的结构图如下. 2). 实物图如下： 3).