Cerium-doped MoS2 layered nanostructures for enhanced photocatalytic activity under visible light illumination

被引：3
|
作者：
Sabarinathan, M. [1 ]
Hayakawa, Y. [2 ]
Harish, S. [3 ]
机构：
[1] SRM Inst Sci & Technol, Res & Virtual Educ, Kattankulathur, Tamil Nadu 603203, India
[2] Shizuoka Univ, Elect Res Inst, 3-5-1 Johoku,Naka Ku, Hamamatsu, Shizuoka 4328011, Japan
[3] SRM Inst Sci & Technol, Dept Phys & Nanotechnol, Funct Mat & Energy Devices Lab, Kattankulathur 603203, Tamil Nadu, India
来源：
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2022年 / 33卷 / 17期
关键词：
FACILE SYNTHESIS; WATER; NANOPARTICLES; PERFORMANCE; DYE; MICROSPHERES; EFFICIENCY; NANOSHEETS; CRYSTALS; GRAPHENE;
D O I：
10.1007/s10854-022-08330-6
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Layered 2D molybdenum disulfide (MoS2) and Ce-doped MoS2 nanostructures were synthesized by the hydrothermal method. X-ray diffraction patterns reveal the hexagonal symmetry of MoS2 nanostructures. The X-ray photoelectron spectroscopy confirmed the presence of Ce ions in MoS2 nanostructures with a significant peak shift. Morphological analysis confirms the formation of layered MoS2 nanosheets. The effect of Ce ions in MoS2 nanostructures was investigated against methylene blue (MB) under visible light irradiation. 5 mM Ce-doped MoS2 exhibits 99.36% of degradation efficiency against MB under visible light irradiation. The effective suppression of electron-hole pairs enhances the degradation efficiency upon the introduction of Ce ions in the MoS2 matrix. A possible charge transfer mechanism has been proposed.
引用
收藏
页码：13988 / 14000
页数：13
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