Structural and optical properties of Mn doped ZnS semiconductor nanostructures

被引:15
作者
Gogoi, D. P. [1 ]
Ahmed, G. A. [1 ]
Mohanta, D. [1 ]
Choudhury, A. [1 ]
Stanciu, G. A. [2 ]
机构
[1] Tezpur Univ, Dept Phys, Nanosci Lab, Tezpur 784028, Assam, India
[2] Univ Politeh Bucharest, Ctr Microscopy Microanal & Image Proc, Bucharest, Romania
关键词
Nanostructures; quantum confinement; luminescence; NANOCRYSTALS; SPECTROSCOPY;
D O I
10.1007/s12648-010-0127-7
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Manganese doped zinc sulphide nanoparticles were fabricated by adopting an inexpensive solution growth route. Different samples were fabricated by varying Mn concentrations. UV-VIS study reveals blue-shift on the onset of absorption and hence enhancement in the optical band gap upto 0.75 eV, indicating strong quantum confinement. Photoluminescene study for all the samples display characteristic band edge peak at similar to 410 nm. The broad peak similar to 560-580 nm is ascribed to Mn incorporation. Further, structural investigations were carried out by using X-Ray diffraction and transmission electron microscopy (TEM).
引用
收藏
页码:1361 / 1367
页数:7
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