Luminescence and Colorimetric Properties of Ultrathin Cadmium Selenide Nanoscrolls

被引:6
作者
Daibagya, D. S. [1 ,2 ,3 ]
Zakharchuk, I. A. [1 ]
Osadchenko, A. V. [1 ]
Selyukov, A. S. [1 ,4 ]
Ambrozevich, S. A. [1 ]
Skorikov, M. L. [1 ]
Vasiliev, R. B. [5 ]
机构
[1] Russian Acad Sci, Lebedev Phys Inst, Moscow 119991, Russia
[2] Moscow Polytech Univ, Moscow 107023, Russia
[3] Bauman Moscow State Tech Univ, Moscow 105005, Russia
[4] Russian Acad Sci, All Russian Inst Sci & Tech Informat VINITI, Moscow 125190, Russia
[5] Lomonosov Moscow State Univ, Moscow 119991, Russia
关键词
nanoscrolls; cadmium selenide; photoluminescence; chromaticity diagram; CDSE; NANOPARTICLES;
D O I
10.3103/S1068335623110118
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Luminescence and colorimetric properties of ultrathin two-dimensional CdSe nanostructures rolled into scrolls 2.5 monolayers thick are studied. It is shown that photoluminescence of samples under study is caused by interband transitions which corresponds to the violet region of the visible spectrum, and transitions involving surface states, which corresponds to the almost entire optical range. The relaxation dynamics of the excited states corresponding to these transitions was studied. The chromaticity coordinates and dominant wavelengths are calculated for ultrathin CdSe nanoscrolls. The colorimetric characteristics of nanoparticles under study are analyzed in comparison with thicker nanoscrolls and quasi-two-dimensional CdSe nanocrystals from the literature sources.
引用
收藏
页码:510 / 514
页数:5
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