Luminescence of ZnO nanocrystals in silica synthesized by dual (Zn, O) implantation and thermal annealing

被引：9

作者：

Parkhomenko, I ^{[1
]}

Vlasukova, L. ^{[1
]}

Komarov, F. ^{[2
,3
]}

Makhavikou, M. ^{[2
]}

Milchanin, O. ^{[2
]}

Wendler, E. ^{[4
]}

Zapf, M. ^{[4
]}

Ronning, C. ^{[4
]}

机构：

[1] Belarusian State Univ, Minsk, BELARUS

[2] Belarusian State Univ, AN Sevchenko Res Inst Appl Phys Problems, Minsk, BELARUS

[3] Natl Univ Sci & Technol MISIS, Moscow, Russia

[4] Friedrich Schiller Univ Jena, Inst Solid State Phys, Jena, Germany

来源：

JOURNAL OF PHYSICS D-APPLIED PHYSICS | 2021年 / 54卷 / 26期

关键词：

zinc blende ZnO; nanocrystals; photoluminescence; bound exciton; intrinsic defects; NATIVE POINT-DEFECTS; QUANTUM DOTS; PHOTOLUMINESCENCE; NANOPARTICLES; EVOLUTION; DYNAMICS; CENTERS; MATRIX; FILMS; SIO2;

D O I：

10.1088/1361-6463/abf0ec

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Zinc blende ZnO nanocrystals (NCs) were synthesised in amorphous silica by high-fluence dual (Zn, O) ion implantation and subsequent thermal annealing in air. We observed the formation of core/shell nanoparticles at the depth of maximum Zn concentration as a result of an incomplete oxidation process. The silica matrix with ZnO NCs exhibits an intense white-greenish emission. Low-temperature photoluminescence spectroscopy revealed various radiative recombination mechanisms in the zinc blende ZnO NCs involving intrinsic defects that act as donors and acceptors.

引用

页数：9

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