Structure and Optical Properties of Nanocrystals and Quantum Dots with Diamond, Lonsdaleite, Sphalerite and Wurtzite Structures

被引：3

作者：

Kustov, E. F. ^{[1
]}

Novotortsev, V. M. ^{[2
]}

机构：

[1] Tech Univ, Moscow Power Engn Inst, Moscow 111250, Russia

[2] Inst Inorgan Chem, Moscow 119991, Russia

来源：

JOURNAL OF COMPUTATIONAL AND THEORETICAL NANOSCIENCE | 2010年 / 7卷 / 08期

基金：

俄罗斯基础研究基金会;

关键词：

Nanostructure; Nanoshell; Nanoorbit; Quantum Dot; Point Group; Symmetry Theory; SHELL COMPOSITION; CLASSIFICATION-SYSTEM; TETRAHEDRAL SYMMETRY; PENTAGONAL SYMMETRY; HEXAGONAL SYMMETRY; CRYSTAL-STRUCTURES; CUBIC SYMMETRY; BUILT-UP; NANOPARTICLES; NANOTUBES;

D O I：

10.1166/jctn.2010.1516

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The formulas for calculation of the number of atoms and their space distribution in nanocrystals and quantum dots with symmetry of diamond, lonsdaleite, sphalerite, and wurtzite structures are reported. The numbers of atoms are determined by six structurally invariant numbers and the symmetry group of order h. The atom densities of such structures are established as well as their dependences from quantum dots size. Optical properties and the change of the emission wave length from sizes of quantum dots with sphalerite and wurtzite structures are considered. Because the properties of quantum dots depend on their size dispersion formula of quantum dots with diamond and lonsdalait structures is proposed.

引用

页码：1531 / 1545

页数：15

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