Influence of heat treatment conditions on the precipitation and dissolution of lead sulfide nanocrystals in sodium zinc silicate glasses

被引：10

作者：

Atonen, O. V. ^{[1
]}

Golubkov, V. V. ^{[2
]}

Onushchenko, A. A. ^{[1
]}

机构：

[1] Vavilov State Opt Inst All Russian Sci Ctr, Res & Technol Inst Opt Mat Sci, St Petersburg 192171, Russia

[2] Russian Acad Sci, IV Grebenshchikov Silicate Chem Inst, St Petersburg 199034, Russia

来源：

GLASS PHYSICS AND CHEMISTRY | 2010年 / 36卷 / 04期

关键词：

structure; nanocrystals; crystallization; X-ray diffraction;

D O I：

10.1134/S1087659610040012

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

081705 [工业催化]; 082905 [生物质能源与材料];

摘要：

The influence of the temperature of the primary heat treatment in the case of two-stage heat treatment of glasses on the kinetics of precipitation of PbS nanocrystals and the structure of the glass-ceramic materials prepared has been investigated. The main structural parameters of the glass-ceramic material, such as the radius of lead sulfide nanocrystals, relative volume of the crystalline phase, concentration of nanocrystals, and dispersion of nanocrystal sizes, have been determined under different heat treatment conditions. It has been demonstrated that a variation in the temperature of the primary heat treatment in the range below the glass transition temperature of the glass matrix makes it possible to control the nanocrystal sizes and to obtain close-to-monodisperse size distributions of nanocrystals.

引用

页码：389 / 397

页数：9

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