Synthesis and characterization of PbS quantum dots embedded in oxide glass

被引：12
|
作者：
Silva, R. S.
Monte, A. F. G.
Morais, P. C.
Alcalde, A. M.
Qu, Fanyao
Dantasc, N. O.
机构：
[1] Univ Brasilia, Inst Fis, BR-70919970 Brasilia, DF, Brazil
[2] Univ Fed Uberlandia, Fac Fis, GPML, BR-38400902 Uberlandia, MG, Brazil
[3] Univ Fed Uberlandia, Fac Fis, LNMIS, BR-38400902 Uberlandia, MG, Brazil
来源：
BRAZILIAN JOURNAL OF PHYSICS | 2006年 / 36卷 / 2A期
关键词：
synthesis and characterization; oxide glass; PbS quantum dots;
D O I：
10.1590/S0103-97332006000300043
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The fusion method was used to produce PbS quantum dots (QDs) embedded in S-doped glass matrix (SiO2Na2CO3-Al2O3-PbO2-B2O3:S). Measurements of optical absorption (OA), photoluminescence (PL) and atomic force microscopy (AFM) have been carried out in order to characterize the produced QDs. A strong red-shift observed in the optical features with an increase of the annealing time indicates an increase in QD-size. The QD sizes predicted by k.p theoretical results were confirmed by AFM observation.
引用
收藏
页码：394 / 396
页数：3
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