Synthesis and photoluminescence of CdS QDs in ZrO2 nanotubes by sequential chemical bath deposition

被引：2

作者：

Guo, Limin ^{[1
]}

Wang, Xiaohui ^{[1
]}

Zhong, Caifu ^{[1
]}

Li, Longtu ^{[1
]}

机构：

[1] Tsinghua Univ, Dept Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China

来源：

JOURNAL OF PHYSICS D-APPLIED PHYSICS | 2011年 / 44卷 / 16期

关键词：

LUMINESCENCE PROPERTIES; QUANTUM-WELL; ZIRCONIA; NANOPARTICLES; FILMS; NANOCRYSTALS; THICKNESS; NANORODS; SUPPORT; EU3+;

D O I：

10.1088/0022-3727/44/16/165403

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Highly ordered ZrO2 nanotube (NT) arrays were fabricated by anodization in organic electrolyte containing NH4F. A facile sequential-chemical bath deposition technique was used to prepare CdS quantum dots (QDs) in the pores of ZrO2 NTs. XRD and HRTEM results confirmed the formation of single-phase wurtzite CdS nanoparticles with uniform size around 10 nm. UV-vis absorption and photoluminescence spectra proved that the CdS QD coating strongly enhanced the photon absorption of the NT arrays, as well as their PL signals in the visible broadband section which mostly arose from structure-dependent defects and oxygen vacancies in the nanohybrid layers.

引用

页数：5

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