Photoluminescence of ZrO2-ZnO Hybrid Nanotube Arrays Produced by Electrodeposition
Highly ordered ZrO2 nanotube (NT) arrays were fabricated by anodization in organic electrolyte containing NH4F.The NTs have an opened porous structure at the top end.A facile electro-deposition technique was used to prepare ZnO quantum dots (QDs) in the pores of the ZrO2 NTs.Characterizations ofSEM,XRD,HR-TEM were performed on the NTs.The results confirmed the formation of single-phase wurtzite ZnO nanoparticles in the ZrO2 NTs with a size around 20 nm.Photoluminescence (PL) spectra proved that the ZnO QDs coating had strongly enhanced the PL signal for blue (366nm) and green (503nm) light emissions of the hybrid NT arrays.That maybe arose from structure-dependent defects and oxygen vacancy in the hybrid layers.
ZrO2 nanotube ZnO quantum dots Photoluminescence Electrodeposition
Limin Guo Xiaohui Wang Longtu Li
State Key Laboratory of New Ceramics and Fine Processing,State Key Laboratory of New Ceramics and Fine Processing,Tsinghua University,Beijing 100084,China
国际会议
The Seventh China International Conference on High-Performance Ceramics (第七届先进陶瓷国际研讨会(CICC-7))
厦门
英文
1484-1487
2011-11-04（万方平台首次上网日期，不代表论文的发表时间）