硅酸盐学报2012,Vol.40Issue(2):294-299,6.
A1-ZnO光电纳米材料的水热合成及电学性能
Hydrothermal Synthesis and Electrical Properties ofAI-ZnO Photovoltaic Nanomaterials
摘要
Abstract
Al-doped ZnO (AZO) photovoltaic nano-wire arrays were prepared by a low-temperature hydrothermal synthesis technique The effect of the concentration of aluminum doping on the structure, morphologies, the chemical state and the electrical properties of AZO nano-wire arrays was analyzed by X-ray diffractometer, field emission scanning electron microscope, X-ray photoelectron spec- troscope and semiconductor parameter analyzer, respectively. The results show that A1^3+ ions are doped into the ZnO lattice via the replacement of Zn^2+ ions, and an A1-O bond is formed at the interface region of ZnO. The AZO nano-wire arrays was single-crystal with vertically-oriented, well-aligned and high-density. The aspect ratio of AZO nano-wire arrays increased, the electrical conductiv- ity increased and the electrical resistance decreased with increasing the aluminum doping concentration. Aluminum doping into the AZO nano-wire arrays improved the electrical properties. The improvement could be attributed to the net increase in the concentration of electrons resulting from the AI occupying the Zn sites in the ZnO lattice.关键词
氧化锌/掺杂/水热合成/电学性能Key words
zinc oxide/doping/hydrothermal synthesis/electrical properties分类
信息技术与安全科学引用本文复制引用
云斯宁,孙毅,甘艳萍,李玉祥..A1-ZnO光电纳米材料的水热合成及电学性能[J].硅酸盐学报,2012,40(2):294-299,6.基金项目
陕西省自然科学基金(2011JM6010):陕西省教育厅专项基金(2010JK655). ()