摘要
在低温条件下,采用化学溶液沉积法(CBD)生长出ZnO纳米棒.探讨了反应的最佳温度,并在最佳实验条件下成功在光滑的玻璃衬底上制备了近一维ZnO纳米棒阵列.利用差热(TG-DTA)、X射线衍射(XRD),扫描电子显微镜(SEM)和光致发光谱(PL)对产物进行结构、形貌和光学性能表征.结果表明:反应的最佳温度为92℃,产物为结晶良好的六角结构晶体.PL测试显示紫外发射峰较强,这说明产物的结晶状况很好,另外通过计算紫外峰和缺陷峰的比值,可知其比值可以达到2.21,这说明产物有较好的光致发光性能.
ZnO nanorods were grown on bare glass substrate by the CBD method under a low temperature. The effects of reaction temperature on the structure, morphologies and photoluminescence properties were disscussed by using the TG -DTA, SEM and PL. The results shown that the nanorods were ZnO hexagonal wurtzite structure, and the optimum temperature was 92℃. Photoluminescence measurements were also carried out, to ascertain by computation, the relative PL intensity ratio of ultraviolet emission （Iuv）to deep level emission （IDLE）of ZnO nanorods was estimated to be about 2.21, which indicated that the nanorods had the better photoluminescence behaviors.
出处
《吉林师范大学学报（自然科学版）》
2009年第2期35-37,共3页
Journal of Jilin Normal University:Natural Science Edition
基金
国家自然科学基金(60778040)
吉林省教育厅"十一五"计划(20070162)
吉师硕士启动项目(2007069)
