Effect of Doping Concentration on the Photoluminescence of Fe:ZnS Nanocrystals

摘要：

Fe-doped ZnS (Fe:ZnS) nanocrystals were synthesized by a liquid-solid-solution (LSS) method. The influence of doping concentration on the photoluminescence (PL) of synthesized nanocrystals were investigated. The XRD results show that Fe:ZnS nanocrystals are crystallized with zinc-blende structure. The PL peaks of Fe:ZnS nanocrystals have a red-shift behavior as a Fe concentration increased. These results indicate that the tuning range of emission wavelength is approximately between 440 and 464 nm in the Fe:ZnS nanocrystals by changing the Fe concentration. The redshift the PL bands of Fe:ZnS nanocrystals may be due to the surface trap states.

关键词： ZnS nanocrystals liquid-solid-solution method photoluminescence

作者: Ruishi Xie Lingyun Liu Lihua Li Yuanli Li Qiang Chen Xi Yue Dingquan Xiao Jianguo Zhu

作者单位: College of Materials Science and Engineering,Sichuan University,Chengdu 610064,China

会议类型: 国际会议

会议名称: 2009 The 18th IEEE International Symposium on Applications of Ferroelectrics(2009年国际铁电学暨IEEE国际铁电应用联合会议)

会议地点: 西安

会议语种:英文

页码: 80-82

在线出版日期: 2009-08-23（万方平台首次上网日期，不代表论文的发表时间）