Optical and structural properties of catalyst-free synthesis of ZnO nanoneedle
Zinc Oxide(ZnO) nanoneedle-type nanostructure were successfully synthesized on Indium Phosphide(InP)(100) substrates by using pulsed laser deposition(PLD) method with catalyst-free. The morphologic, crystal structural and optical properties were characterized with scanning electron microscopy(SEM), X-ray diffraction(XRD) and photoluminescence(PL) analytic approaches, respectively. SEM pattern showed the ZnO nanoneedle were well-oriented. From the XRD scan results, a strong peaks were observed at 34.50, attributed to the ZnO(002) plane, indicating that the growth direction along c axis well-oriented. A typical PL spectrum measured at room temperature, showing a strong free-excition emission at 379nm, a full width at half maximum(FWHM) value of 13.5nm, and a weak deep level emission at 484nm, intensity ratio was 11:1, indicating that the ZnO nanoneedles produced in this experiment are of high optical quality.
ZnO nanoneedle Pulsed laser deposition Photoluminescence X-ray diffraction
于东麒 李娇 胡昊 孙景昌 张贺秋 赵子文 付强 杜国同 胡礼中
大连理工大学三束材料改性国家重点实验室,辽宁 大连 116024;大连理工大学物理与光电工程学院,辽宁 大连 116024 大连理工大学三束材料改性国家重点实验室,辽宁 大连 116024;大连理工大学物理与光电工程学院,辽宁 大连 116024;吉林大学电子科学与工程学院,吉林 长春 130023
国际会议
成都
英文
2007-11-19（万方平台首次上网日期，不代表论文的发表时间）