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不同气氛下激光幅射对硅基Alq3薄膜光致发光特性的影响
Effect of laser irradiation on photo luminescence of organic thin films based on sillic on in different atmosphere
【摘要】 在真空中、氮气中、大气中和氧气中分别测量了生长的硅片上的8—羟基喹啉铝(Alq3)薄膜光致发光(PL)谱及其在不同激光功率密度下的PL强度衰减谱.发现氧气和较强激光幅照共同作用会导致Alq3薄膜表面PL的衰减与淬灭.
【Abstract】 Photoluminesce(PL)spectra and decay of PL intensity of t ri-8hydroquinoline aluminum(Alq 3 )thin films based on sillicon were m easured at different excitation laser power density in vacuum,N 2 ,air and O 2 ,respectively.It is conformed that O 2 and strong laser irradiation togeth er result in decay and quench of the PL from Alq 3 thin films.
【基金】 国家自然科学基金资助项目(69776034)
- 【文献出处】 井冈山师范学院学报 ,Journal of Jinggangshan Normal College , 编辑部邮箱 ,2002年06期
- 【分类号】TN383.1
- 【下载频次】32