Furthermore , the excitation spectrum for 730nm fluorescence shows that the 685nm light has high excitation efficiency 叶绿体730nm荧光成份的激发光谱实验结果表明: 685nm光对730nm荧光有较高的激发效率。
Xrd patterns , excitation spectra , emission spectra , photo - stimulated emission spectra , photo - stimulated emission decay curves and thermo - luminescence spectra have been measured on the samples 对样品进行了x射线衍射分析( xrd ) 、激发光谱、发射光谱、光激励发光光谱、光激励发光衰减和热释光谱测定。
Based on upper background , we had done some special work in this paper : 1 . we prepared titanic acid and titanate sodium nanotubes by the use of hydrogen - thermal method and studied the photoluminescence spectra 基于以上背景,本论文主要涉及了以下三方面的工作: ( 1 )水热合成了钛酸和钛酸钠纳米管,并对其荧光光谱和激发光谱进行了研究。
Compared with micro - sized y2o3 : eu and gd2o3 : eu phosphors prepared by a conventional method , nanosized y2o3 : eu and gd2o3 : eu synthesized by the present work , gives a clear blue shift in the emission spectrum , and a clear red shift in the excitation spectrum 同时,发现了纳米晶一些新奇的发光性质,即:发射光谱蓝移现象,激发光谱红移中电荷迁移带( ctb )明显红移,猝灭浓度提高等。