The PL spectrum excited with the 210 nm of a Xe lamp at room temperature revealed a strong green emission band centered at about 500 nm with FWHM about 90 nm and a weaker near UV emission band centered at about 380 nm with FWHM about 15 nm.
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- 用He-Cd激光器的325 nm激光對四腳狀樣品進(jìn)行發(fā)射光譜分析,發(fā)現其近紫外激子發(fā)光大大增強而綠色缺陷發(fā)光相對較弱,近紫外的峰值位于383 nm,半峰全寬約為16 nm;