DCM掺杂有机Alq/ sub3 /层的光学性质研究

The Fourth International Conference on Advanced Semiconductor Devices and Microsystem Pub Date : 2002-12-16 DOI:10.1109/ASDAM.2002.1088468

J. Jakabovic, T. Wong, O. Lengyel, J. Kováč, C. Lee, S. Lee

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引用次数: 1

摘要

本文对掺杂DCM染料分子制备的Alq/ sub3 /有机溶液和蒸发膜的光学发射特性进行了研究。在DCM掺杂浓度范围内，光致发光和电致发光测量的Alq/sub 3/:DCM薄膜自发发射光谱特性的最大值从608 ~ 660 nm向更高波长偏移，光谱强度同时降低了0.9 11%。在DCM掺杂浓度为1%左右时，光泵浦光致发光强度最大，在628 nm附近出现峰值。在GaAs衬底上制备的波导结构上测量了光激发放大自发发射和激光光谱，显示出均匀间隔的谐振腔模式，优先发射峰在621.4 nm处。

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Optical properties investigations of organic Alq/sub 3/ layers doped by DCM

We present the study of optical emission properties carried out on Alq/sub 3/ organic solutions and evaporated films prepared by doping with dye molecules of DCM. The maxima of spontaneous emission spectral characteristics of Alq/sub 3/:DCM films measured by photo- and electroluminescence shifts towards the higher wavelengths from 608 - 660 nm with simultaneous decrease in spectral intensities within the investigated DCM doping concentration range of 0.9 11%, respectively. The maximum emission intensity was observed at DCM doping concentration around 1% causing peak emission near 628 nm by optical pumping. Optically excited amplified spontaneous emission and laser spectrum showing evenly spaced resonant cavity modes with preferential emission peak at 621.4 nm have been measured on waveguide structures prepared onto GaAs substrate.

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The Fourth International Conference on Advanced Semiconductor Devices and Microsystem

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