A composite material with applications in optoelectronics has been investigated. Pulsed laser deposition CdSe-doped glass film was prepared by the combinatorial deposition from two targets, namely pure CdSe and glass belonging to the 20Li2O-10Al2O3-7BaO-2La2O3-2ZnO-59P2O5 system. Exciton peaks in the Vis domain, related to electron–hole pairs transitions from the valence band to the conduction band, were revealed in the optical absorption spectra of the CdSe-doped film. CdSe quantum dots (QDs) band gap energy depends on the CdSe quantum confinement effect. CdSe-doped film photoluminescence exhibits peaks in the red domain assigned to CdSe transitions from the excited state to the ground state. The size of CdSe nanoclusters, determined from x-ray diffraction is correlated with scanning electron microscopy–energy dispersive x-ray spectroscopy and atomic force microscopy results. Vibration modes specific both to CdSe QDs and to the vitreous network have been evidenced by Fourier transform infrared and Raman spectroscopy.

中文翻译：

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基于 CdSe 掺杂锌铝磷酸盐玻璃的脉冲激光沉积膜

已经研究了一种在光电子学中应用的复合材料。脉冲激光沉积 CdSe 掺杂玻璃膜是通过两种靶材的组合沉积制备的，即纯 CdSe 和属于 20Li2O-10Al2O3-7BaO-2La2O3-2ZnO-59P2O5 系统的玻璃。在 CdSe 掺杂薄膜的光吸收光谱中揭示了 Vis 域中的激子峰，与从价带到导带的电子 - 空穴对跃迁有关。CdSe 量子点 (QD) 带隙能量取决于 CdSe 量子限制效应。CdSe 掺杂的薄膜光致发光在红色域中表现出峰值，该峰值分配给 CdSe 从激发态到基态的跃迁。CdSe 纳米团簇的大小，从 X 射线衍射测定的结果与扫描电子显微镜-能量色散 X 射线光谱和原子力显微镜结果相关。傅立叶变换红外光谱和拉曼光谱证明了 CdSe QD 和玻璃体网络特有的振动模式。