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电化学  2006 

多孔硅制备条件对其电致发光特性的影响

, PP. 210-213

Keywords: 多孔硅(PS),电致发光(EL),光致发光(PL),氧化铟锡(ITO)

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Abstract:

应用蒸镀-阳极氧化法制备结构为ITO/PS/p-Si/Al的多孔硅电致发光器件,在7.5V电压下实现了数小时连续电致发光.实验表明,多孔硅电致发光峰位会随着阳极氧化电流密度的增大、腐蚀时间的延长以及HF酸浓度的降低而蓝移.欲制备工作电压较低、发光时间较长、发光效率较高的电致发光样品,则多孔硅制备时的阳极氧化应使用较低电流密度和较短的腐蚀时间.

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