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Mg_xzn_(1-x)o-based Schottky Photodiode For Highly Color-selective Ultraviolet Light Detection

机译:基于Mg_xzn_(1-x)o的肖特基光电二极管,用于高度颜色选择的紫外光检测

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摘要

Spectral response of Schottky photodiodes consisting of a Mg_xZn_(1-x)O (x ≤ 0.43) thin film and a transparent conducting polymer, poly(3,4-ethylenedioxythiophene) poly(styrenesulfonate), was characterized under a zero-bias condition at room temperature. The cut-off wavelength in each photodiode was systematically tuned by Mg content (x), while its high quantum efficiency was kept near unity. The steepness in the photo-response around the cut-off wavelength was maintained for higher x samples, implying a small alloy broadening effect in this system.
机译:肖特基光电二极管的光谱响应由Mg_xZn_(1-x)O(x≤0.43)薄膜和透明导电聚合物聚(3,4-乙撑二氧噻吩)聚苯乙烯磺酸盐组成,在零偏压条件下于室内温度。每个光电二极管的截止波长都通过Mg含量(x)进行系统调节,而其高量子效率则保持接近统一。对于更高的x样本,在截止波长附近保持了光响应的陡度,这意味着该系统中的合金扩展作用较小。

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