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首页> 外文期刊>Materials Science and Engineering. B, Solid-State Materials for Advanced Technology >The influence of hydrazine hydrate on the photoconductivity of PbS thin film
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The influence of hydrazine hydrate on the photoconductivity of PbS thin film

机译：水合肼对PbS薄膜光电导性的影响

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摘要

High quality poly crystalline nanostructured PbS thin film has been deposited on a glass substrate by chemical deposition technique. The hydrazine hydrate as a reducing agent for lead ion has been used for preparation of the film. After deposition, the film has been annealed, and then the influence of hydrazine hydrate on the dark resistivity and photosensitivity of film have been investigated. It was found that in the presence of hydrazine hydrate in chemical deposition bath, the resistance of the prepared film increases to mega ohm. The measured room temperature detectivity of the film is 4 x 10~9 W~(-1) Hz~(1/2) cm at the wavelength of 2.4 μm. The experimental results have shown that the PbS film, which has been prepared according to this procedure, can be applied as an infrared detector in the range of 1.0-3.0 μm.
机译：高质量的多晶纳米结构的PbS薄膜已通过化学沉积技术沉积在玻璃基板上。作为铅离子还原剂的水合肼已经用于制备膜。沉积后，将膜退火，然后研究水合肼对膜的暗电阻和光敏性的影响。发现在化学沉积浴中存在水合肼时，制得的膜的电阻增加至兆欧。在2.4μm的波长下，膜的室温检测灵敏度为4×10〜9W〜（-1）Hz〜（1/2）cm。实验结果表明，按照此步骤制备的PbS膜可以用作1.0-3.0μm范围内的红外探测器。

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