暗电导是一种半导体在无光照时为暗态，有光照时为亮态的导电材料。
由于光吸收系数高、暗电导（Dark conductivity）、非晶硅材料的价带电子（Valence band electron）的能级较低，薄膜非晶硅或微晶硅电池具有弱光发电性能，在阳光照辐射强度很低时...
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利用薄膜的暗电导和激活能对硅薄膜的电学特性进行了表征。
The electrical properties of the films were characterized by their room temperature electrical conductivity and the activation energy.
实验所得薄膜的光学带隙和暗电导也随衬底温度升高而分别降低和升高。
The optical band gaps of the grown thin films declined and dark electrical conductivity increased with increasing substrate temperature, respectively.
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