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采用电化学方法首先在ITO导电玻璃上制备了一维有序ZnO纳米管阵列,然后在ZnO纳米管阵列上采用电化学方法沉积纳米枝状CdTe,形成了纳米枝状CdTe包覆ZnO纳米管的CdTe@ZnO壳核式复合结构,最后在上述复合结构中旋涂一层P3HT薄膜形成P3HT包覆的P3HT@CdTe@ZnO复合薄膜.以此复合薄膜为光活性层组装成半导体敏化太阳电池,研究了该类电池的光电转换性能,对该电池的工作原理进行初步研究,所得太阳电池能量转换效率最高达到1.38%.
Firstly, a one-dimensional ordered ZnO nanotube array was fabricated on ITO conductive glass by electrochemical method. Then nanosized CdTe was deposited on the ZnO nanotube array by electrochemical method to form nanosized CdTe-coated ZnO nanotubes CdTe @ ZnO core-shell composite structure, and finally the above composite structure is spin-coated with a layer of P3HT film to form a P3HT-coated P3HT @ CdTe @ ZnO composite film. The composite film is a photoactive layer and is assembled into a semiconductor sensitized solar cell, The photoelectric conversion performance of this kind of battery is studied. The working principle of the battery is studied preliminarily, and the solar cell energy conversion efficiency reaches as high as 1.38%.