论文部分内容阅读
空气中的氧在CdS-CdSe烧结膜中晶粒表面上的吸附,使晶粒的表面态发生变化,影响了晶粒中载流子的表面复合率.直流光电导衰退法测量结果表明.氧的吸附增大了CdS-CdSe薄膜中载流子的表面复合率,从而使少数载流子的有效寿命下降.
The adsorption of oxygen in the air on the grain surface of CdS-CdSe sintered film changes the surface state of the grain, which affects the surface recombination rate of the carriers in the grain.The measurement result of direct photoconductivity decay method shows that oxygen The adsorption increases the surface recombination rate of carriers in CdS-CdSe films, so that the effective lifetime of minority carriers decreases.