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报道了转换效率为14.6%~15.8%的多晶薄膜CdS/CdTe太阳电池的研制。用MOCVD法,在玻璃衬底上制备SnO_2和SnO_2:F薄膜,水溶液化学淀积法获得80~100nm厚的CdS薄膜和密堆积升华法制备5μm厚CdTe薄膜,CdS/CdTe太阳电池的短路电流密度高达24~25mA/cm ̄2。同时,对各层薄膜晶形和微观结构进行了分析研究。 相似文献
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CdTe Films Deposited by Closed—space Sublimation 总被引:1,自引:0,他引:1
CdTe films are prepared by closed-space sublimation technology,Dependence of film crystalline on substrate materials and substrate temperature is investigated.It is found that films exhibit higher crystallinity at substrate temperature higher than 400℃.And the CdTe films deposited on CdS films with higher crystallinity have bigger crystallite and higher uniformity.Treatment with CdCl2 methanol solution promotes the crystallite growth of CdTe films during annealing. 相似文献
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在A(ZnSO4、SC(NH2)2、NH4OH)和含有联氨的B(ZnSO4、SC(NH2)2、NH4OH、(NH2)2)两种水溶液中采用化学水浴法沉积ZnS薄膜,研究了联氨对薄膜沉积过程和薄膜性质的影响.结果表明,加入少量联氨以后,薄膜沉积速度明显增加.两种溶液沉积的ZnS都为立方相结构,且含有联氨的B溶液沉积的ZnS薄膜表面附着颗粒较少.在含有联氨的B溶液中沉积的ZnS薄膜结晶度和短波区的透过率均高于A溶液沉积的ZnS薄膜.将两种溶液沉积的ZnS薄膜作为电池缓冲层制备铜铟镓硒(CIGS)薄膜太阳电池,加入联氨沉积的ZnS制备的CIGS电池转换效率达到7.77%,比不加联氨沉积的ZnS制备的CIGS电池转换效率提高了1.3%. 相似文献