| Study of Back Contacts for CdTe Solar Cells |
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| 作者姓名： | CAIDao-lin ZHENGJia-gui WULi-li FENGLiang-huan ZHANGJing-quan CAIYa-Ping CAIWei LIWei XIAGeng-pei YANQiang |
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| 作者单位： | Dept.ofMat.Sci.,SichuanUniversity,Chengdu610064,CHN |
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| 基金项目： | 国家自然科学基金，National Basic Research Priorities Project of China，国家高技术研究发展计划(863计划) |
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| 摘 要： | ZnTe/ZnTe:Cu layer is used as a complex back contact.The parmeters of CdTe solar cells with and without the complex back contacts are compared.The effects of un-doped layer thickness,doped concentration and post-deposition annealing temperature of the complex layer on solar cells preformance are investigated.The results show that ZnTe/ZnTe:Cu layer can improve back contacts and largely increase the conversion efficiency of CdTe solar cells.Un-doped layer and post-deposition annealing of high temperature can increase open voltage.Using the complex back contact,a small CdTe cell with fill factor of 73.14% and conversion efficiency of 12.93% is obtained.
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| 关 键 词： | 太阳能电池 碲化镉 CdTe 转换效率 复杂静合接点 |
| 收稿时间： | 2002/9/2 |
Study of Back Contacts for CdTe Solar Cells |
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| CAIDao-lin ZHENGJia-gui WULi-li FENGLiang-huan ZHANGJing-quan CAIYa-Ping CAIWei LIWei XIAGeng-pei YANQiang.Study of Back Contacts for CdTe Solar Cells[J].Semiconductor Photonics and Technology,2003,9(2):95-98. |
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| Authors: | CAI Dao-lin ZHENG Jia-Gui WU Li-li FENG Liang-Huan ZHANG Jing-quan CAI Ya-Ping CAI Wei LI Wei XIA Geng-pei YAN Qiang |
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| Abstract: | ZnTe/ZnTe∶Cu layer is used as a complex back contact. The parameters of CdTe solar cells with and without the complex back contacts are compared. The effects of un-doped layer thickness, doped concentration and post-deposition annealing temperature of the complex layer on solar cells performance are investigated.The results show that ZnTe/ZnTe∶Cu layer can improve back contacts and largely increase the conversion efficiency of CdTe solar cells. Un-doped layer and post-deposition annealing of high temperature can increase open voltage. Using the complex back contact, a small CdTe cell with fill factor of 73.14% and conversion efficiency of 12.93% is obtained. |
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| Keywords: | Complex back contacts CdTe solar cells Conversion efficiency |
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