| 应用于CdTe太阳能电池热离子发射与扩散理论 |
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| 引用本文： | 张汝民,阮 瑜,李政伊,程思冲,刘迪军.应用于CdTe太阳能电池热离子发射与扩散理论[J].半导体学报,2015,36(1):012002-5. |
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| 作者姓名： | 张汝民 阮 瑜 李政伊 程思冲 刘迪军 |
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| 作者单位： | 无线移动通信国家重点实验室,无线移动通信国家重点实验室,无线移动通信国家重点实验室,无线移动通信国家重点实验室,大唐电信集团联芯科技有限公司 |
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| 摘 要： | 该文运用了载流子的热离子发射理论与扩散理论来分析类型II异质结CdTe薄膜太能电池的载流子输运过程,得到了一个综合而全面的载流子电流电压输运方程；由该输运方程可知,对于窄准中性区的CdTe太能电池,流过其结的总电流由热离子发射过程来制约；反之,则由扩散过程来限制结的总电流。对于基于类型II异质结的薄膜太阳能电池,该输运方程可以为其更深入的研究,如各类掺杂情况边界条件的确定、转换效率的计算等,提供很好的理论基础。
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| 关 键 词： | solar cell CdTe type Ⅱ hetero-junction thermionic emission theory diffusion theory |
| 修稿时间： | 7/1/2014 12:00:00 AM |
Thermionic Emission Theoryand Diffusion Theory Applied to CdTe PV Devices |
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| Zhang Rumin,Ruan Yu,Li Zhengyi,Cheng Sichong and Liu Dijun.Thermionic Emission Theoryand Diffusion Theory Applied to CdTe PV Devices[J].Chinese Journal of Semiconductors,2015,36(1):012002-5. |
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| Authors: | Zhang Rumin Ruan Yu Li Zhengyi Cheng Sichong and Liu Dijun |
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| Affiliation: | 1. School of Electronic and Information Engineering, Beijing University of Aeronautics & Astronautics, Beijing 100191, China;State Key Laboratory of Wireless Mobile Communications, China Academy of Telecommunications Technology(CATT),Beijing 100191, China;2. School of Electronic and Information Engineering, Beijing University of Aeronautics & Astronautics, Beijing 100191, China;3. Leadcore Technology Co, Ltd, Datang Telecom Technology & Industry Group, Beijing 100191, China |
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| Abstract: | In this work, a comprehensive model that takes the phenomenon of carrier thermionic-emission within the frame work of diffusion theory of current conducting into account in the type II hetero-junction CdTe solar cell is developed. According to this model, it is found that the total current flowing through the CdTe solar cell is limited by thermionic process for very thin quasi-neutral regions and limited by diffusion process for the reverse case. In the future research of the CdTe solar cell, such approach may enable the determination of boundary conditions for all doping profiles and computation of the conversion efficiency ,etc. |
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| Keywords: | Solar cell CdTe type II hetero-junction thermionic emission theory diffusion theory |
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