OPTIMISATION AND EFFICIENCY LIMITS OF AMORPHOUS SILICON/AMORPHOUS SILICON GERMANIUM/MICROCRYSTALLINE SILICON TRIPLE-JUNCTION SOLAR CELL

机译：非晶硅/非晶硅锗/微晶硅三结太阳能电池的优化及效率极限

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Optical and electrical analysis and optimisation of an amorphous silicon/amorphous silicon germanium/microcrystalline silicon based triple-junction solar cell are carried out using numerical simulations. Improvements in optical and electrical properties are investigated in order to achieve a record-high conversion efficiency of the solar cell. A potential for achieving short-circuit current ～ 11 mA/cm~2 is indicated for the optimised cell structure. Optical simulations show that a broad angular distribution function of scattered light at textured interfaces is an important parameter to achieve high photocurrent in the top and bottom cell. Sufficiently thick amorphous silicon germanium layer has to be used (> 250 nm) to assure the high photocurrent of the middle cell. The potential for achieving the conversion efficiency over 17 % of the solar cell is demonstrated by optimising electrical properties of the layers and interfaces (larger bandgap of the p-doped layer, introducing buffer layers).

机译：使用数值模拟对基于非晶硅/非晶硅锗/微晶硅的三结太阳能电池进行了光电分析和优化。为了实现太阳能电池的创纪录的高转换效率，研究了光学和电学性质的改善。对于优化的电池结构，指出了达到短路电流〜11 mA / cm〜2的电位。光学模拟表明，在纹理界面处散射光的宽角度分布函数是在顶部和底部电池中实现高光电流的重要参数。必须使用足够厚的非晶硅锗层（> 250 nm），以确保中间电池的高光电流。通过优化层和界面的电性能（p掺杂层的较大带隙，引入缓冲层），证明了实现超过17％的太阳能电池转换效率的潜力。

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来源
《European Photovoltaic Solar Energy Conference; 20060904-08; Dresden(DE)》|2006年|P.1684-1687|共4页
会议地点 Dresden(DE)
作者
J. Krc; B. E. Pieters; M. Zeman; A. Campa; F. Smole; M. Topic;
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作者单位

University of Ljubljana, Faculty of Electrical Engineering, Trzaska 25,1000 Ljubljana, Slovenia;

Delft University of Technology - DIMES, P.O. Box 5053, 2600 GB Delft, The Netherlands;

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会议组织
原文格式 PDF
正文语种 eng
中图分类太阳能技术;
关键词
silicon; thin film; multi-junction solar cells; modelling; light trapping; optical losses;

机译：硅;薄膜;多结太阳能电池;建模;光阱;光损耗;

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1. TCAD simulation of hydrogenated amorphous silicon-carbon/microcrystalline-silicon/hydrogenated amorphous silicon-germanium PIN solar cells [J] . S.T. Chang, M. Tang, R.Y. He, Thin Solid Films . 2010,第suppla1期

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2. Amorphous silicon and silicon germanium materials for high-efficiency triple-junction solar cells [J] . Deng XM., Han SJ., Povolny H., Solar Energy Materials and Solar Cells: An International Journal Devoted to Photovoltaic, Photothermal, and Photochemical Solar Energy Conversion . 2000,第1a2期

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3. Optimization Of Amorphous Silicon Oxide Buffer Layer For High-efficiency P-type Hydrogenated Microcrystalline Silicon Oxide-type Crystalline Silicon Heterojunction Solar Cells [J] . Jaran Sritharathikhun, Hiroshi Yamamoto, Shinsuke Miyajima, Japanese journal of applied physics . 2008,第11期

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4. OPTIMISATION AND EFFICIENCY LIMITS OF AMORPHOUS SILICON/AMORPHOUS SILICON GERMANIUM/MICROCRYSTALLINE SILICON TRIPLE-JUNCTION SOLAR CELL [C] . J. Krc, B. E. Pieters, M. Zeman, European Photovoltaic Solar Energy Conference . 2006

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6. High Efficiency Inorganic/Inorganic Amorphous Silicon/Heterojunction Silicon Tandem Solar Cells [O] . Jinjoo Park, Vinh Ai Dao, Sangho Kim, -1

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7. Optimized amorphous silicon oxide buffer layers for silicon heterojunction solar cells with microcrystalline silicon oxide contact layers [O] . Ding Kaining, Aeberhard Urs, Finger Friedhelm, 2013

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8. High Efficiency Amorphous and Microcrystalline Silicon Based Double-Junction Solar Cells Made with Very-High-Frequency Glow Discharge, Phase I, Final Technical Report, August 21, 2002 Through May 20, 2003. [R] . A. Banerjee 2002

机译：高效非晶和微晶硅基双结太阳能电池，采用超高频辉光放电，第一阶段，最终技术报告，2002年8月21日至2003年5月20日。

OPTIMISATION AND EFFICIENCY LIMITS OF AMORPHOUS SILICON/AMORPHOUS SILICON GERMANIUM/MICROCRYSTALLINE SILICON TRIPLE-JUNCTION SOLAR CELL

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