Understanding and monitoring the capacitance‐voltage technique for the characterization of tandem solar cells

摘要

Abstract > This paper presents a simple and nondestructive method to determine doping densities and built‐in potential of subcells by adapting the well‐known capacitance‐voltage ( C ‐ V ) technique to two‐terminal (2 T) tandem solar cells. Because of the electrical coupling between the two subcells in a monolithic 2 T tandem solar cell, the standard method using a Mott‐Schottky plot (1/ C 2 vs V ) cannot be applied. Using numerical modeling, it is demonstrated that, by under chosen illumination conditions where only one subcell can absorb the light, it is possible to explore the bias dependence of the capacitance and to extract the parameters of the other subcell if the appropriate frequency conditions are present. This method is experimentally applied to an AlGaAs/Si tandem cell, and parameters of both AlGaAs and Si cells are extracted. Finally, the validity of that method is assessed by the very good agreement obtained when comparing the values extracted from our measurements on the tandem cell to those extracted from measurements on isotype cells and to the values targeted during the fabrication process of the AlGaAs/Si tandem solar cell. </abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译：</span><Abstract Type =“Main”XML：Lang =“en”> <标题类型=“main”>抽象</ title> > 本文提出了一种简单而无损的方法，可以通过调整众所周知的电容 - 电压来确定掺杂密度和子单元的内置电位（ c </ i> - v </ i> ）对双端（2T）串联太阳能电池的技术。由于单片2 T串联太阳能电池中的两个子单元之间的电耦合，所以使用Mott-Schottky Plot的标准方法（1 / c </ i> 2 </ sup> vs. v </ i> ）无法应用。使用数值建模，通过仅在所选择的照明条件下，仅在一个子单元可以吸收光的情况下，如果存在适当的频率条件，则可以探索电容的偏置依赖性并提取其他子单元的参数。该方法实验应用于Algaas / Si串联小区，提取藻类和Si细胞的参数。最后，通过比较从我们的测量串联细胞的测量结果中提取的值与同种型细胞的测量提取的那些的值以及在Algaas / Si串联的制造过程中靶向的值中提取的那些，评估该方法的有效性。太阳能电池。 </ p> </摘要> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" >著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-29870/'>《Progress in photovoltaics》</a> <b style="margin: 0 2px;">|</b><span>2020年第6期</span><b style="margin: 0 2px;">|</b><span>共8页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li > <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span><a href="https://www.zhangqiaokeyan.com/clc/7667.html" title="通信系统（传输系统）">通信系统（传输系统）;</a><a href="https://www.zhangqiaokeyan.com/clc/1790.html" title="光电子技术、激光技术">光电子技术、激光技术;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=capacitance&option=203" rel="nofollow">capacitance;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=characterization&option=203" rel="nofollow">characterization;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=electrical coupling&option=203" rel="nofollow">electrical coupling;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=multijunction&option=203" rel="nofollow">multijunction;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=solar cell&option=203" rel="nofollow">solar cell;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=tandem&option=203" rel="nofollow">tandem;</a> </p> <div class="translation"> 机译：电容;表征;电耦合;多结;太阳能电池;串联; </div> </li> </ul> </div> </div> <div class="literature cardcommon"> <div class="similarity "> <h3 class="all_title" id="enpatent66">相似文献</h3> <div class="similaritytab clearfix"> <ul> <li class="active" >外文文献</li> <li >中文文献</li> <li >专利</li> </ul> </div> <div class="similarity_details"> <ul > <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/journal-foreign-detail/0704024604879.html">Understanding and monitoring the capacitance‐voltage technique for the characterization of tandem solar cells</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> </a> <a href="/journal-foreign-29870/" target="_blank" rel="nofollow" class="tuijian_authcolor">Progress in photovoltaics .</a> <span>2020</span><span>,第6期</span> </span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：理解和监控串联太阳能电池表征的电容 - 电压技术</span> </p> </li> <li> <div> <b>2. </b><a class="enjiyixqcontent" href="/academic-journal-foreign_journal-materials-science.-materials-electronics_thesis/0204112885176.html">Perovskite solar cells: a deep analysis using current-voltage and capacitance-voltage techniques</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Dharmadasa I. 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class="enjiyixqcontent" href="/patent-detail/06130422086096.html">AMORPHOUS SILICON SOLAR CELL WITH IMPROVED OPEN CIRCUIT VOLTAGE PERFORMANCE AND A TANDEM TYPE SOLAR CELL WHICH USES AN ORGANIC SOLAR CELL</a> <b>[P]</b> . <span> 外国专利：  KR20120013731A </span> <span> . 2012-02-15</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：具有改进的开路电压性能和使用有机太阳能电池的串联型太阳能电池的非晶硅太阳能电池 </span> </p> </li> <li> <div> <b>5. </b><a class="enjiyixqcontent" href="/patent-detail/06130477279264.html">Laser processing technique for fabricating series-connected and tandem junction series-connected solar cells into a solar battery</a> <b>[P]</b> . <span> 外国专利：  US4292092A </span> <span> . 1981-09-29</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> 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