The effects of intraband and interband carrier‐carrier scattering on hot‐carrier solar cells: A theoretical study of spectral hole burning, electron‐hole energy transfer, Auger recombination, and impact ionization generation

Tsai Chin‐Yi

摘要

Abstract >The effects of carrier‐carrier scattering resulting from the Coulomb‐potential interaction between two electrons on hot‐carrier solar cells are theoretically studied. Theoretical models and explicit formulas for calculating intraband carrier‐carrier scattering rates, electron‐to‐hole energy transfer rates, Auger recombination rates, and impact ionization generation rates are presented and derived. The numerical calculations from these formulas are obtained, and their effects on hot‐carrier solar cells are investigated. Several findings can be concluded from this study: (1) Intraband electron‐electron scattering and hole‐hole scattering are normally fast enough to randomize carrier distribution in the momentum space and thus maintain quasiequilibrium to establish electron and hole temperatures at a steady state; (2) spectral hole burning in hot‐carrier solar cells can be incurred by fast carrier extraction processes through energy‐selective contacts and slow intraband carrier‐carrier scattering; (3) energy transfer between electrons and holes via intraband electron‐hole scattering cannot guarantee that electrons and holes will maintain the same carrier temperature for hot‐carrier solar cells in all cases, especially if the difference between electron and hole temperatures is smaller than 100?K; and (4) materials with a band‐gap energy larger than 1?eV are favorable as conventional solar cells in which Auger recombination is not significant. On the contrary, materials with a band‐gap energy smaller than 0.5?eV are not suitable for conventional solar cells due to the detrimental effects of Auger recombination. However, they are ideal materials for realizing hot‐carrier solar cells due to beneficial effects of impact ionization generation, although these beneficial effects can be undermined by spectral hole burning. </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> [P>理论上研究了由两个电子在热载体太阳能电池上的两个电子之间的库仑电位相互作用产生的载流子载波散射的影响。呈现和衍生的理论模型和用于计算Intraband载波载波散射速率，电子到能量传递速率，螺旋钻重组率和冲击电离产生速率的理论模型和显式公式。获得了这些公式的数值计算，研究了它们对热载体太阳能电池的影响。从该研究中可以得出几种发现：（1）内部电子 - 电子散射和空穴 - 孔散射通常足够快，以便在动量空间中随机化载体分布，从而维持QuasiequibiRium以在稳定状态下建立电子和孔温度; （2）热载体太阳能电池中燃烧的光谱孔可以通过快速载体提取过程通过能量选择性触点和慢性内在载体载体散射来产生; （3）通过内部电子孔散射的电子和孔之间的能量传递不能保证在所有情况下，电子和孔都会在热载体太阳能电池中保持相同的载波温度，特别是如果电子和孔温度之间的差异小于100 ？k; （4）具有大于1的带间隙能量的材料的材料有利于传统的太阳能电池，其中螺旋钻重组不显着。相反，由于螺旋钻重组的不利影响，具有小于0.5的带间隙能量的材料不适用于常规的太阳能电池。然而，由于碰撞电离产生的有益效果，它们是实现热载体太阳能电池的理想材料，尽管这些有益效果可以通过光谱漏洞燃烧而破坏。</ 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>2019年第5期</span><b style="margin: 0 2px;">|</b><span>共20页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Tsai Chin‐Yi&option=202" target="_blank" rel="nofollow">Tsai Chin‐Yi;</a> </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"> <p>Department of Applied PhysicsNational University of KaohsiungKaohsiung Taiwan;</p> </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=Auger&option=203" rel="nofollow">Auger;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=carrier‐carrier scattering&option=203" rel="nofollow">carrier‐carrier scattering;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=hot carrier&option=203" rel="nofollow">hot carrier;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=impact ionization&option=203" rel="nofollow">impact ionization;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=photovoltaic&option=203" rel="nofollow">photovoltaic;</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=theory&option=203" rel="nofollow">theory;</a> </p> <div class="translation"> 机译：螺旋钻;载体载体散射;热载体;冲击电离;光伏;太阳能电池;理论; 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