Ionic and Optical Properties of Methylammonium Lead Iodide Perovskite across the Tetragonal–Cubic Structural Phase Transition

Hoque Md Nadim Ferdous; Islam Nazifah; Li Zhen; Ren Guofeng; Zhu Kai; Fan Zhaoyang

摘要

Abstract > Practical hybrid perovskite solar cells (PSCs) must endure temperatures above the tetragonal–cubic structural phase transition of methylammonium lead iodide (MAPbI <sub>3</sub> ). However, the ionic and optical properties of MAPbI <sub>3</sub> in such a temperature range, and particularly, dramatic changes in these properties resulting from a structural phase transition, are not well studied. Herein, we report a striking contrast at approximately 45?°C in the ionic/electrical properties of MAPbI <sub>3</sub> owing to a change of the ion activation energy from 0.7 to 0.5?eV, whereas the optical properties exhibit no particular transition except for the steady increase of the bandgap with temperature. These observations can be explained by the “continuous” nature of perovskite phase transition. We speculate that the critical temperature at which the ionic/electrical properties change, although related to crystal symmetry variation, is not necessarily the same temperature as when tetragonal–cubic structural phase transition occurs. </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> > 实际的杂交钙钛矿太阳能电池（PSCs）必须忍受高于甲基铅碘化物四立方结构相转变的温度（MAPBI <sub> 3 </ sub> ）。但是，MAPBI的离子和光学性质 <sub> 3 </ sub> 在这种温度范围内，特别是由结构相转变产生的这些性质中的显着变化，并不适用。在此，我们在MAPBI的离子/电气性质中报告了大约45℃的醒目对比 <sub> 3 </ sub> 由于离子激活能量为0.7至0.5°的变化，而除了具有温度的带隙的稳定增加之外，光学性质没有特定的转变。这些观察结果可以通过钙钛矿相转变的“连续”性质来解释。我们推测了离子/电学性质变化的临界温度，尽管与晶体对称变化有关，但不一定是与四方立方结构相变发生时相同的温度。 </ 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-16185/'>《ChemSusChem》</a> <b style="margin: 0 2px;">|</b><span>2016年第18期</span><b style="margin: 0 2px;">|</b><span>共7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=Hoque Md Nadim Ferdous&option=202" target="_blank" rel="nofollow">Hoque Md Nadim Ferdous;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Islam Nazifah&option=202" target="_blank" rel="nofollow">Islam Nazifah;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Li Zhen&option=202" target="_blank" rel="nofollow">Li Zhen;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Ren Guofeng&option=202" target="_blank" rel="nofollow">Ren Guofeng;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Zhu Kai&option=202" target="_blank" rel="nofollow">Zhu Kai;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Fan Zhaoyang&option=202" target="_blank" rel="nofollow">Fan Zhaoyang;</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 Electrical and Computer Engineering and Nano Tech CenterTexas Tech UniversityLubbock Texas 79409 USA;</p> <p>Department of Electrical and Computer Engineering and Nano Tech CenterTexas Tech UniversityLubbock Texas 79409 USA;</p> <p>Chemistry and Nanoscience CenterNational Renewable Energy LaboratoryGolden Colorado 80401 USA;</p> <p>Department of Electrical and Computer Engineering and Nano Tech CenterTexas Tech UniversityLubbock Texas 79409 USA;</p> <p>Chemistry and Nanoscience CenterNational Renewable Energy LaboratoryGolden Colorado 80401 USA;</p> <p>Department of Electrical and Computer Engineering and Nano Tech CenterTexas Tech UniversityLubbock Texas 79409 USA;</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/159.html" title="化学">化学;</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=cubic&option=203" rel="nofollow">cubic;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=optoelectronic properties&option=203" rel="nofollow">optoelectronic properties;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=tetragonal&option=203" rel="nofollow">tetragonal;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=perovskite&option=203" rel="nofollow">perovskite;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=phase transition&option=203" rel="nofollow">phase transition;</a> </p> <div class="translation"> 机译：立方体;光电性质;四方;钙钛矿;相转变; 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2008-06-11</span> </div> </li> <li> <div> <b>3. </b><a class="enjiyixqcontent" href="/patent-detail/06130436637649.html">Method to produce optical parts for microlithography, associated lens systems and its application uses optical garnets, cubic spinels, cubic perovskites, and cubic M (II) - M (Iv) oxides</a> <b>[P]</b> . <span> 外国专利：  DE102005010655A1 </span> <span> . 2006-09-14</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：生产用于微光刻的光学部件的方法，相关的透镜系统及其应用，使用光学石榴石，立方尖晶石，立方钙钛矿和立方M（II）-M（Iv）氧化物 </span> </p> </li> <li> <div> <b>4. </b><a class="enjiyixqcontent" href="/patent-detail/06130500829004.html">PRODUCTION METHOD OF METHYLAMMONIUM LEAD HALIDE PEROVSKITE QUANTUM DOTS</a> <b>[P]</b> . <span> 外国专利：  US2021317366A1 </span> <span> . 2021-10-14</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: 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