PbI        <sub >2</sub>2        /CH        <sub >3</sub>3        NH        <sub >3</sub>3        Cl Mixed Precursor–Induced Micrometer‐Scale Grain Perovskite Film and Room‐Temperature Film Encapsulation toward High Efficiency and Stability of Planar Perovskite Solar Cells

Deng Kaimo; Liu Zhongze; Xin Yu; Li Liang

摘要

Abstract > The power conversion efficiency and the stability are the most important figures of merit for perovskite solar cells which attract increasing attention in recent years. Herein, the growth of high‐quality perovskite films with micrometer‐scale grain size through sequential deposition is first reported using PbI <sub>2</sub> /CH <sub>3</sub> NH <sub>3</sub> Cl mixed precursors during the first step of deposition. The amount of CH <sub>3</sub> NH <sub>3</sub> Cl in the precursor has a great influence on the morphology of perovskite films and the device performance. Compared with traditional sequential deposition with pure PbI <sub>2</sub> in the first step, this method renders the perovskite solar cells with an improved power conversion efficiency up to 18.7% and reduced hysteresis. In addition, the fluorinated carbon film prepared at room temperature is reported as an encapsulation layer for perovskite solar cells. The compact and hydrophobic thin film can effectively isolate the device from moisture and oxygen, leading to the largely improved stability in the air. This study not only reveals the effect of chlorine doping on perovskite film formation in the first step of sequential deposition, but also provides a new film encapsulation strategy to improve the device stability in ambient air toward future application. </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> > 电力转换效率和稳定性是近年来吸引了越来越多的关注的钙钛矿太阳能电池的最重要图。在此，首先使用PBI报告通过顺序沉积的高质量钙钛矿膜的生长通过顺序沉积 <sub> 2 </ sub> / ch. <sub> 3 </ sub> NH. <sub> 3 </ sub> CL混合前体在沉积第一步骤中。 ch的数量 <sub> 3 </ sub> NH. <sub> 3 </ sub> 在前体中的CL对钙钛矿薄膜和器件性能的形态有很大影响。与纯PBI传统连续沉积相比 <sub> 2 </ sub> 在第一步中，该方法使钙钛矿太阳能电池提高了可提高的功率转换效率，高达18.7％和降低的滞后。另外，在室温下制备的氟化碳膜作为钙钛矿太阳能电池的封装层。紧凑型疏水性薄膜可以有效地将装置与水分和氧气分离，导致空气中的稳定性很大。这项研究不仅揭示了氯丁掺杂对顺序沉积第一步骤中钙钛矿成膜的影响，而且还提供了一种新的薄膜封装策略，以改善环境空气中的装置稳定性朝向未来的应用。 </ 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-18063/'>《Advanced materials interfaces》</a> <b style="margin: 0 2px;">|</b><span>2018年第15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"> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Deng Kaimo&option=202" target="_blank" rel="nofollow">Deng Kaimo;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Liu Zhongze&option=202" target="_blank" rel="nofollow">Liu Zhongze;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Xin Yu&option=202" target="_blank" rel="nofollow">Xin Yu;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Li Liang&option=202" target="_blank" rel="nofollow">Li Liang;</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>College of PhysicsSoochow UniversitySuzhou 215006 China;</p> <p>College of PhysicsSoochow UniversitySuzhou 215006 China;</p> <p>College of PhysicsSoochow UniversitySuzhou 215006 China;</p> <p>College of PhysicsSoochow UniversitySuzhou 215006 China;</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/6960.html" title="特种结构材料">特种结构材料;</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=encapsulation&option=203" rel="nofollow">encapsulation;</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=sequential deposition&option=203" rel="nofollow">sequential deposition;</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=stability&option=203" rel="nofollow">stability;</a> </p> <div class="translation"> 机译：封装;钙钛矿;顺序沉积;太阳能电池;稳定性; 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PbI 22 /CH 33 NH 33 Cl Mixed Precursor–Induced Micrometer‐Scale Grain Perovskite Film and Room‐Temperature Film Encapsulation toward High Efficiency and Stability of Planar Perovskite Solar Cells

摘要

PbI ₂2 /CH ₃3 NH ₃3 Cl Mixed Precursor–Induced Micrometer‐Scale Grain Perovskite Film and Room‐Temperature Film Encapsulation toward High Efficiency and Stability of Planar Perovskite Solar Cells