杨晔团队JPCB:有机太阳能电池链内和链间激发态的相互功效
<img src="https://mmbiz.qpic.cn/mmbiz_gif/er8NgbgaMPuz1PwoE85vMTGQXmdx1MZhmaVQZZNRHyG09HG6gLic21QAYN0h8RibMfHjfOhImicPib9vqTIkibkPv8w/640?wx_fmt=gif&tp=webp&wxfrom=5&wx_lazy=1" style="width: 50%; margin-bottom: 20px;"><strong style="color: blue;">1.前言</strong><p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">非富勒烯有机太阳能电池（</span><span style="color: black;">NF-</span><span style="color: black;">OSCs</span><span style="color: black;">）的<span style="color: black;">快速</span>发展</span><span style="color: black;">一方面是<span style="color: black;">由于</span><span style="color: black;">各样</span>高性能非富勒烯</span><span style="color: black;">受体的</span><span style="color: black;"><span style="color: black;">研发</span></span><span style="color: black;">，</span><span style="color: black;">另一方面</span><span style="color: black;">得益于近年来</span><span style="color: black;">人们</span><span style="color: black;">在有机光电子学<span style="color: black;">行业</span>的深入<span style="color: black;">科研</span>。</span><span style="color: black;">尽管</span><span style="color: black;"><span style="color: black;">日前</span><span style="color: black;">已然</span>有</span><span style="color: black;">丰富的聚合物</span><span style="color: black;">给体和一系列成熟的设计思路</span><span style="color: black;">，</span><span style="color: black;">但<span style="color: black;">针对</span>深层次理解</span><span style="color: black;">NF-OSCs</span><span style="color: black;">的工作机制</span><span style="color: black;">仍<span style="color: black;">拥有</span>挑战性，<span style="color: black;">由于</span></span><span style="color: black;">其</span><span style="color: black;">可能与基于富勒烯的</span><span style="color: black;">OSCs</span><span style="color: black;">有</span><span style="color: black;">本质</span><span style="color: black;">的<span style="color: black;">区别</span></span><span style="color: black;">。</span><span style="color: black;">为了</span><span style="color: black;">进一步解析</span><span style="color: black;">NF-OSCs</span><span style="color: black;">的工作机制，</span><span style="color: black;"><span style="color: black;">必须</span></span><span style="color: black;">深入<span style="color: black;">认识</span>光吸收材料中<span style="color: black;">各样</span>激发态</span><span style="color: black;">的</span><span style="color: black;">时间演化。</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="https://mmbiz.qpic.cn/mmbiz_jpg/er8NgbgaMPtTTl0QicvIOMLgWtP5TuSdLHcdNKORIR6m0Afm6FmDzbU61yu8n5dyWmFZS7CuAetFDnnmsZfe91w/640?wx_fmt=jpeg&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" style="width: 50%; margin-bottom: 20px;"></p><span style="color: black;"><strong style="color: blue;"><span style="color: black;">图</span></strong><strong style="color: blue;"><span style="color: black;">1:激发态时间演化示意图</span></strong></span><img src="https://mmbiz.qpic.cn/mmbiz_gif/er8NgbgaMPuz1PwoE85vMTGQXmdx1MZhmaVQZZNRHyG09HG6gLic21QAYN0h8RibMfHjfOhImicPib9vqTIkibkPv8w/640?wx_fmt=gif&tp=webp&wxfrom=5&wx_lazy=1" style="width: 50%; margin-bottom: 20px;"><strong style="color: blue;">2.简介</strong>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">有鉴于此，<span style="color: black;">近期</span>，</span><strong style="color: blue;"><span style="color: black;">厦门大学杨晔教授</span></strong><span style="color: black;"><span style="color: black;">科研</span>团队利用瞬态吸收光谱（TA），系统地<span style="color: black;">科研</span>了典型聚合物给体PM6中<span style="color: black;">区别</span>激发态的时间演化。结果<span style="color: black;">显示</span>，在PM6中，极化激子（p-Exs）和极化子对（PPs）在光激发后能够立即稳定共存，<span style="color: black;">况且</span><span style="color: black;">拥有</span>相同的动力学<span style="color: black;">行径</span>。在PM6溶液中，大<span style="color: black;">都数</span><span style="color: black;">关联</span>p-Exs和PPs<span style="color: black;">经过</span>电荷重组直接放松到基态，而其中很小一部分<span style="color: black;">因为</span>链折叠时的链间相互<span style="color: black;">功效</span>而转换成链间PPs。相反，在PM6薄膜中，p-Exs和链内PPs<span style="color: black;">因为</span><span style="color: black;">广泛</span>存在的链间相互<span style="color: black;">功效</span>而完全转换成链间PPs。链间PPs的寿命<span style="color: black;">显著</span>短于p-Exs和链内PPs的寿命。这些激发态之间相互<span style="color: black;">功效</span>的<span style="color: black;">科研</span>结果以及它们各自的动力学<span style="color: black;">行径</span><span style="color: black;">显示</span>，在OSCs中，PM6的界面电子转移（ET）应当依赖于PM6所处环境。</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="https://mmbiz.qpic.cn/mmbiz_jpg/er8NgbgaMPtTTl0QicvIOMLgWtP5TuSdL1n7qZKVcanxtYUSZ8R9ypSjN46BibzgRn4iaWt662R7KicMQicvDl6icDlA/640?wx_fmt=jpeg&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" style="width: 50%; margin-bottom: 20px;"></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;"><span style="color: black;">图2:链间PP的形成动力学</span></strong></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="https://mmbiz.qpic.cn/mmbiz_jpg/er8NgbgaMPtTTl0QicvIOMLgWtP5TuSdLfBFiaPXicMBIOsHD7kuwQsvLOryI7IJcZ1d9sTk7xiaiahfXCmvj9eLia4w/640?wx_fmt=jpeg&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" style="width: 50%; margin-bottom: 20px;"></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;"><span style="color: black;">图3: 混合膜中从PM6到受体的电子转移示意图</span></strong></p><img src="https://mmbiz.qpic.cn/mmbiz_gif/er8NgbgaMPuz1PwoE85vMTGQXmdx1MZhmaVQZZNRHyG09HG6gLic21QAYN0h8RibMfHjfOhImicPib9vqTIkibkPv8w/640?wx_fmt=gif&tp=webp&wxfrom=5&wx_lazy=1" style="width: 50%; margin-bottom: 20px;"><strong style="color: blue;">3.总结</strong><span style="color: black;">综上，这项<span style="color: black;">科研</span><span style="color: black;">显示</span>，<span style="color: black;">很强</span>尺寸的PM6结构将<span style="color: black;">引起</span>较严重的光载流子损失，<span style="color: black;">由于</span>短寿命的链间PPs是PM6聚集<span style="color: black;">身体</span>部电荷传输的<span style="color: black;">重点</span>参与者。</span><span style="color: black;"><span style="color: black;">关联</span><span style="color: black;">科研</span>成果现已发</span><span style="color: black;">表在《The Journal of Physical Chemistry B》上，题为“</span><span style="color: black;">Interplay between Intrachain and Interchain Excited States in Donor-Acceptor Copolymers</span><span style="color: black;">”。</span>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">本文关</span><span style="color: black;">键词：</span><span style="color: black;">有机</span><span style="color: black;">太阳能电池</span><span style="color: black;">，极化激子，极化子对</span><span style="color: black;">，电荷传输，瞬态吸收</span><span style="color: black;">，PM6，Y6</span><span style="color: black;">。</span></p><img src="https://mmbiz.qpic.cn/mmbiz_gif/er8NgbgaMPuz1PwoE85vMTGQXmdx1MZhmaVQZZNRHyG09HG6gLic21QAYN0h8RibMfHjfOhImicPib9vqTIkibkPv8w/640?wx_fmt=gif&tp=webp&wxfrom=5&wx_lazy=1" style="width: 50%; margin-bottom: 20px;"><strong style="color: blue;">4.</strong><strong style="color: blue;">材料</strong>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="https://mmbiz.qpic.cn/mmbiz_png/er8NgbgaMPu4a6C8QgpmXFQZzBEUSet3Vjk7g4h5ozwpMmcPSSq3kloic68Vdbzn1CW186mWododJDTqzgaEY6Q/640?wx_fmt=png&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" style="width: 50%; margin-bottom: 20px;"></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><a style="color: black;"><span style="color: black;"><strong style="color: blue;"><span style="color: black;">PM6</span></strong></span></a></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">1802013-83-7</span></span></p>
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<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">https://doi.org/10.1021/acs.jpcb.1c03989</span></span></p>
楼主的文章非常有意义，提升了我的知识水平。
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