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Recent Advances in Organic Hole Transporting Materials for Perovskite Solar Cells
Solar RRL ( IF 6.0 ) Pub Date : 2020-09-12 , DOI: 10.1002/solr.202000461
Esmaeil Sheibani 1 , Li Yang 2 , Jinbao Zhang 2
Affiliation  

Perovskite solar cells (PSCs) with advantages of exceptional photovoltaic performance and facile solution‐processed fabrication have shown great potential in future scalable application. After about a decade of rapid development, this new PSCs technology demonstrates over 25% efficiency, a comparable performance with traditional silicon solar cells. Further, the development of PSCs in the direction of scalable production still highly relies on designing innovative materials with low cost and high efficiency. Recently, a great number of functional organic molecules as hole transport materials (HTMs) have been designed, synthesized, and studied in PSCs, including molecules with planar structure, 3D geometry, or different core units. Discovering the correlation between their chemical structures and physicochemical properties plays a fundamental role in supervising future molecular design and synthesis. Herein, recent advances in organic molecular HTMs with various structures in typical and reverse PSCs device configuration are summarized, including doped and doping‐free materials. By evaluating the structural modification and analyzing their effects on photovoltaic performance, the goal is to generate universal strategies for preparing low‐cost and efficient HTMs, paving the way for future scalable application of PSCs.

中文翻译:

钙钛矿太阳能电池有机空穴传输材料的最新进展

钙钛矿型太阳能电池(PSC)具有出色的光伏性能和简便的溶液加工制造工艺,在未来可扩展的应用中显示出巨大的潜力。经过大约十年的快速发展,这项新的PSC技术显示出超过25%的效率,与传统的硅太阳能电池具有可比的性能。此外,向可扩展生产方向发展的PSC仍然高度依赖于设计低成本和高效率的创新材料。最近,已经在PSC中设计,合成和研究了大量作为空穴传输材料(HTM)的功能性有机分子,包括具有平面结构,3D几何形状或不同核心单元的分子。发现它们的化学结构和物理化学性质之间的相关性在监督未来的分子设计和合成中起着根本性的作用。本文总结了有机分子HTM在典型和反向PSC器件配置中具有各种结构的最新进展,包括掺杂和无掺杂材料。通过评估结构修改并分析其对光伏性能的影响,目标是生成通用的策略来准备低成本高效的HTM,为将来的PSC扩展应用铺平道路。
更新日期:2020-09-12
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