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Recent Advance in Solution‐Processed Organic Interlayers for High‐Performance Planar Perovskite Solar Cells

机译:高性能平面钙钛矿太阳能电池溶液加工有机中间层的最新进展

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摘要

Planar heterojunction perovskite solar cells (PSCs) provide great potential for fabricating high‐efficiency, low‐cost, large‐area, and flexible photovoltaic devices. In planar PSCs, a perovskite absorber is sandwiched between hole and electron transport materials. The charge‐transporting interlayers play an important role in enhancing charge extraction, transport, and collection. Organic interlayers including small molecules and polymers offer great advantages for their tunable chemical/electronic structures and low‐temperature solution processibility. Here, recent progress of organic interlayers in planar heterojunction PSCs is discussed, and the effect of chemical structures on device performance is also illuminated. Finally, the main challenges in developing planar heterojunction PSCs based on organic interlayers are identified, and strategies for enhancing the device performance are also proposed.
机译:平面异质结钙钛矿太阳能电池(PSC)为制造高效,低成本,大面积和柔性光伏器件提供了巨大潜力。在平面PSC中,钙钛矿吸收剂夹在空穴和电子传输材料之间。电荷传输中间层在增强电荷的提取,传输和收集中起着重要作用。有机中间层(包括小分子和聚合物)因其可调节的化学/电子结构和低温溶液可加工性而具有巨大优势。在此,讨论了平面异质结PSC中有机中间层的最新进展,并阐明了化学结构对器件性能的影响。最后,确定了开发基于有机中间层的平面异质结PSC的主要挑战,并提出了提高器件性能的策略。

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