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Perovskite Solar Cells with ZnO Electron‐Transporting Materials
Advanced Materials ( IF 27.4 ) Pub Date : 2017-11-06 , DOI: 10.1002/adma.201703737 Peng Zhang 1 , Jiang Wu 2 , Ting Zhang 1 , Yafei Wang 1 , Detao Liu 1 , Hao Chen 1 , Long Ji 1 , Chunhua Liu 1 , Waseem Ahmad 1 , Zhi David Chen 3 , Shibin Li 1
Advanced Materials ( IF 27.4 ) Pub Date : 2017-11-06 , DOI: 10.1002/adma.201703737 Peng Zhang 1 , Jiang Wu 2 , Ting Zhang 1 , Yafei Wang 1 , Detao Liu 1 , Hao Chen 1 , Long Ji 1 , Chunhua Liu 1 , Waseem Ahmad 1 , Zhi David Chen 3 , Shibin Li 1
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Perovskite solar cells (PSCs) have developed rapidly over the past few years, and the power conversion efficiency of PSCs has exceeded 20%. Such high performance can be attributed to the unique properties of perovskite materials, such as high absorption over the visible range and long diffusion length. Due to the different diffusion lengths of holes and electrons, electron transporting materials (ETMs) used in PSCs play a critical role in PSCs performance. As an alternative to TiO2 ETM, ZnO materials have similar physical properties to TiO2 but with much higher electron mobility. In addition, there are many simple and facile methods to fabricate ZnO nanomaterials with low cost and energy consumption. This review focuses on recent developments in the use of ZnO ETM for PSCs. The fabrication methods of ZnO materials are briefly introduced. The influence of different ZnO ETMs on performance of PSCs is then reviewed. The limitations of ZnO ETM‐based PSCs and some solutions to these challenges are also discussed. The review provides a systematic and comprehensive understanding of the influence of different ZnO ETMs on PSCs performance and potentially motivates further development of PSCs by extending the knowledge of ZnO‐based PSCs to TiO2‐based PSCs.
中文翻译：
含ZnO电子传输材料的钙钛矿太阳能电池
钙钛矿太阳能电池（PSC）在过去几年中发展迅速，PSC的功率转换效率已超过20％。这种高性能可归因于钙钛矿材料的独特性能，例如在可见光范围内的高吸收和长扩散长度。由于空穴和电子的扩散长度不同，用于PSC的电子传输材料（ETM）在PSC的性能中起着至关重要的作用。作为TiO 2 ETM的替代品，ZnO材料具有与TiO 2相似的物理性能但具有更高的电子迁移率。另外，存在许多简单且容易的方法来制造具有低成本和能量消耗的ZnO纳米材料。这篇综述着重于在PSC中使用ZnO ETM的最新发展。简要介绍了ZnO材料的制备方法。然后回顾了不同的ZnO ETM对PSC性能的影响。还讨论了基于ZnO ETM的PSC的局限性以及应对这些挑战的一些解决方案。这篇综述提供了对不同ZnO ETM对PSC性能的影响的系统，全面的理解，并可能通过将基于ZnO的PSC的知识扩展到基于TiO 2的PSC来激发PSC的进一步发展。
更新日期：2017-11-06
中文翻译：
含ZnO电子传输材料的钙钛矿太阳能电池
钙钛矿太阳能电池（PSC）在过去几年中发展迅速，PSC的功率转换效率已超过20％。这种高性能可归因于钙钛矿材料的独特性能，例如在可见光范围内的高吸收和长扩散长度。由于空穴和电子的扩散长度不同，用于PSC的电子传输材料（ETM）在PSC的性能中起着至关重要的作用。作为TiO 2 ETM的替代品，ZnO材料具有与TiO 2相似的物理性能但具有更高的电子迁移率。另外，存在许多简单且容易的方法来制造具有低成本和能量消耗的ZnO纳米材料。这篇综述着重于在PSC中使用ZnO ETM的最新发展。简要介绍了ZnO材料的制备方法。然后回顾了不同的ZnO ETM对PSC性能的影响。还讨论了基于ZnO ETM的PSC的局限性以及应对这些挑战的一些解决方案。这篇综述提供了对不同ZnO ETM对PSC性能的影响的系统，全面的理解，并可能通过将基于ZnO的PSC的知识扩展到基于TiO 2的PSC来激发PSC的进一步发展。
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