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Advances in stability of perovskite solar cells

机译：钙钛矿太阳能电池稳定性的研究进展

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摘要

Perovskite Solar Cells (PSCs) with efficiency greater than 25% have shown promising prospects for future green technology. However, exposure to moisture, along with thermal and photo instability are critical issues limiting commercialization of the PSC devices. Indeed, perovskite-provoked instability of PSCs together with decomposition of hole transport layer (HTL) and electron transport layer (ETL) contribute to overall degradation process and hence affecting the performance of the device. Herein, we discuss instability of PSCs in various operating conditions such as UV light, humidity, environmental ingredients and temperature. Furthermore, we report the recent progress towards improvement in long-term stability of PSCs and those efforts include but not limited to introducing new HTLs, engineering of perovskite materials, interfacial modification, electrodes and novel device configurations and behavior of the device under encapsulation and un-encapsulation conditions. Moreover, we also discuss the researcher's efforts to improve the optical, electrical and chemical properties of different layer of PSCs. Additionally, to address the future research directions such as the need to improve the intrinsic stability of the perovskite absorber layer, design architecture of the device, and search for new durable materials are also proposed.
机译：效率高于25％的钙钛矿太阳能电池（PSC）已显示出未来绿色技术的广阔前景。但是，暴露于湿气以及热和光不稳定性是限制PSC器件商业化的关键问题。确实，钙钛矿引起的PSC的不稳定性以及空穴传输层（HTL）和电子传输层（ETL）的分解有助于整个降解过程，从而影响器件的性能。本文中，我们讨论了PSC在各种操作条件下的不稳定性，例如紫外线，湿度，环境成分和温度。此外，我们报告了改善PSC长期稳定性的最新进展，这些努力包括但不限于引入新的HTL，钙钛矿材料工程，界面改性，电极和新颖的器件配置，以及器件在封装和未封装状态下的行为。 -封装条件。此外，我们还讨论了研究人员为改善PSC的不同层的光学，电学和化学性质所做的努力。另外，为了解决未来的研究方向，例如需要改善钙钛矿吸收层的固有稳定性，器件的设计架构以及寻找新的耐用材料的提议。

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