Strategic improvement of the long-term stability of perovskite materials and perovskite solar cells
Strategic improvement of the long-term stability of perovskite materials and perovskite solar cells
复制标题
钙钛矿材料和钙钛矿太阳能电池长期稳定性的战略性提升
DOI：
10.1039/c6cp04553g
复制
发表时间：
2016-10-21
影响因子：
3.3
通讯作者：
Ma, Tingli
中科院分区：
文献类型：
--
作者：
Xu, Tingting;Chen, Lixin;Ma, Tingli
近几年来，超导太阳能电池（PSC）引起了人们极大的研究兴趣。迄今为止，PSC的功率转换效率（PCE）已从3.8%提高到22.1%以上，表明它们作为可再生能源具有与传统硅太阳能电池竞争的前景。然而，目前PSC的一个关键挑战是钙钛矿材料和PSC具有易降解和长期稳定性差的局限性，从而阻碍了其未来的商业应用。本文综述了不稳定钙钛矿材料及其太阳能电池的降解机理。从实验测试和理论计算两个方面综述了钙钛矿材料和PSC的稳定性研究。从钙钛矿材料工程、替代有机和无机空穴传输材料、以碳及其相关复合材料为主要成分的替代电极、界面改性、新型器件结构构建和封装等方面综述了提高钙钛矿材料和PSC稳定性的策略，并对钙钛矿材料和PSC的未来发展方向进行了展望。这篇综述有望为进一步提高钙钛矿材料和PSC在这一令人兴奋的领域的稳定性提供有益的见解。
Perovskite solar cells (PSCs) have gained tremendous research interest in recent several years. To date the power conversion efficiency (PCE) of PSCs has been increased from 3.8% to over 22.1%, showing that they have a promising future as a renewable energy resource to compete with conventional silicon solar cells. However, a crucial challenge of PSCs currently is that perovskite materials and PSCs have limitations of easy degradation and inferior long-term stabilities, thus hampering their future commercial applications. In this review, the degradation mechanisms for instable perovskite materials and their corresponding solar cells are discussed. The stability study of perovskite materials and PSCs from the aspect of experimental tests and theoretical calculations is reviewed. The strategies for enhancing the stability of perovskite materials and PSCs are summarized from the viewpoints of perovskite material engineering, substituted organic and inorganic materials for hole transportation, alternative electrodes comprising mainly carbon and its relevant composites, interfacial modification, novel device structure construction and encapsulation, etc. Various approaches and outlooks on the future direction of perovskite materials and PSCs are highlighted. This review is expected to provide helpful insights for further enhancing the stability of perovskite materials and PSCs in this exciting field.