Abstract
Organic-inorganic hybrid halide perovskite materials have been a suitable active layer in solar cells due to the extraordinary photonic and electronic properties. Perovskite solar cells (PSCs), no matter conventional structure or inverted structure, contain several key interfaces, including electrode/electron transport materials (ETM) interface, ETM/perovskite interface, perovskite/hole transport materials (HTM) interface, HTM/electrode interface. The interface is vital to the overall performance of the devices, since the exciton formation, dissociation, and recombination are directly related to the interface. Moreover, the degradation of devices is also highly sensitive to the interface. As a result, the deep understanding of the interfacial charge transfer and corresponding interfacial engineering is extremely important to achieve high-performance and high-stability PSCs. This review mainly focuses on the recent progress of interfacial engineering in PSCs, including conventional structured PSCs, PSCs employing carbon counter electrode, and inverted structured PSCs.
摘要
有机-无机杂化钙钛矿由于其优异的电学及光学性质, 成为制备太阳电池吸光层的理想材料. 无论反式还是**式结构的钙钛矿太阳电池, 均包含以下几个关键界面: 电极/电子传输层界面、电子传输层/钙钛矿界面、钙钛矿/空穴传输层界面、空穴传输层/电极界面. 这些界面的性质对于电池性能至关重要, 因为激子的形成、分离及复合都直接决定于这些界面. 此外, 器件的稳定性也受界面性质的影响. 因此, 界面电荷转移以及相应的界面修饰对于制备高效率、高稳定性电池器件具有重要助益. 本论文将侧重综述**期在钙钛矿电池领域关于界面修饰问题的重大突破与进展.
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Guangda Niu was born in Hebei, China, in 1988. He received a BSc degree in chemistry (2011) from Nan**g University. Since then, he has been pursuing his PhD degree at Tsinghua University under the supervision of Prof. Liduo Wang. His research interests include the rational design of inorganic-organic hybrid perovskite solar cells, quantum dot sensitized solar cells, and controlled synthesis of nanomaterials.
Liduo Wang is a professor of the Department of Chemistry in Tsinghua University. He received his PhD degree in Nagoya University of Japan in 1995. He has once worked as a visiting scholar in the Department of Chemistry and as a research associate in the Department of Electrical and Electronic Engineering in Hong Kong University of Science and Technology, and a postdoctoral researcher in the Department of Materials Science and Engineering, Tsinghua University. His current research interests include perovskite solar cells, organic-inorganic semiconductor multilayer, and its optoelectronic properties.
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Niu, G., Li, W., Li, J. et al. Progress of interface engineering in perovskite solar cells. Sci. China Mater. 59, 728–742 (2016). https://doi.org/10.1007/s40843-016-5094-6
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DOI: https://doi.org/10.1007/s40843-016-5094-6