Overcoming the Interface Losses in Planar Heterojunction Perovskite-Based Solar Cells

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• 作者：Yi Hou ; Wei Chen ; Derya Baran ; Tobias Stubhan ; Norman A. Luechinger ; Benjamin Hartmeier ; Moses Richter ; Jie Min ; Shi Chen ; Cesar Omar Ramirez Quiroz ; Ning Li ; Hong Zhang ; Thomas Heumueller ; Gebhard J. Matt ; Andres Osvet ; Karen Forberich ; Zhi-Guo Zhang ; Yongfang Li ; Benjamin Winter ; Peter Schweizer ; Erdmann Spiecker and Christoph J. Brabec
• 刊名：Advanced Materials
• 出版年：2016
• 出版时间：July 6, 2016
• 年：2016
• 卷：28
• 期：25
• 页码：5112-5120
• 全文大小：1442K
• ISSN：1521-4095

文摘

A scalable, hysteresis-free and planar architecture perovskite solar cell is presented, employing a flame spray synthesized low-temperature processed NiO (LT-NiO) as hole-transporting layer yielding efficiencies close to 18%. Importantly, it is found that LT-NiO boosts the limits of open-circuit voltages toward an impressive non-radiative voltage loss of 0.226 V only, whereas PEDOT:PSS suffers from significant large non-radiative recombination losses.