Fast Fabrication of a Stable Perovskite Solar Cell with an Ultrathin Effective Novel Inorganic Hole Transport Layer

With the aim of fabricating simple, reproducible, and scalable perovskite solar cells (PSCs) with least time consumption, a novel CoOx hole transport layer (HTL) was first proposed and introduced in this work. The CoOx HTL thickness was minimized to about 10 nm with complete coverage on the FTO subs...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 33(2017), 15 vom: 18. Apr., Seite 3624-3634
1. Verfasser: Huang, Aibin (VerfasserIn)
Weitere Verfasser: Lei, Lei, Zhu, Jingting, Yu, Yu, Liu, Yan, Yang, Songwang, Bao, Shanhu, Cao, Xun, Jin, Ping
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't
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520 |a With the aim of fabricating simple, reproducible, and scalable perovskite solar cells (PSCs) with least time consumption, a novel CoOx hole transport layer (HTL) was first proposed and introduced in this work. The CoOx HTL thickness was minimized to about 10 nm with complete coverage on the FTO substrate (F-doped SnO2) by direct current magnetron sputtering. The ultrathin HTL could minimize the incident light loss caused by cobalt ion absorption and reduce the carrier transport loss by shortening the transport path. Copper was incorporated into the CoOx lattice to address the low conductivity of the CoOx film and the energy-level mismatch between CoOx and the perovskite material. On the basis of cobalt-copper binary oxide (Co1-yCuyOx), the highest power conversion efficiency (PCE) of about 10% was achieved, which was acceptable for mass production. Moreover, the deposition of such Co1-yCuyOx films takes only 2 min without size limitation of substrates. A well-functioned device based on the Co1-yCuyOx HTL could hence be fabricated within 100 min. Excellent stability was demonstrated as well, with over 90% of the initial PCE remaining after being stored in a dark and humid environment (relative humidity 60%) for 12 days 
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700 1 |a Lei, Lei  |e verfasserin  |4 aut 
700 1 |a Zhu, Jingting  |e verfasserin  |4 aut 
700 1 |a Yu, Yu  |e verfasserin  |4 aut 
700 1 |a Liu, Yan  |e verfasserin  |4 aut 
700 1 |a Yang, Songwang  |e verfasserin  |4 aut 
700 1 |a Bao, Shanhu  |e verfasserin  |4 aut 
700 1 |a Cao, Xun  |e verfasserin  |4 aut 
700 1 |a Jin, Ping  |e verfasserin  |4 aut 
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