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  4. Perovskite Solar Cells: 18% Efficiency Using Zn(II) and Cu(II) Octakis(diarylamine)phthalocyanines as Hole-Transporting Materials
 
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research article

Perovskite Solar Cells: 18% Efficiency Using Zn(II) and Cu(II) Octakis(diarylamine)phthalocyanines as Hole-Transporting Materials

Cho, Kyung Taek  
•
Cavazzini, Marco
•
Rakstys, Kasparas  
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September 1, 2019
ACS Applied Energy Materials

Metallophthalocyanines (MPcs) are currently emerging as alternative hole-transporting materials (HTMs) in perovskite solar cells (PSCs). However, the lack of systematic structure/photovoltaic properties investigations still hampers the rational design of MPcs that might act as efficient HTMs for PSCs. We designed and tested a series of symmetric MPcs (M = Zn(II) or Cu(II)) bearing eight diarylamino substituents of diverse type connected at the peripheral positions of the ligand through N-C bonds. The new MPcs were used as HTMs in solution-processed PSCs. The nature of the diarylamino substituents was found to play a major role in determining the photovoltaic parameters of the device. Comparison of devices fabricated using ZnPcs and their Cu analogs evidenced that the nature of the core metal cation has a more elusive influence. The highest power conversion efficiency of 18.10% was obtained using a ZnPcs bearing eight bis(p-butoxyphenyl)amino substituents.

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Type
research article
DOI
10.1021/acsaem.9b00637
Web of Science ID

WOS:000487770000011

Author(s)
Cho, Kyung Taek  
•
Cavazzini, Marco
•
Rakstys, Kasparas  
•
Orlandi, Simonetta
•
Paek, Sanghyun  
•
Franckevicius, Marius  
•
Kanda, Hiroyuki  
•
Gegevicius, Rokas
•
Emmanuel, Queloz Valentin  
•
Pozzi, Gianluca
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Date Issued

2019-09-01

Published in
ACS Applied Energy Materials
Volume

2

Issue

9

Start page

6195

End page

6199

Subjects

Materials Science, Multidisciplinary

•

Materials Science

•

metallophthalocyanines

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hole-transporting materials

•

perovskite solar cells

•

znpcs bearing eight bis(p-butoxyphenyl)amino substituents

•

octakis(diarylamine)phthalocyanines

•

copper phthalocyanine

•

performance

•

layers

Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
GMF  
Available on Infoscience
October 11, 2019
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/161948
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