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  4. Application of a Tetra-TPD-Type Hole-Transporting Material Fused by a Troger's Base Core in Perovskite Solar Cells
 
research article

Application of a Tetra-TPD-Type Hole-Transporting Material Fused by a Troger's Base Core in Perovskite Solar Cells

Braukyla, Titas
•
Xia, Rui
•
Malinauskas, Tadas
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July 22, 2019
Solar Rrl

One of the obstacles to the commercialization of perovskite solar cells (PSCs) is the high price and morphological instability of the most common hole-transporting material (HTM) Spiro-OMeTAD. Herein, a novel HTM, termed V1160, based on four N,N '-bis(3-methylphenyl)-N,N '-diphenylbenzidine (TPD)-type fragments, fused by a Troger's base core, is synthesized and successfully applied in PSCs. Investigation of the optical, thermal, and photoelectrical properties shows that V1160 is a suitable candidate for application as an HTM in PSCs. A promising power conversion efficiency (PCE) of over 18% is demonstrated, which is only slightly lower than that of Spiro-OMeTAD. Moreover, V1160-based devices exhibit improved performances in dopant-free configurations and superior stability. Favorable morphological properties in combination with a simple synthesis make V1160 and related materials promising for HTM applications.

  • Details
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Type
research article
DOI
10.1002/solr.201900224
Web of Science ID

WOS:000477420900001

Author(s)
Braukyla, Titas
Xia, Rui
Malinauskas, Tadas
Daskeviciene, Maryte
Magomedov, Artiom
Kamarauskas, Egidijus
Jankauskas, Vygintas
Fei, Zhaofu  
Roldan-Carmona, Cristina  
Momblona, Cristina  
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Date Issued

2019-07-22

Publisher

WILEY-V C H VERLAG GMBH

Published in
Solar Rrl
Volume

3

Issue

9

Article Number

1900224

Subjects

Materials Science, Multidisciplinary

•

Materials Science

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hole-transporting materials

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perovskite solar cells

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troger's base

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highly efficient

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organic semiconductors

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dye

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performance

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stability

•

lengths

•

derivatives

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cations

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
GMF  
LCOM  
Available on Infoscience
August 8, 2019
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/159620
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