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  4. Laser Patterned Flexible 4T Perovskite-Cu(In,Ga)Se-2 Tandem Mini-module with Over 18% Efficiency
 
research article

Laser Patterned Flexible 4T Perovskite-Cu(In,Ga)Se-2 Tandem Mini-module with Over 18% Efficiency

Kothandaraman, Radha K.
•
Lai, Huagui
•
Aribia, Abdessalem
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June 16, 2022
Solar Rrl

Perovskite-Cu(In,Ga)Se-2 (CIGS) thin-film tandem technology provides an exciting prospect to achieve low-cost high-efficiency photovoltaic devices by high throughput roll-to-roll processing on flexible substrates. However, no report on flexible perovskite-CIGS mini-modules has been published due to scribing-related challenges in realizing near-infrared (NIR)-transparent perovskite mini-modules on flexible substrates. Herein, an NIR-transparent flexible perovskite mini-module with an efficiency of 10.8% and an NIR-transparency of over 75% is reported. All-laser scribed interconnection approach is used to realize monolithic interconnection of mini-modules on thermally sensitive soft flexible substrate. An analytical method is utilized to optimize the mini-module layout and achieve a geometric fill factor of over 93%. Further, as a proof of concept, a flexible perovskite-CIGS tandem mini-module with an efficiency of 18.4% on an aperture area of 2.03 cm(2) is demonstrated. To conclude, pathways for improving the efficiency of flexible NIR-transparent perovskite mini-modules are discussed.

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Type
research article
DOI
10.1002/solr.202200392
Web of Science ID

WOS:000811582400001

Author(s)
Kothandaraman, Radha K.
Lai, Huagui
Aribia, Abdessalem
Nishiwaki, Shiro
Siegrist, Severin
Krause, Maximilian
Zwirner, Yannick
Sevilla, Galo Torres
Artuk, Kerem  
Wolff, Christian M.  
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Date Issued

2022-06-16

Publisher

WILEY-V C H VERLAG GMBH

Published in
Solar Rrl
Article Number

2200392

Subjects

Energy & Fuels

•

Materials Science, Multidisciplinary

•

Energy & Fuels

•

Materials Science

•

flexible tandems

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laser patterning

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perovskite mini-modules

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perovskites

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perovskite solar-cells

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

Available on Infoscience
July 4, 2022
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/188877
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