Laser Patterned Flexible 4T Perovskite-Cu(In,Ga)Se2 Tandem Mini-module with Over 18% Efficiency

被引：13

作者：

Kothandaraman, Radha K. ^{[1
]}

Lai, Huagui ^{[1
]}

Aribia, Abdessalem ^{[1
]}

Nishiwaki, Shiro ^{[1
]}

Siegrist, Severin ^{[1
]}

Krause, Maximilian ^{[1
]}

Zwirner, Yannick ^{[1
]}

Sevilla, Galo Torres ^{[1
]}

Artuk, Kerem ^{[2
]}

Wolff, Christian M. ^{[2
]}

Carron, Romain ^{[1
]}

Tiwari, Ayodhya N. ^{[1
]}

Fu, Fan ^{[1
]}

机构：

[1] Empa Swiss Fed Labs Mat Sci & Technol, Lab Thin Films & Photovolta, CH-8600 Dubendorf, Switzerland

[2] Ecole Polytech Fed Lausanne EPFL, Photovolta & Thin Film Elect Lab PV Lab, Inst Elect & Microengn IEM, CH-2000 Neuchatel, Switzerland

来源：

SOLAR RRL | 2022年 / 6卷 / 09期

基金：

瑞士国家科学基金会;

关键词：

flexible tandems; laser patterning; perovskite mini-modules; perovskites; PEROVSKITE SOLAR-CELLS;

D O I：

10.1002/solr.202200392

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

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.

引用

页数：11

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