Author
Listed:
- So Min Park
(Northwestern University
University of Toronto)
- Mingyang Wei
(Ecole Polytechnique Fédérale de Lausanne)
- Nikolaos Lempesis
(Ecole Polytechnique Fédérale de Lausanne)
- Wenjin Yu
(Peking University)
- Tareq Hossain
(University of Kentucky)
- Lorenzo Agosta
(Ecole Polytechnique Fédérale de Lausanne)
- Virginia Carnevali
(Ecole Polytechnique Fédérale de Lausanne)
- Harindi R. Atapattu
(University of Kentucky)
- Peter Serles
(University of Toronto)
- Felix T. Eickemeyer
(Ecole Polytechnique Fédérale de Lausanne)
- Heejong Shin
(Northwestern University)
- Maral Vafaie
(University of Toronto)
- Deokjae Choi
(Northwestern University)
- Kasra Darabi
(North Carolina State University)
- Eui Dae Jung
(University of Toronto)
- Yi Yang
(Northwestern University)
- Da Bin Kim
(University of Toronto)
- Shaik M. Zakeeruddin
(Ecole Polytechnique Fédérale de Lausanne)
- Bin Chen
(Northwestern University)
- Aram Amassian
(North Carolina State University)
- Tobin Filleter
(University of Toronto)
- Mercouri G. Kanatzidis
(Northwestern University)
- Kenneth R. Graham
(University of Kentucky)
- Lixin Xiao
(Peking University)
- Ursula Rothlisberger
(Ecole Polytechnique Fédérale de Lausanne)
- Michael Grätzel
(Ecole Polytechnique Fédérale de Lausanne)
- Edward H. Sargent
(Northwestern University
University of Toronto
Northwestern University)
Abstract
Inverted perovskite solar cells (PSCs) promise enhanced operating stability compared to their normal-structure counterparts1–3. To improve efficiency further, it is crucial to combine effective light management with low interfacial losses4,5. Here we develop a conformal self-assembled monolayer (SAM) as the hole-selective contact on light-managing textured substrates. Molecular dynamics simulations indicate that cluster formation during phosphonic acid adsorption leads to incomplete SAM coverage. We devise a co-adsorbent strategy that disassembles high-order clusters, thus homogenizing the distribution of phosphonic acid molecules, and thereby minimizing interfacial recombination and improving electronic structures. We report a laboratory-measured power conversion efficiency (PCE) of 25.3% and a certified quasi-steady-state PCE of 24.8% for inverted PSCs, with a photocurrent approaching 95% of the Shockley–Queisser maximum. An encapsulated device having a PCE of 24.6% at room temperature retains 95% of its peak performance when stressed at 65 °C and 50% relative humidity following more than 1,000 h of maximum power point tracking under 1 sun illumination. This represents one of the most stable PSCs subjected to accelerated ageing: achieved with a PCE surpassing 24%. The engineering of phosphonic acid adsorption on textured substrates offers a promising avenue for efficient and stable PSCs. It is also anticipated to benefit other optoelectronic devices that require light management.
Suggested Citation
So Min Park & Mingyang Wei & Nikolaos Lempesis & Wenjin Yu & Tareq Hossain & Lorenzo Agosta & Virginia Carnevali & Harindi R. Atapattu & Peter Serles & Felix T. Eickemeyer & Heejong Shin & Maral Vafai, 2023.
"Low-loss contacts on textured substrates for inverted perovskite solar cells,"
Nature, Nature, vol. 624(7991), pages 289-294, December.
Handle:
RePEc:nat:nature:v:624:y:2023:i:7991:d:10.1038_s41586-023-06745-7
DOI: 10.1038/s41586-023-06745-7
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Citations
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Cited by:
- Giovanni Pica & Lorenzo Pancini & Christopher E. Petoukhoff & Badri Vishal & Francesco Toniolo & Changzeng Ding & Young-Kwang Jung & Mirko Prato & Nada Mrkyvkova & Peter Siffalovic & Stefaan De Wolf &, 2024.
"Photo-ferroelectric perovskite interfaces for boosting VOC in efficient perovskite solar cells,"
Nature Communications, Nature, vol. 15(1), pages 1-11, December.
- Dongyang Li & Qing Lian & Tao Du & Ruijie Ma & Heng Liu & Qiong Liang & Yu Han & Guojun Mi & Ouwen Peng & Guihua Zhang & Wenbo Peng & Baomin Xu & Xinhui Lu & Kuan Liu & Jun Yin & Zhiwei Ren & Gang Li , 2024.
"Co-adsorbed self-assembled monolayer enables high-performance perovskite and organic solar cells,"
Nature Communications, Nature, vol. 15(1), pages 1-13, December.
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