TY - JOUR
T1 - Resolving Scaling Issues in Self-Assembled Monolayer-Based Perovskite Solar Modules via Additive Engineering
AU - Pininti, Anil Reddy
AU - Subbiah, Anand Selvin
AU - Deger, Caner
AU - Yavuz, Ilhan
AU - Prasetio, Adi
AU - Dally, Pia
AU - Hnapovskyi, Vladyslav
AU - Said, Ahmed Ali
AU - Torres Merino, Luis Victor
AU - Mannar, Subhashri
AU - Zhumagali, Shynggys
AU - Vishal, Badri
AU - Marengo, Marco
AU - Razzaq, Arsalan
AU - Babics, Maxime
AU - Allen, Thomas G.
AU - Aydin, Erkan
AU - Azmi, Randi
AU - De Wolf, Stefaan
N1 - Publisher Copyright:
© 2024 Wiley-VCH GmbH.
PY - 2025/2/18
Y1 - 2025/2/18
N2 - Molecular self-assembled monolayers (SAMs), anchored on a transparent conductive oxide, serve as a class of effective hole-selective contacts in high-performance lab-scale perovskite solar cells (PSCs). However, scaling these SAM-based PSCs to large-area modules introduces challenges, such as the de-wetting of the perovskite ink on glass around P1 scribe zones—a part of the module design – which compromises film uniformity and reproducibility. To overcome these coverage anomalies, the study incorporates 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone (DMPU) into the SAM solution, enhancing the interaction between the SAM and the perovskite ink and improving wettability. The approach leads to the fabrication of wide-bandgap (1.67 eV) PSCs with power conversion efficiencies (PCEs) of up to 22.4% for small-area devices (0.057 cm2) and 20% for perovskite mini-modules (9.8 cm2) with high reproducibility. Additionally, the target devices demonstrate enhanced photostability, maintaining 80% of their initial PCE after 490 hours of maximum power point tracking under continuous 1-sun illumination. This study identifies the key challenges in scaling up SAM-based perovskite modules and presents a promising strategy for fabricating scalable SAM-based perovskite modules.
AB - Molecular self-assembled monolayers (SAMs), anchored on a transparent conductive oxide, serve as a class of effective hole-selective contacts in high-performance lab-scale perovskite solar cells (PSCs). However, scaling these SAM-based PSCs to large-area modules introduces challenges, such as the de-wetting of the perovskite ink on glass around P1 scribe zones—a part of the module design – which compromises film uniformity and reproducibility. To overcome these coverage anomalies, the study incorporates 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone (DMPU) into the SAM solution, enhancing the interaction between the SAM and the perovskite ink and improving wettability. The approach leads to the fabrication of wide-bandgap (1.67 eV) PSCs with power conversion efficiencies (PCEs) of up to 22.4% for small-area devices (0.057 cm2) and 20% for perovskite mini-modules (9.8 cm2) with high reproducibility. Additionally, the target devices demonstrate enhanced photostability, maintaining 80% of their initial PCE after 490 hours of maximum power point tracking under continuous 1-sun illumination. This study identifies the key challenges in scaling up SAM-based perovskite modules and presents a promising strategy for fabricating scalable SAM-based perovskite modules.
KW - additive engineering
KW - perovskite module
KW - self-assembled monolayer
KW - wettability
KW - wide-bandgap perovskite
UR - http://www.scopus.com/inward/record.url?scp=85205761124&partnerID=8YFLogxK
U2 - 10.1002/aenm.202403530
DO - 10.1002/aenm.202403530
M3 - Article
AN - SCOPUS:85205761124
SN - 1614-6832
VL - 15
JO - Advanced Energy Materials
JF - Advanced Energy Materials
IS - 7
M1 - 2403530
ER -
