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Toward Efficient and Fully Scalable Sputtered NiOx-Based Inverted Perovskite Solar Modules via Co-Ordinated Modification Strategies
Hasselt University, Belgium; Thin Film PV Technology – Partner in Solliance, Belgium; EnergyVille, Belgium .
Thin Film PV Technology – Partner in Solliance, Belgium; EnergyVille, Belgium; ESAT, KU Leuven, Belgium; Fudan University, China .
Thin Film PV Technology – Partner in Solliance, Belgium; EnergyVille, Belgium; ESAT, KU Leuven, Belgium.
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Physics (from 2013).
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2023 (English)In: Solar RRL, E-ISSN 2367-198X, article id 2300862Article in journal (Refereed) Published
Abstract [en]

Sputtered nickel oxide (NiOx) has become one of the most promising inorganic hole transport layers for p–i–n perovskite solar cells (PSCs) due to its appealing features such as its robust nature, low material cost, and easy integration to tandem structures and large-area applications. However, the main drawback with NiOx-based PSCs is typically low open-circuit voltage (VOC) due to the inferior energy-level alignment, low charge mobility, and high recombination at the interface. Herein, two types of phosphonic acid self-assembled monolayers (SAMs) deposited by blade coating as an interfacial layer to modulate the sputtered NiOx/perovskite interface properties are used. While sputtered NiOx serves as a conformally coated hole selective layer, the ultrathin SAM interlayer facilitates the hole extraction and minimizes the energy loss at the interface. Co-ordinately introduced stabilizing additive, namely octadecyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate (I-76), further improves the device performance of NiOx/SAM-based PSCs, resulting in VOC of 1.14 V and a power conversion efficiency of 21.8%. By applying these strategies for perovskite module upscaling, aperture area module efficiencies of 19.7%, 17.5%, and 15.5% for perovskite minimodules of 4, 16, and 100 cm2 are demonstrated, corresponding to active area module efficiencies of 20.4%, 18.0%, and 16.4%, respectively. 

Place, publisher, year, edition, pages
John Wiley & Sons, 2023. article id 2300862
Keywords [en]
additives, blade coating, Me-4PACz, p-i-n perovskite solar cells, perovskite solar modules, self-assembled monolayers, sputtered nickel oxides
National Category
Materials Chemistry
Research subject
Physics
Identifiers
URN: urn:nbn:se:kau:diva-98044DOI: 10.1002/solr.202300862ISI: 001133660600001Scopus ID: 2-s2.0-85180690649OAI: oai:DiVA.org:kau-98044DiVA, id: diva2:1828673
Funder
EU, Horizon 2020, 850937, JTC‐2019‐013Available from: 2024-01-17 Created: 2024-01-17 Last updated: 2024-01-29Bibliographically approved

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Singh, ShivamMarchezi, Paulo E.Moons, Ellen

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