DataVXACS Energy LettersPaper
journal article·2024-03-08

Tailoring the Dimensionality of 2D/3D Heterojunctions for Inverted Perovskite Solar Cells

Chaohui Li, Kaicheng Zhang, Santanu Maiti, Zijian Peng, Jingjing Tian, Hyoungwon Park, Jiwon Byun, Zhiqiang Xie, Lirong Dong, Shudi Qiu, Andreas J. Bornschlegl, Chao Liu, Jiyun Zhang, Andres Osvet, Thomas Heumueller, Silke H. Christiansen, Marcus Halik, Tobias Unruh, Ning Li, Larry Lüer, Christoph J. Brabec

ACS Energy Letters· Volume 9· Issue 3
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Source abstract

Abstract

Interface engineering is crucial to achieving stable perovskite photovoltaic devices. A versatile approach is developed to tailor interface properties via integrating co-assembled monolayers (co-SAMs) at the p-type buried interface and by capping a two-dimensional (2D) perovskite layer at the n-type upper interface with vacuum quenching. Optimized co-SAMs promote the coverage of the hole transport layer, significantly reducing the incidence of leakage currents. Based on this foundation, we develop damp-heat-stable perovskite solar cells by precisely tailoring the fragments of 2D perovskite layers through vacuum annealing with phenethylammonium iodide. An impressive open-circuit voltage of 1.216 V is achieved, corresponding to 92% of the value determined by the detailed-balance limit, along with a power conversion efficiency of 23.68%. Ultimately, integrating co-SAMs and the vacuum-assisted annealing fabricated devices maintain 96% and 80% of initial efficiencies after 1200 and 500 h of tracking at a maximum power point under 55 and 85 °C, respectively.
Source: openalex_inverted_index · Quality: baseline

Research context

Electronic materialsMaterials processing

OpenAlex topics: Perovskite Materials and Applications · Conducting polymers and applications · Chalcogenide Semiconductor Thin Films

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Institute of Materials for Electronics and Energy Technology (i-MEET), Department of Materials Science and Engineering, Friedrich-Alexander-Universität Erlangen-Nürnberg, Martensstrasse 7, Erlangen 91058, Germany

Institute for Crystallography and Structural Physics, Friedrich-Alexander-Universität Erlangen-Nürnberg, Staudtstrasse 3, 91058 Erlangen,Germany

Friedrich-Alexander-Universität Erlangen-Nürnberg, Organic Materials and Devices, Department of Materials Science, Interdisciplinary Center for Nanostructured Films (IZNF), 91058 Erlangen, Germany

Fraunhofer Institute for Ceramic Technologies and Systems IKTS, Äußere Nürnberger Strasse 62, 91301 Forchheim, Germany

Helmholtz-Institute Erlangen-Nürnberg for Renewable Energy (HI ERN), Immerwahrstrasse 2, Erlangen 91058, Germany

Institute of Polymer Optoelectronic Materials and Device, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, People’s Republic of China

Funding

China Scholarship Council · Solar Technologies go Hybrid · DFG-SFB953

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