Evaluating the Viability of Interface Modification Strategies for Scalable Perovskite Solar Cell Modules

• Applicant: Professorin Dr. Eva Unger
• Subject Area: Synthesis and Properties of Functional Materials ; Coating and Surface Technology ; Materials in Sintering Processes and Generative Manufacturing Processes ; Physical Chemistry of Solids and Surfaces, Material Characterisation ; Thermodynamics and Kinetics as well as Properties of Phases and Microstructure of Materials
• Term: since 2025
• Project identifier: Deutsche Forschungsgemeinschaft (DFG) - Project number 569550631

This project focuses on developing and evaluating interfacial treatments to enhance the performance of perovskite solar cells — an emerging photovoltaic technology with the potential to revolutionize renewable energy due to their high efficiency, low-cost fabrication, and lightweight, flexible applications. Interfaces are critically promoting or limiting the solar to electrical energy conversion efficiency in solar cell devices. In this project we target the modification of selective charge transport layers to improve the charge carrier extraction efficiency as well as utilize post-treatments to increase the opto-electronic quality of perovskite absorber layers. Inspired by successful approaches to achieve high-efficiency solar cells, the project aims to assess the feasibility to scale up interface modification strategies to manufacture large-area devices using meniscus-based deposition techniques such as slot-die coating. A key objective is to ensure that these interfacial modifications translate effectively from lab-scale to commercial-scale manufacturing. We will employ a comprehensive suite of characterization techniques—spanning optoelectronic, structural, chemical, and morphological analyses—to evaluate coating uniformity and performance across different regions of the films. These insights will be instrumental in advancing scalable perovskite solar cell technology and bridging the gap between research innovations and industrial applications.

• DFG Programme: Research Grants
• International Connection: Colombia
• Partner Organisation: Universidad de Antioquia
• Cooperation Partner: Dr. Juan Felipe Montoya Arango