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Berlin 2024 – wissenschaftliches Programm

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 28: Poster III

CPP 28.11: Poster

Mittwoch, 20. März 2024, 11:30–13:30, Poster C

P-type PbS CQDs ink for solar cells fabricated via slot-die coating. — •Faryal Talib1, Huaying Zhong1, and Peter Müller-Buschbaum1,21TUM School of Natural Sciences, Chair for Functional Materials, 85748 Garching, Germany — 2TUM, MLZ, 85748 Garching, Germany

PbS CQDs have demonstrated a greater power conversion efficiency (PCE) of over ~15% as it utilizes the infrared part of the solar spectrum, making them a compelling candidate for solar cell applications. CQD's ink for solar cells using slot-die coating stems from the potential to streamline the fabrication process and enhance the performance of PbS CQD solar cells. Utilizing the ink and slot-die coating can significantly reduce the need for repetitive layer deposition on the substrate, leading to a more scalable and efficient manufacturing process. This approach addresses the issue of material wastage associated with conventional (solid-state ligand exchange) methods. We are focused on electron-blocking layers (EBLs) of P-type PbS with appropriate ligands to optimize the solar cell's efficiency. The selection of suitable EBL materials with high conductivity, transparency, solution processability, and favorable stability presents a challenge for effective utilization in solar cells.

Keywords: quantum dot solar cells; electron blocking layers

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