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Powder aerosol deposition of lead halide perovskites for optoelectronic applications

Title data

Leupold, Nico ; Nägele, Dominik ; Lukas, Daniel ; Biberger, Simon ; Panzer, Fabian ; Moos, Ralf:
Powder aerosol deposition of lead halide perovskites for optoelectronic applications.
Event: Keramik 2022 : 97. DKG-Jahrestagung , 07.03.-09.03.2022 , online.
(Conference item: Conference , Speech )

Abstract in another language

Lead halide perovskites have gained much attention in recent years due to their remarkable optoelectronic properties. This resulted in highly efficient optoelectronic devices such as solar cells, X-ray detectors, or LEDs. Typically, lead halide perovskites are processed from solution, where after coating of a precursor solution, the perovskite forms in the course of solvent evaporation, simultaneously forming the final film. Thus, perovskite synthesis and film formation are inevitably coupled. Here, we explore an alternative processing approach using typical ceramics technology, where in contrast to solution-based processing the perovskite synthesis and its film formation are decoupled. In a first step, we mechanochemically synthesize perovskite powder with good optoelectronic properties and high stability, which we use in a second step to produce thin films at room temperature using the dry powder aerosol deposition(PAD)method. We demonstrate the successful processing of the perovskite powder into thin and dense layers with low surface roughness as it is necessary for the fabrication of efficient solar cells. We characterize the electrical, structural and optical properties of the PAD-processed films and evaluate the effect of a post-processing thermal treatment on the PAD film properties.

Further data

Item Type: Conference item (Speech)
Refereed: Yes
Institutions of the University: Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Experimental Physics II - Optoelectronics of Soft Matter
Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Functional Materials > Chair Functional Materials - Univ.-Prof. Dr.-Ing. Ralf Moos
Profile Fields > Advanced Fields > Advanced Materials
Research Institutions > Research Centres > Bayreuth Center for Material Science and Engineering - BayMAT
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 29 Mar 2022 08:14
Last Modified: 29 Mar 2022 08:14
URI: https://eref.uni-bayreuth.de/id/eprint/69052