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Posttreatment of powder aerosol deposited oxide ceramic films by high power LED

DOI zum Zitieren der Version auf EPub Bayreuth: https://doi.org/10.15495/EPub_UBT_00006569
URN to cite this document: urn:nbn:de:bvb:703-epub-6569-5

Title data

Nazarenus, Tobias ; Schlesier, Kira ; Biberger, Simon ; Exner, Jörg ; Kita, Jaroslaw ; Köhler, Anna ; Moos, Ralf:
Posttreatment of powder aerosol deposited oxide ceramic films by high power LED.
In: International Journal of Applied Ceramic Technology. Vol. 19 (2022) Issue 3 . - pp. 1540-1553.
ISSN 1744-7402
DOI der Verlagsversion: https://doi.org/10.1111/ijac.13977

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Name: Int J Applied Ceramic Tech - 2021 - Nazarenus - Posttreatment of powder aerosol deposited oxide ceramic films by high power.pdf
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Project information

Project title:
Project's official titleProject's id
Aerosolbasierte Kaltabscheidung: Co-Deposition von Funktionsmaterialien und Füllstoffen zur Substitution einer nachfolgenden WärmebehandlungMO-1060/37-1
Controlling crystallization process and understanding of electrical and optical properties and defect chemistry towards stable perovskite solar cellsKO-3973/2-1

Project financing: Deutsche Forschungsgemeinschaft

Abstract

The powder aerosol deposition (PAD) method is becoming increasingly important as an energetically advantageous coating method compared to classic ceramic technologies. However, due to the process-related lattice deformation, ceramic coatings often exhibit reduced functional properties in the as-deposited state. A thermal posttreatment at temperatures well below the sintering temperature can significantly reduce the lattice deformation and the stress within the film to restore the functional film properties close to sintered bulk samples. In this work, the optothermal posttreatment of PAD films using three different high-power light emitting diodes (HP-LED) with different wavelengths within the visible light spectrum is investigated as an alternative to time-consuming furnace or energy-intensive laser processes on the example of thermoelectric CuFe0.98Sn0.02O2 films. We demonstrate that the space-saving LED-based posttreatment not only restores the film properties but also significantly reduces the required processing time to a few seconds.

Further data

Item Type: Article in a journal
Keywords: CuFe0.98Sn0.02O2; efficient annealing; low temperature posttreatment; powder aerosol deposition (PAD) method; rapid processing
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Institutions of the University: Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Experimental Physics II - Optoelectronics of Soft Matter > Chair Experimental Physics II - Optoelectronics of Soft Matter - Univ.-Prof. Dr. Anna Köhler
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
Faculties
Faculties > Faculty of Mathematics, Physics und Computer Science
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Experimental Physics II - Optoelectronics of Soft Matter
Faculties > Faculty of Engineering Science > Chair Functional Materials
Profile Fields
Profile Fields > Advanced Fields
Research Institutions
Research Institutions > Research Centres
Language: English
Originates at UBT: Yes
URN: urn:nbn:de:bvb:703-epub-6569-5
Date Deposited: 01 Aug 2022 07:02
Last Modified: 01 Aug 2022 07:02
URI: https://epub.uni-bayreuth.de/id/eprint/6569

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