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  3. Project I – Growth of Single Crystal Transition Metal Perovskite Chalcogenides

Project I – Growth of Single Crystal Transition Metal Perovskite Chalcogenides

Bereichsnavigation: Projects
  • Project A – Electronic Circuits for Piezoelectric Energy Harvesting and Sensor Array Systems
  • Project B – Excitation-Conforming, Shape-Adaptive Mechano-Electrical Energy Conversion
  • Project C – Macroscale Continuum Modeling and FE Simulation of Electromechanical Coupling in Perovskite-Based Materials
  • Project D – Additive Manufacturing of Cellular Lead-Free Ceramics
  • Project E – Lead-Free Perovskite Semiconductors with Tunable Bandgap for Energy Conversion
  • Project F – Room Temperature Aerosol Deposition of Lead-Free Ferroelectric Films for Energy Conversion Systems
  • Project G – Formulation and Crystallization of Perovskite Bearing Glass-Ceramics for Light Management
  • Project H – Stress Modulated Electromechanical Coupling of Lead-Free Ferroelectrics
  • Project I – Growth of Single Crystal Transition Metal Perovskite Chalcogenides
  • Project J – Solution Processed Ferroelectrics in Photovoltaic Devices
  • Project K – Multi-Scale Modeling of Electromechanical Coupling in Perovskite-Based Ferroelectric Materials and Composites
  • Project L – Modeling of Defect and Surface Chemistry of Perovskites

Project I – Growth of Single Crystal Transition Metal Perovskite Chalcogenides

 

In recent years semiconducting organic-inorganic lead halide perovskite materials have gained much interest due to their outstanding optoelectronic properties for use in solar cells and lighting applications. A major drawback of these materials is related to their toxicity and chemical instability. Recently, purely inorganic transition metal perovskite chalcogenides (TMPC) have been synthesized that exhibit promising optoelectronic properties as well and may even allow opto- electrochemical application like water splitting. Compared to their perovskite oxide counterparts of type ABO3 (A = alkali, alkaline, or rare earth metal, B = transition metal) with a large electronic bandgap (EG > 3eV), many perovskite chalcogenides exhibit an electronic bandgap in visible light spectrum that is related to the replacement of O by S or Se in the crystal lattice and which may enable a broad spectrum of applications.

This project aims to grow single crystals of SrZrS3, BaZrS3, and related transition metal perovskite chalcogenides. This includes: (i) the investigation of the thermodynamic properties related to the phase diagram of the materials as well as chemical reaction kinetics (including the intermediate phases) that is present during materials synthesis; (ii) the application of this knowledge to determine / elaborate the processing routes that include hetero-epitaxial layers on pre-structured semiconductor wafers; and (iii) the investigation of the fundamental physical properties as well as the typical materials defects of the newly formed materials.

 

Principal Investigators

Prof. Dr. Peter Wellmann
Institute of Materials for Electronics and Energy Technology
Department of Materials Science and Engineering
Friedrich-Alexander-Universität Erlangen-Nürnberg
peter.wellmann@fau.de

Asst. Prof. Dr. Reina Miyagawa
Physical Science and Engineering Department
Nagoya Institute of Technology, Japan
miyagawa.reina@nitech.ac.jp

Prof. Dr. Koichi Hayashi
Physical Science and Engineering Department
Frontier Research Institute for Materials Science
Nagoya Institute of Technology, Japan
hayashi.koichi@nitech.ac.jp

 

Doctoral Researchers

M.Sc. Tim Freund
Institute of Materials for Electronics and Energy Technology
Department of Materials Science and Engineering
Friedrich-Alexander-Universität Erlangen-Nürnberg
tim.freund@fau.de
M.Sc. Rho Kongshik
Electrical and Mechanical Engineering Department
Frontier Research Institute for Materials Science
Nagoya Institute of Technology, Japan
k.rho.991@stn.nitech.ac.jp

 

Associated Researchers
Dr. Kimura Koji (NITech)

 

Publications

Energy Conversion Systems: From Materials to Devices (IGK 2495)
Institute of Glass and Ceramics (FAU)

Martensstr. 5
91058 Erlangen
Germany
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