Konstantinos Karaslanidis is an undergraduate student at the Department of Materials Science and Engineering of the University of Ioannina. From December 2024 to May 2025, he conducted his diploma thesis titled “Direct Synthesis of Ternary Sulfide Nanocrystals for the Fabrication of Light-Emitting Diodes and Photovoltaic Cells” at the Laboratory of Photovoltaic and Optoelectronic Materials and Devices of the National Center for Scientific Research “Demokritos,” under the supervision of Th. Stergiopoulos’s team.