DGIST analysis staff advances eco-friendly photo voltaic cell effectivity utilizing fast temperature management
by Riko Seibo
Tokyo, Japan (SPX) Oct 28, 2025
Analysis led by Dae-Hwan Kim and Kee-Jeong Yang at DGIST, in collaboration with Junho Kim from Incheon Nationwide College, has developed a way to enhance the effectivity of antimony selenide (Sb2Se3) photo voltaic cells. The strategy entails elevating the heating fee throughout materials thermal processing, which produces extra uniformly aligned crystals and fosters environment friendly cost transport.
Antimony selenide consists of antimony and selenium, making it an environmentally protected selection for photo voltaic cell manufacturing. Conventional units utilizing this materials face effectivity limitations resulting from defects and uneven crystal orientation, which prohibit electron and gap motion.
The staff found that quicker thermal processing helps orderly crystal development and reduces defects. Analytical strategies, comparable to scanning electron microscopy (SEM), X-ray diffraction (XRD), ultraviolet photoelectron spectroscopy (UPS), admittance spectroscopy, and STEM-EDS, confirmed that gradual temperature will increase end in faulty, randomly oriented crystals. In distinction, fast heating produces uniformly grown crystals, permitting smoother electron stream.
Kee-Jeong Yang introduced, “This research offers a clue to addressing one of many key limitations of antimony selenide photo voltaic cells, particularly, the problems of crystal orientation and structural defects. By merely controlling the crystal development fee on the early stage of the fabrication course of, we will maximize the fabric’s potential. That is anticipated to drastically contribute to future commercialization and the event of large-area modules.”
The analysis was carried out with Jaebaek Lee and Bashiru Kadiri-English as co-first authors. The work acquired help from a number of Korean authorities applications and was revealed within the Journal of Supplies Chemistry A, with choice because the Inside Entrance Cowl.
Analysis Report:Effect of crystal growth rate on crystal direction, defect formation, and photovoltaic performance of Sb2Se3 thin-film solar cells
Associated Hyperlinks
DGIST (Daegu Gyeongbuk Institute of Science and Technology)
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