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Information × Registration Number 0219U102279, 0115U005037 , R & D reports Title The investigation of nanostructures based on multi component semiconductor chalcogenides of metals as materials for new generation of photovoltaic systems and fluorescent biomarkers. popup.stage_title Head Valakh Mykhailo Ya., Доктор фізико-математичних наук Registration Date 26-12-2019 Organization V. Lashkaryov Institute of semiconductor physics popup.description2  Object of Study - Bulk and nanoscale crystals of semiconductor compounds of Quaternary metal chalcogenides. The subject of the study is the manifestation of the dynamic properties of the lattice and the structural features of the studied samples in Raman and photoluminescent spectra of quaternary metal chalcogenides of different chemical and component composition, structure type and perfection. General Purpose - To establish, on the basis of a complex experimental and theoretical study of the physical properties of quaternary semiconductor compounds of metal chalcogenides, in the form of bulk and nanoscale crystals, the features of phonon spectra and their restructuring depending on the change of the component composition of the studied charge, where they exist, nanocrystal sizes, film deposition conditions, and post-synthesis treatment. Research Methods - Raman spectroscopy was used as the main research method. In addition, all the results obtained by Raman light scattering were confirmed and supplemented by photoluminescence studies, X-ray photo spectroscopy (XPS), X-ray diffractometry (XRD) and TEM. The DFT method of calculating phonons was used as the theoretical basis. Keywords: phonon spectra, Raman light scattering, Quaternary metal chalcogenides, CZTS, nanocrystals. Product Description popup.authors Babichuk Ivan S. Vorona Ihor P. Havryliuk Yevhenii O. Hreshchuk Oleksandr M. Dzhagan Volodymyr M. Mazur Nazar V. Romanyuk Yuriy A. Chorna Larysa B. Yukhymchuk Volodymyr O. Yaremko Anatoliy M. popup.nrat_date 2020-04-02 Close