Synthesis and characterization of pyrite FeS2 solar cell absorber crystals and modifying their surfaceKristmann, Katriin; Raadik, Taavi; Altosaar, Mare; Mikli, Valdek; Danilson, MatiGraduate School of Functional Materials and Technology (GSFMT) Scientific Conference : abstracts2022 / 29 l. Graduate School of Functional Materials and Technology (GSFMT) Scientific Conference 2022