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بیست و نهمین کنفرانس شیمی آلی ایران
Synthesis of inorganic hybrid bromide perovskites with green emission and encapsulation in organometallic frameworks as a stable substrate
نویسندگان :
مهتاب نعیم ( دانشگاه ایلام ) , رضا صحرایی ( دانشگاه ایلام ) , علی نفی پور ( دانشگاه ایلام ) , احسان سهیلی ( دانشگاه ایلام )
کلید واژه ها :
Inorganic hybrid bromide perovskites (HBPs)،Metal-organic frameworks (MOFs)،Green emission
چکیده مقاله :
Inorganic hybrid bromide perovskites (HBPs) are a subset of hybrid halide perovskites with the general formula APbBr (where A is a monovalent organic cation) due to band-gap tunable photoactive materials with high absorption coefficients and small exciton binding energies have received a lot of attention [1]. However, their practical applications face many challenges due to their strong combination effects and poor resistance to heat, moisture, polar solvents, and light [2]. In recent years, the use of MOF-based composites has made significant progress. The reason for this is having regular cavities that can accommodate a range of nano-sized guest molecules. It also minimizes the accumulation of particles and increases the stability of guest molecules [3, 4] .In this work, a new HBPs with green was synthesized by ligand-assisted reprecipitation technique (LARP), then it was embeded in the MOF-5 mesostructure in order to improve the stability. HBPs /MOF-5 composites powder resulting has green emission, higher thermal and environmental stability than HBPs.
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