Temperature-dependent excitonic emission characteristics of lead-free inorganic double perovskites and their third-order optical nonlinearities
Avanendra Singh, Pritam Dey, Anupa Kumari, Mrinal K. Sikdar, Pratap K. Sahoo, Ritwick Das, Tanmoy Maiti
Abstract
We report temperature-dependent photoluminescence (PL) in the temperature range between 77 K and 300 K, and room temperature nonlinear optical (NLO) properties of solution processed lead-free Cs 2 NaBiI 6 (CNBI) and Cs 2 KBiI 6 (CKBI) perovskite films.
Topics & Concepts
PhotoluminescenceExcitonPerovskite (structure)Materials scienceAbsorption (acoustics)Refractive indexAtmospheric temperature rangeOptoelectronicsEmission spectrumOpticsAnalytical Chemistry (journal)Spectral lineChemistryCondensed matter physicsPhysicsCrystallographyChromatographyAstronomyMeteorologyComposite materialPerovskite Materials and ApplicationsSolid-state spectroscopy and crystallographySolid State Laser Technologies