Manipulating the sublattice distortion induced by Mn<sup>2+</sup>doping for boosting the emission characteristics of self-trapped excitons in Cs<sub>4</sub>SnBr<sub>6</sub>
Zhenxu Lin, Anyang Wang, Rui Huang, Haixia Wu, Jie Song, Zewen Lin, Dejian Hou, Zhaofu Zhang, Yuzheng Guo, Sheng Lan
Abstract
Mn 2+ doping is beneficial for boosting the emission of self-trapped excitons in Cs 4 SnBr 6 . The Mn 2+ -doped Cs 4 SnBr 6 exhibits an enhanced photoluminescence quantum yield of up to ∼75%, a broadened emission spectrum, and improved thermal stability.
Topics & Concepts
PhotoluminescenceExcitonDopingBoosting (machine learning)Materials scienceQuantum yieldThermal stabilityOptoelectronicsCondensed matter physicsPhysicsOpticsFluorescenceComputer scienceQuantum mechanicsMachine learningPerovskite Materials and ApplicationsSolid-state spectroscopy and crystallographyAdvanced Condensed Matter Physics