Seven-photon absorption from Na<sup>+</sup>/Bi<sup>3+</sup>-alloyed Cs<sub>2</sub>AgInCl<sub>6</sub>perovskites
Shiling Jin, Renfu Li, Jiwen Zhu, Tao Pang, Tianmin Wu, Hongbing Zhan, Yuanhui Zheng, Feng Huang, Xueyuan Chen, Daqin Chen
Abstract
Up-converted self-trapped exciton luminescence via seven-phonon absorption in the Na/Bi-alloyed Cs 2 AgInCl 6 lead-free double perovskite is reported.
Topics & Concepts
PhotoluminescenceMaterials scienceExcitonAbsorption (acoustics)FemtosecondValence (chemistry)PhotonAtomic physicsAbsorption spectroscopyPhononTwo-photon absorptionDopingLaserMolecular physicsOptoelectronicsCondensed matter physicsOpticsPhysicsComposite materialQuantum mechanicsPerovskite Materials and ApplicationsOptical properties and cooling technologies in crystalline materialsLuminescence Properties of Advanced Materials