Photophysics in Cs<sub>3</sub>Cu<sub>2</sub>I<sub>5</sub> and CsCu<sub>2</sub>I<sub>3</sub>
Yangshuqin Hui, Shuying Chen, Richeng Lin, Wei Zheng, Feng Huang
Abstract
Cs 3 Cu 2 I 5 and CsCu 2 I 3 with a low-dimensional electronic structure and strong electron–phonon coupling exhibit broad spectrum emission and high PLQY, which may originate from self-trapped exciton or excited-state structure reorganization.
Topics & Concepts
ExcitonExcited stateElectronic structureMaterials scienceCoupling (piping)Atomic physicsPhononCondensed matter physicsCrystallographyPhysicsChemistryMetallurgyPerovskite Materials and ApplicationsAdvanced Condensed Matter PhysicsElectronic and Structural Properties of Oxides