Combining two-photon photoemission and transient absorption spectroscopy to resolve hot carrier cooling in 2D perovskite single crystals: the effect of surface layer
Weihua Lin, Mingli Liang, Yuran Niu, Zhe‐Sheng Chen, Marie Cherasse, Jie Meng, Xianshao Zou, Qian Zhao, Huifang Geng, E. Papalazarou, M. Marsi, L. Perfetti, Sophie E. Canton, Kaibo Zheng, Tõnu Pullerits
Abstract
We investigate HC cooling in two-dimensional perovskite single-crystals by applying two complementary ultrafast techniques and observe spatial sensitivity of cooling.
Topics & Concepts
Materials sciencePerovskite (structure)Absorption (acoustics)Layer (electronics)Ultrafast laser spectroscopyTransient (computer programming)Photoemission spectroscopySpectroscopyInverse photoemission spectroscopyPhotonAngle-resolved photoemission spectroscopyAtomic physicsX-ray photoelectron spectroscopyAnalytical Chemistry (journal)Condensed matter physicsOpticsNuclear magnetic resonanceCrystallographyElectronic structureNanotechnologyPhysicsChemistryComposite materialComputer scienceQuantum mechanicsOperating systemChromatographyPerovskite Materials and ApplicationsOptical properties and cooling technologies in crystalline materialsThermal Expansion and Ionic Conductivity