Direct formation of interlayer exciton in two-dimensional van der Waals heterostructures
Xianghong Niu, Shanshan Xiao, Dazhong Sun, Anqi Shi, Zhaobo Zhou, Wei Chen, Xing’ao Li, Jinlan Wang
Abstract
We expand the concept of interlayer exciton formation and reveal that bright interlayer excitons can be formed by the direct interlayer photoexcitation in 2D vdW heterostructures with strong interlayer coupling and a short photoexcitation channel.
Topics & Concepts
ExcitonPhotoexcitationHeterojunctionvan der Waals forceMaterials scienceSemiconductorCondensed matter physicsIndiumZinc selenideChemical physicsExcited stateOptoelectronicsChemistryAtomic physicsPhysicsMoleculeOrganic chemistry2D Materials and ApplicationsGraphene research and applicationsMXene and MAX Phase Materials