Strain-induced charge delocalization achieves ultralow exciton binding energy toward efficient photocatalysis
Junyuan Duan, Yinghe Zhao, Yulin Wu, Youwen Liu, Junnian Chen, Ruoou Yang, Jiazhao Huang, Chuanqi Luo, Mao Wu, Xiaodong Zheng, Pengyu Li, Xueliang Jiang, Jianguo Guan, Tianyou Zhai
Abstract
A novel approach of strain-induced charge delocalization is developed to significantly reduce the exciton binding energy of Ta 2 O 5 nanorods to below ambient thermal energy, leading to a remarkable enhancement in photocatalytic hydrogen evolution.
Topics & Concepts
PhotocatalysisExcitonDelocalized electronStrain (injury)Charge (physics)Binding energyChemical physicsMaterials scienceNanotechnologyOptoelectronicsChemistryCondensed matter physicsAtomic physicsPhysicsQuantum mechanicsBiologyBiochemistryCatalysisAnatomyOrganic chemistryPerovskite Materials and Applications2D Materials and ApplicationsQuantum Dots Synthesis And Properties