Comparing between steady-state excitonic transitions and ultrafast polaronic photoexcitations in layered perovskites: the role of electron–phonon interaction

Comparing between steady-state excitonic transitions and ultrafast polaronic photoexcitations in layered perovskites: the role of electron–phonon interaction

We have studied four 2D layered perovskites, including OA2PbI4 (RP phase), ODAPbI4 and BDAPbI4 (DJ phase), (GA)MAPbI4 (ACI phase), where OA is [(CmH2m+1)NH3](m = 8), ODA is [NH3(CH2)mNH3](m = 8), BDA is [NH3(CH2)mNH3](m = 4), and GA is [C(NH2)3]; RP, DJ, and ACI means Ruddlesden–Popper, Dion–Jacobso...

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Bibliographic Details
Main Authors: Yan Pingyuan, Li Tao, Zhou Haoxiang, Hu Shu, Xiang Chenhong, Zhang Yang, Wang Chengqiang, Wu Zihan, Li Heng, Zhao Haibin, Sheng ChuanXiang
Format: Article
Language:English
Published: De Gruyter 2023-04-01
Series:Nanophotonics
Subjects:
2d perovskite
electron-phonon interaction
excitonic transitions
optical properties
polarons
Online Access:https://doi.org/10.1515/nanoph-2023-0015

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