The pump fluence and wavelength-dependent ultrafast carrier dynamics and optical nonlinear absorption in black phosphorus nanosheets

Pump fluence and probe wavelength-dependent ultrafast carrier dynamics and optical nonlinear absorption in black phosphorus nanosheets are investigated by transient absorption spectroscopy and open-aperture Z scan techniques. The decay time becomes longer with larger wavelengths under pump wavelengt...

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Bibliographic Details
Main Authors: Wu Wenzhi, Zhou Yongjian, Wang Jun, Shao Yabin, Kong Degui, Gao Yachen, Wang Yaguo
Format: Article
Language:English
Published: De Gruyter 2020-04-01
Series:Nanophotonics
Subjects:
Online Access:https://doi.org/10.1515/nanoph-2020-0025