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ID 114989
Author
Hosokai, Takuya National Institute of Advanced Industrial Science and Technology
Matsuzaki, Hiroyuki National Institute of Advanced Industrial Science and Technology
Furube, Akihiro National Institute of Advanced Industrial Science and Technology|Tokushima University Tokushima University Educator and Researcher Directory KAKEN Search Researchers
Nakamura, Ken National Institute of Advanced Industrial Science and Technology
Content Type
Journal Article
Description
An Nd3+:YAG pulsed laser was employed as a light source for two-photon photoemission from organic semiconducting thin films in low vacuum and air. Photoionization by the two-photon process was confirmed in both the environments by measuring photoemission current. By constructing a pump–probe system, photoemissions from transient species formed by the pump light irradiation were detected by probe light irradiation as a result of a linear increase in the photocurrent with the pump power via a one-photon process. Thus, we propose a novel method called two-photon photoelectron yield spectroscopy to determine the excited-state energy levels in ambient environments.
Journal Title
Applied Physics Express
ISSN
18820786
18820778
NCID
AA12295133
Publisher
The Japan Society of Applied Physics
Volume
10
Issue
2
Start Page
022401
Published Date
2017-01-10
Rights
Original content from this work may be used under the terms of the Creative Commons Attribution 4.0 licence(https://creativecommons.org/licenses/by/4.0/).
Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
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DOI (Published Version)
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language
eng
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departments
Science and Technology