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ID 114989
著者
Hosokai, Takuya National Institute of Advanced Industrial Science and Technology
Matsuzaki, Hiroyuki National Institute of Advanced Industrial Science and Technology
古部, 昭広 National Institute of Advanced Industrial Science and Technology|Tokushima University 徳島大学 教育研究者総覧 KAKEN研究者をさがす
Nakamura, Ken National Institute of Advanced Industrial Science and Technology
資料タイプ
学術雑誌論文
抄録
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.
掲載誌名
Applied Physics Express
ISSN
18820786
18820778
cat書誌ID
AA12295133
出版者
The Japan Society of Applied Physics
10
2
開始ページ
022401
発行日
2017-01-10
権利情報
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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言語
eng
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出版社版
部局
理工学系