Ultraviolet emission from porous silicon photosynthesized in aqueous alkali fluoride solutions

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Ultraviolet emission from porous silicon photosynthesized in aqueous alkali fluoride solutions

フォーマット:

論文

責任表示:

Uchida, Kaoru ; Tomioka, Katsuhiro ; Adachi, Sadao

言語:

英語

出版情報:

American Institute of Physics, 2006-07-01

著者名:

掲載情報:

Journal of Applied Physics

ISSN:

0021-8979

巻:

100

通号:

3

開始ページ:

0314301-1

終了ページ:

0314301-5

バージョン:

VoR

概要:

application/pdf<br />Journal Article<br />Stable ultraviolet (UV) photoluminescence (PL) has been observed at room temperature in porous\nsilicon (PSi) fabricated by photoetching in aqueous alkali fluoride solutions. The aqueous … solutions\nused are 1 M NaF and 1 M KF.They give an alkaline reaction caused by partial hydrolysis. The PL\npeaks at ～3.3 eV have a full width at half maximum of ～0.1 eV, which is much smaller than those\nreported previously (?0.5 eV). Spectral analyses suggest that both quantum confinement and\nsurface passivation effects enable the observation of UV emission in NaF- and KF-prepared PSi\nsamples. 続きを見る

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受理日:	2006-07-01
URL:	http://hdl.handle.net/10087/2938

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