Bright photoemission from interacting excitons at the interface localized sites in CdS/ZnSe type-II quantum structures

Kazuo Ono, Makoto Nakajima, Tom Suemoto, Takayuki Makino, Keiji Saito, Hirofumi Mino, Ryoichi Akimoto, Shojiro Takeyama

研究成果: Conference contribution

2 被引用数 (Scopus)

抄録

We investigated the bright photoluminescence (PL) of CdS/ZnSe type-II quantum structures in which the lateral potential fluctuation plays an important role on the dynamics of carriers due to their long lifetime. The temperature dependence of PL energy showed the typical "s" -like shape with increasing temperature and Monte Carlo simulation well reproduced the experimental results qualitatively and quantitatively. The exponential distribution of localization energy for excitons was supposed by the simulation. We conclude that the bright PL originates in the recombination of localized interacting excitons gathered at a local potential minimum.

本文言語English
ホスト出版物のタイトルPhysics of Semiconductors - 28th International Conference on the Physics of Semiconductors, ICPS 2006, Part A and B
ページ467-468
ページ数2
DOI
出版ステータスPublished - 2007 12 1
外部発表はい
イベント28th International Conference on the Physics of Semiconductors, ICPS 2006 - Vienna, Austria
継続期間: 2006 7 242006 7 28

出版物シリーズ

名前AIP Conference Proceedings
893
ISSN(印刷版)0094-243X
ISSN(電子版)1551-7616

Other

Other28th International Conference on the Physics of Semiconductors, ICPS 2006
CountryAustria
CityVienna
Period06/7/2406/7/28

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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