Effects of Interactions with Cyclic Solvent Molecules on Optical Dephasing of CdSe/ZnS Colloidal Quantum Dots Detected by Femtosecond Four-Wave Mixing Spectroscopy

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概要

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• We have studied the effects of interactions with cyclic solvent molecules on the optical dephasing of CdSe/ZnS colloidal quantum dots (QDs) by femtosecond four-wave mixing spectroscopy. We have found that the interactions with the cyclic solvents without \pi-bonds result in unexpectedly long dephasing times of QDs even at room temperature, while the interactions with the cyclic solvents including \pi-bonds make the optical dephasing of QDs extremely fast with a dephasing time of less than our time resolution.

• 2013-07-25

著者

• Yamazaki Naoya

  Department Of Dermatology National Cancer Center

• MIYAGAWA Hayato

  Department of Advanced Materials Science, Faculty of Engineering, Kagawa University

• KOSHIBA Shun

  Department of Advanced Materials Science, Faculty of Engineering, Kagawa University

• Biju Vasudevanpillai

  Health Technology Research Center National Institute Of Advanced Industrial Science And Technology(a

• NAKANISHI Shunsuke

  Department of Advanced Materials Science, Faculty of Engineering, Kagawa University

• TSURUMACHI Noriaki

  Department of Advanced Materials Science, Faculty of Engineering, Kagawa University

• Hirosawa Yusuke

  Department of Advanced Materials Science, Kagawa University, Takamatsu 761-0396, Japan

• Kouzai Hiroyoshi

  Department of Advanced Materials Science, Kagawa University, Takamatsu 761-0396, Japan

• Ishikawa Mituru

  Health Research Institute, National Institute of Advanced Industrial Science and Technology, Takamatsu 761-0395, Japan

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