کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5442954 | 1510773 | 2016 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Optical characterization of ZnSe/CdSe nanocrystals with Ï-conjugated organic ligands
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سرامیک و کامپوزیت
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چکیده انگلیسی
Organic-inorganic hybrid systems having the excitation resonance state are predicted to exhibit unique optical properties owing to a new type of excitons, i.e., hybrid excitons. The formation of the hybrid excitons requires the resonance between the excited states in organic and inorganic parts and the strong interactions with each other. In this study, we synthesized an organic-inorganic hybrid system (ZnSe/CdSe-2-aminoanthracene (AAn)) in order to realize the excitation resonance state. For the ZnSe/CdSe-AAn system in which PL wavelengths of the organic and inorganic parts are almost the same, the PL peak shifts by â¼20Â nm toward longer wavelength and the decay time constant decrease with the addition of AAn. These changes in the hybrid cannot be explained simply in terms of self-absorption or excitation energy transfer. These results strongly suggest that a new excited states or new decay route was formed by the resonance of the excited states.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Optical Materials - Volume 61, November 2016, Pages 77-81
Journal: Optical Materials - Volume 61, November 2016, Pages 77-81
نویسندگان
T. Yahaba, S. Kaida, M. Koshimizu, Y. Fujimoto, K. Asai,