Coherent Acoustic Phonon Activation by Fast Electron Transfer in the Exciton Redox-Quenching Reaction with Methyl Viologen in Cadmium Selenide

F. E. Gostev; I. V. Shelaev; A. V. Aibush; A. N. Kostrov; A. A. Titov; S. Yu. Kochev; Yu. A. Kabachii; N. N. Denisov; V. A. Nadtochenko

doi:10.1134/S001814391806005X

Coherent Acoustic Phonon Activation by Fast Electron Transfer in the Exciton Redox-Quenching Reaction with Methyl Viologen in Cadmium Selenide

作者: Gostev F.E.¹, Shelaev I.V.¹, Aibush A.V.¹, Kostrov A.N.¹, Titov A.A.¹, Kochev S.Y.², Kabachii Y.A.², Denisov N.N.³, Nadtochenko V.A.¹^,3^,4
隶属关系:
1. Semenov Institute of Chemical Physics, Russian Academy of Sciences
2. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences
3. Institute of Problems of Chemical Physics, Russian Academy of Sciences
4. Faculty of Chemistry, Moscow State University
期: 卷 52, 编号 6 (2018)
页面: 508-509
栏目: Short Communications Photonics
URL: https://journals.rcsi.science/0018-1439/article/view/157549
DOI: https://doi.org/10.1134/S001814391806005X
ID: 157549

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Fast exciton quenching by methyl viologen (MV²⁺), an electron acceptor, on the CdSe quantum dot surface impulsively induces acoustic vibration via the mechanism of inverse piezoelectric effect, thereby causing an increase in the amplitude of the coherent acoustic phonon in the CdSe/MV²⁺ system compared to pure CdSe.