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


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Abstract

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.

About the authors

F. E. Gostev

Semenov Institute of Chemical Physics, Russian Academy of Sciences

Email: nadtochenko@gmail.com
Russian Federation, Moscow, 119991

I. V. Shelaev

Semenov Institute of Chemical Physics, Russian Academy of Sciences

Email: nadtochenko@gmail.com
Russian Federation, Moscow, 119991

A. V. Aibush

Semenov Institute of Chemical Physics, Russian Academy of Sciences

Email: nadtochenko@gmail.com
Russian Federation, Moscow, 119991

A. N. Kostrov

Semenov Institute of Chemical Physics, Russian Academy of Sciences

Email: nadtochenko@gmail.com
Russian Federation, Moscow, 119991

A. A. Titov

Semenov Institute of Chemical Physics, Russian Academy of Sciences

Email: nadtochenko@gmail.com
Russian Federation, Moscow, 119991

S. Yu. Kochev

Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences

Email: nadtochenko@gmail.com
Russian Federation, Moscow, 119991

Yu. A. Kabachii

Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences

Email: nadtochenko@gmail.com
Russian Federation, Moscow, 119991

N. N. Denisov

Institute of Problems of Chemical Physics, Russian Academy of Sciences

Email: nadtochenko@gmail.com
Russian Federation, Chernogolovka, Moscow oblast, 142432

V. A. Nadtochenko

Semenov Institute of Chemical Physics, Russian Academy of Sciences; Institute of Problems of Chemical Physics, Russian Academy of Sciences; Faculty of Chemistry, Moscow State University

Author for correspondence.
Email: nadtochenko@gmail.com
Russian Federation, Moscow, 119991; Chernogolovka, Moscow oblast, 142432; Moscow, 119991

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