Optical properties of CdSe 2D nanoplatelets rolled into nanoscrolls in electric field

Авторы: Daibagya D.S., Ambrozevich S.A., Zakharchuk I.A., Osadchenko A.V., Vasiliev R.B., Selyukov A.S.
Журнал: International Journal of Modern Physics B
Год издания: 2024
Издательство: World Scientific Publishing Co
Местоположение издательства: Singapore
Первая страница: 2540044-1
Последняя страница: 2540044-10
Номер статьи: 2540044
DOI: 10.1142/s0217979225400442
Аннотация: In this paper, we investigated the luminescence and kinetic properties of 1.1-nm-thick colloidalCdSe nanoplatelets rolled up into scrolls in an external electric field in the range of 0-150 kV/cm. Luminescence spectroscopy revealed that placing CdSe nanoscrolls in an external electric field leads to quenching of the intensity of luminescence bands with an increasing electric field,whereas time-correlated single photon counting measurements demonstrate the acceleration ofthe relaxation processes of electronic excitation. These effects are due to a reduction in theoverlap integral between the electron and hole wavefunctions which is the reason for the emergent field-induced luminescence quenching.
Добавил в систему: Васильев Роман Борисович

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