Absorption properties of one- and two-dimensional semiconductor nanocrystals in the presence of an electric field

N. V. Tepliakov, M. Yu Leonov, A. V. Baranov, A. V. Fedorov, I. D. Rukhlenko

Research output: Contribution to journalArticleResearchpeer-review

Abstract

We have considered the broadening of optical absorption spectra of ensembles of randomly oriented nanorods and nanoplatelets that is caused by the action of a static electric field. It has been found that the linewidth in the spectra of the considered nanocrystals depends nonlinearly on the field strength and attains saturation in fields on the order of 100 kV/cm. We show that, due to a weak confinement, the electrooptical response of nanoplatelets is stronger than that of nanorods, which leads to a number of distinctive features in the field-induced broadening of the spectra of nanoplatelets and gives grounds to state that nanoplatelets are the most promising objects for use in electrooptical devices.

Original languageEnglish
Pages (from-to)101-105
Number of pages5
JournalOptics and Spectroscopy
Volume122
Issue number1
DOIs
Publication statusPublished - 1 Jan 2017

Cite this

Tepliakov, N. V. ; Leonov, M. Yu ; Baranov, A. V. ; Fedorov, A. V. ; Rukhlenko, I. D. / Absorption properties of one- and two-dimensional semiconductor nanocrystals in the presence of an electric field. In: Optics and Spectroscopy. 2017 ; Vol. 122, No. 1. pp. 101-105.
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Absorption properties of one- and two-dimensional semiconductor nanocrystals in the presence of an electric field. / Tepliakov, N. V.; Leonov, M. Yu; Baranov, A. V.; Fedorov, A. V.; Rukhlenko, I. D.

In: Optics and Spectroscopy, Vol. 122, No. 1, 01.01.2017, p. 101-105.

Research output: Contribution to journalArticleResearchpeer-review

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AB - We have considered the broadening of optical absorption spectra of ensembles of randomly oriented nanorods and nanoplatelets that is caused by the action of a static electric field. It has been found that the linewidth in the spectra of the considered nanocrystals depends nonlinearly on the field strength and attains saturation in fields on the order of 100 kV/cm. We show that, due to a weak confinement, the electrooptical response of nanoplatelets is stronger than that of nanorods, which leads to a number of distinctive features in the field-induced broadening of the spectra of nanoplatelets and gives grounds to state that nanoplatelets are the most promising objects for use in electrooptical devices.

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