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Temperature behavior of the optical spectra of InP/ZnS nanocrystals stabilized by a polyvinylpyrrolidone-based coating. / Weinstein, I. A.; Savchenko, S. S.
In: Russian Chemical Bulletin, Vol. 72, No. 2, 01.02.2023, p. 534-545.

Research output: Contribution to journal › Article › peer-review

Harvard

Weinstein, IA & Savchenko, SS 2023, 'Temperature behavior of the optical spectra of InP/ZnS nanocrystals stabilized by a polyvinylpyrrolidone-based coating', Russian Chemical Bulletin, vol. 72, no. 2, pp. 534-545. https://doi.org/10.1007/s11172-023-3817-8

APA

Weinstein, I. A., & Savchenko, S. S. (2023). Temperature behavior of the optical spectra of InP/ZnS nanocrystals stabilized by a polyvinylpyrrolidone-based coating. Russian Chemical Bulletin, 72(2), 534-545. https://doi.org/10.1007/s11172-023-3817-8

Vancouver

Weinstein IA, Savchenko SS. Temperature behavior of the optical spectra of InP/ZnS nanocrystals stabilized by a polyvinylpyrrolidone-based coating. Russian Chemical Bulletin. 2023 Feb 1;72(2):534-545. doi: 10.1007/s11172-023-3817-8

Author

Weinstein, I. A. ; Savchenko, S. S. / Temperature behavior of the optical spectra of InP/ZnS nanocrystals stabilized by a polyvinylpyrrolidone-based coating. In: Russian Chemical Bulletin. 2023 ; Vol. 72, No. 2. pp. 534-545.

BibTeX

@article{654993a2d723479eadd22cf58afd97ec,
title = "Temperature behavior of the optical spectra of InP/ZnS nanocrystals stabilized by a polyvinylpyrrolidone-based coating",
abstract = "The results of studies on the optical properties of colloidal InP/ZnS nanocrystals stabilized by a heterobifunctional polymer based on polyvinylpyrrolidone are presented. The optical absorption and photoluminescence spectra of (i) solutions containing different concentrations of nanocrystals and (ii) film samples, as well as the temperature dependences of these spectra in the range of 6.5–296 K are analyzed. An inhomogeneous broadening of the exciton optical bands was observed, which is associated with a broad size distribution of nanocrystals. It was established that the temperature-induced shift of the exciton absorption and emission maxima is mainly due to the interaction with acoustic phonons. It was shown that quenching of defect-related luminescence involves the local energy levels of the dangling bonds of phosphorus atoms at the core—shell interface, while the temperature stability of exciton emission is governed by the thickness of the ZnS shell.",
author = "Weinstein, {I. A.} and Savchenko, {S. S.}",
note = "This work was financially supported by the Ministry of Science and Higher Education of the Russian Federation (Project FEUZ-2023-0014).",
year = "2023",
month = feb,
day = "1",
doi = "10.1007/s11172-023-3817-8",
language = "English",
volume = "72",
pages = "534--545",
journal = "Russian Chemical Bulletin",
issn = "1066-5285",
publisher = "Springer",
number = "2",

}

RIS

TY - JOUR

T1 - Temperature behavior of the optical spectra of InP/ZnS nanocrystals stabilized by a polyvinylpyrrolidone-based coating

AU - Weinstein, I. A.

AU - Savchenko, S. S.

N1 - This work was financially supported by the Ministry of Science and Higher Education of the Russian Federation (Project FEUZ-2023-0014).

PY - 2023/2/1

Y1 - 2023/2/1

N2 - The results of studies on the optical properties of colloidal InP/ZnS nanocrystals stabilized by a heterobifunctional polymer based on polyvinylpyrrolidone are presented. The optical absorption and photoluminescence spectra of (i) solutions containing different concentrations of nanocrystals and (ii) film samples, as well as the temperature dependences of these spectra in the range of 6.5–296 K are analyzed. An inhomogeneous broadening of the exciton optical bands was observed, which is associated with a broad size distribution of nanocrystals. It was established that the temperature-induced shift of the exciton absorption and emission maxima is mainly due to the interaction with acoustic phonons. It was shown that quenching of defect-related luminescence involves the local energy levels of the dangling bonds of phosphorus atoms at the core—shell interface, while the temperature stability of exciton emission is governed by the thickness of the ZnS shell.

AB - The results of studies on the optical properties of colloidal InP/ZnS nanocrystals stabilized by a heterobifunctional polymer based on polyvinylpyrrolidone are presented. The optical absorption and photoluminescence spectra of (i) solutions containing different concentrations of nanocrystals and (ii) film samples, as well as the temperature dependences of these spectra in the range of 6.5–296 K are analyzed. An inhomogeneous broadening of the exciton optical bands was observed, which is associated with a broad size distribution of nanocrystals. It was established that the temperature-induced shift of the exciton absorption and emission maxima is mainly due to the interaction with acoustic phonons. It was shown that quenching of defect-related luminescence involves the local energy levels of the dangling bonds of phosphorus atoms at the core—shell interface, while the temperature stability of exciton emission is governed by the thickness of the ZnS shell.

UR - http://www.scopus.com/inward/record.url?partnerID=8YFLogxK&scp=85153284354

UR - https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=tsmetrics&SrcApp=tsm_test&DestApp=WOS_CPL&DestLinkType=FullRecord&KeyUT=000989930300017

U2 - 10.1007/s11172-023-3817-8

DO - 10.1007/s11172-023-3817-8

M3 - Article

VL - 72

SP - 534

EP - 545

JO - Russian Chemical Bulletin

JF - Russian Chemical Bulletin

SN - 1066-5285

IS - 2

ER -

ID: 38497116