Standard

Excitation-Wavelength-Dependent Emission and Delayed Fluorescence in a Proton-Transfer System. / Berezin, Alexey S.; Vinogradova, Katerina A.; Krivopalov, Viktor P. et al.

In: Chemistry - A European Journal, Vol. 24, No. 49, 03.09.2018, p. 12790-12795.

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

Harvard

Berezin, AS, Vinogradova, KA, Krivopalov, VP, Nikolaenkova, EB, Plyusnin, VF, Kupryakov, AS, Pervukhina, NV, Naumov, DY & Bushuev, MB 2018, 'Excitation-Wavelength-Dependent Emission and Delayed Fluorescence in a Proton-Transfer System', Chemistry - A European Journal, vol. 24, no. 49, pp. 12790-12795. https://doi.org/10.1002/chem.201802876

APA

Berezin, A. S., Vinogradova, K. A., Krivopalov, V. P., Nikolaenkova, E. B., Plyusnin, V. F., Kupryakov, A. S., Pervukhina, N. V., Naumov, D. Y., & Bushuev, M. B. (2018). Excitation-Wavelength-Dependent Emission and Delayed Fluorescence in a Proton-Transfer System. Chemistry - A European Journal, 24(49), 12790-12795. https://doi.org/10.1002/chem.201802876

Vancouver

Berezin AS, Vinogradova KA, Krivopalov VP, Nikolaenkova EB, Plyusnin VF, Kupryakov AS et al. Excitation-Wavelength-Dependent Emission and Delayed Fluorescence in a Proton-Transfer System. Chemistry - A European Journal. 2018 Sept 3;24(49):12790-12795. doi: 10.1002/chem.201802876

Author

Berezin, Alexey S. ; Vinogradova, Katerina A. ; Krivopalov, Viktor P. et al. / Excitation-Wavelength-Dependent Emission and Delayed Fluorescence in a Proton-Transfer System. In: Chemistry - A European Journal. 2018 ; Vol. 24, No. 49. pp. 12790-12795.

BibTeX

@article{ee84d92166254df5b049109accdb0bcb,
title = "Excitation-Wavelength-Dependent Emission and Delayed Fluorescence in a Proton-Transfer System",
abstract = "Manipulating the relaxation pathways of excited states and understanding mechanisms of photochemical reactions present important challenges in chemistry. Here we report a unique zinc(II) complex exhibiting unprecedented interplay between the excitation-wavelength-dependent emission, thermally activated delayed fluorescence (TADF) and excited state intramolecular proton transfer (ESIPT). The ESIPT process in the complex is favoured by a short intramolecular OH⋅⋅⋅N hydrogen bond. Synergy between the excitation-wavelength-dependent emission and ESIPT arises due to heavy zinc atom favouring intersystem crossing (isc). Reverse intersystem crossing (risc) and TADF are favoured by a narrow singlet–triplet gap, ΔEST≈10 kJ mol−1. These results provide the first insight into how a proton-transfer system can be modified to show a synergy between the excitation-wavelength-dependent emission, ESIPT and TADF. This strategy offers new perspectives for designing ESIPT and TADF emitters exhibiting tunable excitation-wavelength-dependent luminescence.",
keywords = "delayed fluorescence, fluorescence, kinetics, photochemistry, proton transfer, TADF EMITTERS, LUMINESCENCE, TRANSFER ESIPT, BEHAVIOR, METAL-ORGANIC FRAMEWORK, EFFICIENCY, PROBE",
author = "Berezin, {Alexey S.} and Vinogradova, {Katerina A.} and Krivopalov, {Viktor P.} and Nikolaenkova, {Elena B.} and Plyusnin, {Victor F.} and Kupryakov, {Arkady S.} and Pervukhina, {Natalia V.} and Naumov, {Dmitrii Y.} and Bushuev, {Mark B.}",
note = "{\textcopyright} 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.",
year = "2018",
month = sep,
day = "3",
doi = "10.1002/chem.201802876",
language = "English",
volume = "24",
pages = "12790--12795",
journal = "Chemistry - A European Journal",
issn = "0947-6539",
publisher = "Wiley-VCH Verlag",
number = "49",

}

RIS

TY - JOUR

T1 - Excitation-Wavelength-Dependent Emission and Delayed Fluorescence in a Proton-Transfer System

AU - Berezin, Alexey S.

AU - Vinogradova, Katerina A.

AU - Krivopalov, Viktor P.

AU - Nikolaenkova, Elena B.

AU - Plyusnin, Victor F.

AU - Kupryakov, Arkady S.

AU - Pervukhina, Natalia V.

AU - Naumov, Dmitrii Y.

AU - Bushuev, Mark B.

N1 - © 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.

PY - 2018/9/3

Y1 - 2018/9/3

N2 - Manipulating the relaxation pathways of excited states and understanding mechanisms of photochemical reactions present important challenges in chemistry. Here we report a unique zinc(II) complex exhibiting unprecedented interplay between the excitation-wavelength-dependent emission, thermally activated delayed fluorescence (TADF) and excited state intramolecular proton transfer (ESIPT). The ESIPT process in the complex is favoured by a short intramolecular OH⋅⋅⋅N hydrogen bond. Synergy between the excitation-wavelength-dependent emission and ESIPT arises due to heavy zinc atom favouring intersystem crossing (isc). Reverse intersystem crossing (risc) and TADF are favoured by a narrow singlet–triplet gap, ΔEST≈10 kJ mol−1. These results provide the first insight into how a proton-transfer system can be modified to show a synergy between the excitation-wavelength-dependent emission, ESIPT and TADF. This strategy offers new perspectives for designing ESIPT and TADF emitters exhibiting tunable excitation-wavelength-dependent luminescence.

AB - Manipulating the relaxation pathways of excited states and understanding mechanisms of photochemical reactions present important challenges in chemistry. Here we report a unique zinc(II) complex exhibiting unprecedented interplay between the excitation-wavelength-dependent emission, thermally activated delayed fluorescence (TADF) and excited state intramolecular proton transfer (ESIPT). The ESIPT process in the complex is favoured by a short intramolecular OH⋅⋅⋅N hydrogen bond. Synergy between the excitation-wavelength-dependent emission and ESIPT arises due to heavy zinc atom favouring intersystem crossing (isc). Reverse intersystem crossing (risc) and TADF are favoured by a narrow singlet–triplet gap, ΔEST≈10 kJ mol−1. These results provide the first insight into how a proton-transfer system can be modified to show a synergy between the excitation-wavelength-dependent emission, ESIPT and TADF. This strategy offers new perspectives for designing ESIPT and TADF emitters exhibiting tunable excitation-wavelength-dependent luminescence.

KW - delayed fluorescence

KW - fluorescence

KW - kinetics

KW - photochemistry

KW - proton transfer

KW - TADF EMITTERS

KW - LUMINESCENCE

KW - TRANSFER ESIPT

KW - BEHAVIOR

KW - METAL-ORGANIC FRAMEWORK

KW - EFFICIENCY

KW - PROBE

UR - http://www.scopus.com/inward/record.url?scp=85052392092&partnerID=8YFLogxK

U2 - 10.1002/chem.201802876

DO - 10.1002/chem.201802876

M3 - Article

C2 - 29939444

AN - SCOPUS:85052392092

VL - 24

SP - 12790

EP - 12795

JO - Chemistry - A European Journal

JF - Chemistry - A European Journal

SN - 0947-6539

IS - 49

ER -

ID: 16232777