Dynamics of electron transfer in melanin-trinitrofluorenone system

A. O. Kostetskyi; Yu. P. Piryatinski; A. B. Verbitsky; P. M. Lutsyk; A. G. Rozhin

doi:10.1080/15421406.2020.1861522

Dynamics of electron transfer in melanin-trinitrofluorenone system

A. O. Kostetskyi^*, Yu. P. Piryatinski, A. B. Verbitsky, P. M. Lutsyk, A. G. Rozhin

^*Corresponding author for this work

Research output: Contribution to journal › Conference article › peer-review

Abstract

The kinetics of photoluminescence (PL) and time-resolved emission spectra (TRES) of melanin solutions with an effective electron acceptor 2,4,7-trinitrofluorenone (TNF) have been studied. Based on the analysis of the kinetic decay curves and TRES, the fast and slow PL decay components can be distinguished, which characterize the processes of a relaxation of excited states and charge transfer in the melanin-TNF molecular system. In this paper, the observed dependences have been analyzed and the model to explain such behavior of PL dynamic characteristics has been proposed.

Original language	English
Pages (from-to)	50-61
Number of pages	12
Journal	Molecular Crystals and Liquid Crystals
Volume	718
Issue number	1
DOIs	https://doi.org/10.1080/15421406.2020.1861522
Publication status	Published - 27 Jul 2021
Event	XII International Conference "Electronic Processes in Organic and Inorganic Materials” (ICEPOM-12) - , Ukraine Duration: 1 Jun 2020 → 5 Jun 2020

Keywords

CT-states
donor-acceptor complexes
melanin
photoluminescence
timeresolved emission spectra
trinitrofluorenone
3D maps
time-resolved emission spectra

Access to Document

10.1080/15421406.2020.1861522

Cite this

@article{e4221199c0d74b178695c863ad76198e,

title = "Dynamics of electron transfer in melanin-trinitrofluorenone system",

abstract = "The kinetics of photoluminescence (PL) and time-resolved emission spectra (TRES) of melanin solutions with an effective electron acceptor 2,4,7-trinitrofluorenone (TNF) have been studied. Based on the analysis of the kinetic decay curves and TRES, the fast and slow PL decay components can be distinguished, which characterize the processes of a relaxation of excited states and charge transfer in the melanin-TNF molecular system. In this paper, the observed dependences have been analyzed and the model to explain such behavior of PL dynamic characteristics has been proposed.",

keywords = "CT-states, donor-acceptor complexes, melanin, photoluminescence, timeresolved emission spectra, trinitrofluorenone, 3D maps, time-resolved emission spectra",

author = "Kostetskyi, {A. O.} and Piryatinski, {Yu. P.} and Verbitsky, {A. B.} and Lutsyk, {P. M.} and Rozhin, {A. G.}",

year = "2021",

month = jul,

day = "27",

doi = "10.1080/15421406.2020.1861522",

language = "English",

volume = "718",

pages = "50--61",

journal = "Molecular Crystals and Liquid Crystals",

issn = "1542-1406",

publisher = "Taylor & Francis",

number = "1",

note = "XII International Conference {"}Electronic Processes in Organic and Inorganic Materials” (ICEPOM-12) ; Conference date: 01-06-2020 Through 05-06-2020",

}

TY - JOUR

T1 - Dynamics of electron transfer in melanin-trinitrofluorenone system

AU - Kostetskyi, A. O.

AU - Piryatinski, Yu. P.

AU - Verbitsky, A. B.

AU - Lutsyk, P. M.

AU - Rozhin, A. G.

PY - 2021/7/27

Y1 - 2021/7/27

N2 - The kinetics of photoluminescence (PL) and time-resolved emission spectra (TRES) of melanin solutions with an effective electron acceptor 2,4,7-trinitrofluorenone (TNF) have been studied. Based on the analysis of the kinetic decay curves and TRES, the fast and slow PL decay components can be distinguished, which characterize the processes of a relaxation of excited states and charge transfer in the melanin-TNF molecular system. In this paper, the observed dependences have been analyzed and the model to explain such behavior of PL dynamic characteristics has been proposed.

AB - The kinetics of photoluminescence (PL) and time-resolved emission spectra (TRES) of melanin solutions with an effective electron acceptor 2,4,7-trinitrofluorenone (TNF) have been studied. Based on the analysis of the kinetic decay curves and TRES, the fast and slow PL decay components can be distinguished, which characterize the processes of a relaxation of excited states and charge transfer in the melanin-TNF molecular system. In this paper, the observed dependences have been analyzed and the model to explain such behavior of PL dynamic characteristics has been proposed.

KW - CT-states

KW - donor-acceptor complexes

KW - melanin

KW - photoluminescence

KW - timeresolved emission spectra

KW - trinitrofluorenone

KW - 3D maps

KW - time-resolved emission spectra

UR - https://www.tandfonline.com/doi/full/10.1080/15421406.2020.1861522

UR - http://www.scopus.com/inward/record.url?scp=85111633606&partnerID=8YFLogxK

U2 - 10.1080/15421406.2020.1861522

DO - 10.1080/15421406.2020.1861522

M3 - Conference article

SN - 1542-1406

VL - 718

SP - 50

EP - 61

JO - Molecular Crystals and Liquid Crystals

JF - Molecular Crystals and Liquid Crystals

IS - 1

T2 - XII International Conference "Electronic Processes in Organic and Inorganic Materials” (ICEPOM-12)

Y2 - 1 June 2020 through 5 June 2020

ER -

Dynamics of electron transfer in melanin-trinitrofluorenone system

Abstract

Keywords

Access to Document

Other files and links

Fingerprint

Cite this