Revealing the internal heavy chalcogen atom effect on the photophysics of the dibenzo[a,j]phenazine-cored donor–acceptor–donor triad

Shimpei Goto; Yuya Nitta; Nicolas Oliveira Decarli; Leonardo Evaristo de Sousa; Patrycja Stachelek; Norimitsu Tohnai; Satoshi Minakata; Piotr de Silva; Przemyslaw Data; Youhei Takeda

doi:10.1039/D1TC02635F

Revealing the internal heavy chalcogen atom effect on the photophysics of the dibenzo[a,j]phenazine-cored donor–acceptor–donor triad

Shimpei Goto, Yuya Nitta, Nicolas Oliveira Decarli, Leonardo Evaristo de Sousa, Patrycja Stachelek, Norimitsu Tohnai, Satoshi Minakata, Piotr de Silva^*, Przemyslaw Data^*, Youhei Takeda^*

^*Corresponding author for this work

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Abstract

A new twisted donor–acceptor–donor (D–A–D) multi-photofunctional organic molecule comprising phenoselenazine as the electron donor (Ds) and dibenzo[a,j]phenazine (DBPHZ) as the electron acceptor (A) has been developed. The developed selenium-incorporated D–A–D compound features multi-color polymorphism, distinct mechanochromic luminescence, chemically-stimulated luminochromism, thermally-activated delayed fluorescence, and room-temperature phosphorescence. The internal heavy atom effect on the photophysical properties of the D–A–D system has been investigated through a comparison with the physicochemical properties of a previously developed sulfur analogue and a tellurium analogue.

Original language	English
Journal	Journal of Materials Chemistry C
Volume	9
Issue number	39
Pages (from-to)	13942-13953
Number of pages	12
ISSN	2050-7526
DOIs	https://doi.org/10.1039/D1TC02635F
Publication status	Published - 2021

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title = "Revealing the internal heavy chalcogen atom effect on the photophysics of the dibenzo[a,j]phenazine-cored donor–acceptor–donor triad",

abstract = "A new twisted donor–acceptor–donor (D–A–D) multi-photofunctional organic molecule comprising phenoselenazine as the electron donor (Ds) and dibenzo[a,j]phenazine (DBPHZ) as the electron acceptor (A) has been developed. The developed selenium-incorporated D–A–D compound features multi-color polymorphism, distinct mechanochromic luminescence, chemically-stimulated luminochromism, thermally-activated delayed fluorescence, and room-temperature phosphorescence. The internal heavy atom effect on the photophysical properties of the D–A–D system has been investigated through a comparison with the physicochemical properties of a previously developed sulfur analogue and a tellurium analogue.",

author = "Shimpei Goto and Yuya Nitta and Decarli, {Nicolas Oliveira} and {de Sousa}, {Leonardo Evaristo} and Patrycja Stachelek and Norimitsu Tohnai and Satoshi Minakata and {de Silva}, Piotr and Przemyslaw Data and Youhei Takeda",

year = "2021",

doi = "10.1039/D1TC02635F",

language = "English",

volume = "9",

pages = "13942--13953",

journal = "Journal of Materials Chemistry C",

issn = "2050-7526",

publisher = "R S C Publications",

number = "39",

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TY - JOUR

T1 - Revealing the internal heavy chalcogen atom effect on the photophysics of the dibenzo[a,j]phenazine-cored donor–acceptor–donor triad

AU - Goto, Shimpei

AU - Nitta, Yuya

AU - Decarli, Nicolas Oliveira

AU - de Sousa, Leonardo Evaristo

AU - Stachelek, Patrycja

AU - Tohnai, Norimitsu

AU - Minakata, Satoshi

AU - de Silva, Piotr

AU - Data, Przemyslaw

AU - Takeda, Youhei

PY - 2021

Y1 - 2021

N2 - A new twisted donor–acceptor–donor (D–A–D) multi-photofunctional organic molecule comprising phenoselenazine as the electron donor (Ds) and dibenzo[a,j]phenazine (DBPHZ) as the electron acceptor (A) has been developed. The developed selenium-incorporated D–A–D compound features multi-color polymorphism, distinct mechanochromic luminescence, chemically-stimulated luminochromism, thermally-activated delayed fluorescence, and room-temperature phosphorescence. The internal heavy atom effect on the photophysical properties of the D–A–D system has been investigated through a comparison with the physicochemical properties of a previously developed sulfur analogue and a tellurium analogue.

AB - A new twisted donor–acceptor–donor (D–A–D) multi-photofunctional organic molecule comprising phenoselenazine as the electron donor (Ds) and dibenzo[a,j]phenazine (DBPHZ) as the electron acceptor (A) has been developed. The developed selenium-incorporated D–A–D compound features multi-color polymorphism, distinct mechanochromic luminescence, chemically-stimulated luminochromism, thermally-activated delayed fluorescence, and room-temperature phosphorescence. The internal heavy atom effect on the photophysical properties of the D–A–D system has been investigated through a comparison with the physicochemical properties of a previously developed sulfur analogue and a tellurium analogue.

U2 - 10.1039/D1TC02635F

DO - 10.1039/D1TC02635F

M3 - Journal article

SN - 2050-7526

VL - 9

SP - 13942

EP - 13953

JO - Journal of Materials Chemistry C

JF - Journal of Materials Chemistry C

IS - 39

ER -

Revealing the internal heavy chalcogen atom effect on the photophysics of the dibenzo[a,j]phenazine-cored donor–acceptor–donor triad

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