scholarly journals Quinoline-containing diarylethenes: bridging between turn-on fluorescence, RGB switching and room temperature phosphorescence

2020 ◽  
Vol 11 (10) ◽  
pp. 2729-2734
Author(s):  
Zhen Xu ◽  
Qian T. Liu ◽  
Xiaozhu Wang ◽  
Qian Liu ◽  
Duane Hean ◽  
...  
Keyword(s):  
Room Temperature ◽  
Photophysical Properties ◽  
Room Temperature Phosphorescence ◽  
Structural Modifications ◽  
Turn On ◽  
Dramatic Variation

Simple structural modifications using oxidation and methylation of a quinoline-containing diarylethene result in dramatic variation of photophysical properties.

Force‐Induced Turn‐On Persistent Room‐Temperature Phosphorescence in Purely Organic Luminogen

2021 ◽  
Author(s):  
Jia Ren ◽  
Yunsheng Wang ◽  
Yu Tian ◽  
Zhenjiang Liu ◽  
Xiangheng Xiao ◽  
...  
Keyword(s):  
Room Temperature ◽  
Room Temperature Phosphorescence ◽  
Turn On

Mechanoresponsive turn-on phosphorescence by a desymmetrization approach

2020 ◽  
Vol 56 (50) ◽  
pp. 6810-6813
Author(s):  
Yosuke Tani ◽  
Mao Komura ◽  
Takuji Ogawa
Keyword(s):  
Room Temperature ◽  
Room Temperature Phosphorescence ◽  
Metal Free ◽  
Turn On

Mechanoresponsive turn-on of room-temperature phosphorescence of a metal-free organic 1,2-diketone is reported. Desymmetrization selectively modifies the emission of the crystal.

Force‐Induced Turn‐On Persistent Room‐Temperature Phosphorescence in Purely Organic Luminogen

2021 ◽  
Author(s):  
Jia Ren ◽  
Yunsheng Wang ◽  
Yu Tian ◽  
Zhenjiang Liu ◽  
Xiangheng Xiao ◽  
...  
Keyword(s):  
Room Temperature ◽  
Room Temperature Phosphorescence ◽  
Turn On

Bridge control of photophysical properties in benzothiazole-phenoxazine emitters – from thermally activated delayed fluorescence to room temperature phosphorescence

2022 ◽  
Author(s):  
Simon PAREDIS ◽  
Tom CARDEYNAELS ◽  
Jasper DECKERS ◽  
Andrew Danos ◽  
Dirk Vanderzande ◽  
...  
Keyword(s):  
Room Temperature ◽  
Photophysical Properties ◽  
Phenyl Group ◽  
Delayed Fluorescence ◽  
Room Temperature Phosphorescence ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Thiophene Moiety ◽  
Donor Acceptor

The bridging phenyl group in a fluorescent phenoxazine-benzothiazole donor-acceptor dyad is replaced by either a naphthalene or a thiophene moiety to probe the influence of a more extended conjugated system...

scholarly journals Revealing Internal Heavy Chalcogen Atom Effect on the Photophysics of Dibenzo[a,j]phenazine-Cored Donor–Acceptor–Donor Triad

2021 ◽  
Author(s):  
Shimpei Goto ◽  
Yuya Nitta ◽  
Nicolas Decarli ◽  
Leonardo Evaristo de Sousa ◽  
Patrycja Stachelek ◽  
...  
Keyword(s):  
Room Temperature ◽  
Photophysical Properties ◽  
Heavy Atom ◽  
Delayed Fluorescence ◽  
Room Temperature Phosphorescence ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Donor Acceptor ◽  
Mechanochromic Luminescence ◽  
Atom Effect

<div><div><div><p>A new twisted donor–acceptor–donor (D–A–D) multi-photofunctional organic molecule comprising of phenoselenazine as the electron-donors (Ds) and dibenzo[a,j]phenazine (DBPHZ) as the electron-acceptor (A) has been developed. The developed selenium-incorporated D–A–D compound is featured with 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 the comparison with the physicochemical properties of a previously developed sulfur analogue and a tellurium analogue.</p></div></div></div>

scholarly journals Revealing Internal Heavy Chalcogen Atom Effect on the Photophysics of Dibenzo[a,j]phenazine-Cored Donor–Acceptor–Donor Triad

2021 ◽  
Author(s):  
Shimpei Goto ◽  
Yuya Nitta ◽  
Nicolas Decarli ◽  
Leonardo Evaristo de Sousa ◽  
Patrycja Stachelek ◽  
...  
Keyword(s):  
Room Temperature ◽  
Photophysical Properties ◽  
Heavy Atom ◽  
Delayed Fluorescence ◽  
Room Temperature Phosphorescence ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Donor Acceptor ◽  
Mechanochromic Luminescence ◽  
Atom Effect

<div><div><div><p>A new twisted donor–acceptor–donor (D–A–D) multi-photofunctional organic molecule comprising of phenoselenazine as the electron-donors (Ds) and dibenzo[a,j]phenazine (DBPHZ) as the electron-acceptor (A) has been developed. The developed selenium-incorporated D–A–D compound is featured with 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 the comparison with the physicochemical properties of a previously developed sulfur analogue and a tellurium analogue.</p></div></div></div>

Unveiling the mechanisms of organic room temperature phospho-rescence in various surrounding environments: a computational study

2021 ◽  
Author(s):  
Anchong Zhao ◽  
Xiulan Wu ◽  
Xin Jiang ◽  
Jingran Gao ◽  
Jian Wang ◽  
...  
Keyword(s):  
Room Temperature ◽  
Organic Materials ◽  
Computational Study ◽  
Photophysical Properties ◽  
Next Generation ◽  
Room Temperature Phosphorescence

Room-temperature phosphorescence (RTP) from pure organic materials has been prom-ising in the next-generation OLEDs. Understanding of the photophysical properties of RTP molecules is attractive but challenging. In this study, through...

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