Thermal switches between delayed fluorescence and persistent phosphorescence based on a keto-BODIPY electron acceptor

2021 ◽  
Author(s):  
Hui Liu ◽  
Jiaying Xue ◽  
Sisi Wang ◽  
Fan Wu ◽  
Yue Zhao ◽  
...  
Keyword(s):  
Electron Donor ◽  
Electron Acceptor ◽  
Delayed Fluorescence ◽  
Molecular Material ◽  
Thermal Switches ◽  
Donor Acceptor ◽  
New Type

A new type of twisted donor–acceptor molecular material 3a and 3b containing carbazole as an electron donor and keto-BODIPY bearing keto-isoindolinyl and pyridyl subunits as an acceptor has been prepared and characterized.

scholarly journals Inversion of donor–acceptor roles in photoinduced intervalence charge transfers

2019 ◽  
Vol 55 (53) ◽  
pp. 7659-7662 ◽  
Author(s):  
Bruno M. Aramburu-Trošelj ◽  
Paola S. Oviedo ◽  
Ivana Ramírez-Wierzbicki ◽  
Luis M. Baraldo ◽  
Alejandro Cadranel
Keyword(s):  
Electron Donor ◽  
Electron Acceptor ◽  
Ground State ◽  
Mixed Valence ◽  
Donor Acceptor

Upon MLCT photoexcitation, {(tpy)Ru} becomes the electron acceptor in the mixed valence {(tpy˙−)RuIII−δ-NC-MII+δ} moiety, reversing its role as the electron donor in the ground-state mixed valence analogue.

Ultrafast IR spectroscopy of photo-induced electron transfer in self-assembled donor–acceptor coordination cages

2017 ◽  
Vol 19 (21) ◽  
pp. 13596-13603 ◽  
Author(s):  
J. Ahrens ◽  
M. Frank ◽  
G. H. Clever ◽  
D. Schwarzer
Keyword(s):  
Electron Transfer ◽  
Ir Spectroscopy ◽  
Electron Donor ◽  
Electron Acceptor ◽  
Donor Acceptor ◽  
Coordination Cages ◽  
Photo Induced Electron Transfer ◽  
Self Assembled

Photo-excitation of self-assembled palladium based coordination cages consisting of phenothiazine electron donor and anthraquinone electron acceptor ligands produce charge separated states with lifetimes of up to 1.5 ns.

A double B←N bridged bipyridine (BNBP)-based polymer electron acceptor: all-polymer solar cells with a high donor : acceptor blend ratio

2017 ◽  
Vol 1 (5) ◽  
pp. 852-858 ◽  
Author(s):  
Xiaojing Long ◽  
Zicheng Ding ◽  
Chuandong Dou ◽  
Jun Liu ◽  
Lixiang Wang
Keyword(s):  
Solar Cells ◽  
Electron Donor ◽  
Electron Acceptor ◽  
Polymer Solar Cells ◽  
Device Performance ◽  
Blend Ratio ◽  
Donor Acceptor ◽  
Blend Ratios ◽  
High Donor

All-polymer solar cells with P3HT as an electron donor exhibit good device performance with high donor : acceptor blend ratios (w : w, from 0.5 : 1 to 9 : 1).

Donor–acceptor type conjugated copolymers based on alternating BNBP and oligothiophene units: from electron acceptor to electron donor and from amorphous to semicrystalline

2020 ◽  
Vol 8 (40) ◽  
pp. 20998-21006
Author(s):  
Junhui Miao ◽  
Hongxiang Li ◽  
Tao Wang ◽  
Yanchun Han ◽  
Jun Liu ◽  
...  
Keyword(s):  
Conjugated Polymers ◽  
Electron Donor ◽  
Electron Acceptor ◽  
Donor Acceptor ◽  
Conjugated Copolymers

A series of D–A type conjugated polymers based on alternating BNBP unit and oligothiophene units of various length were developed and served as from electron acceptor to electron donor.

Corannulene-Based Donor-Acceptor-Type Conjugated Polymers with Electrochromic Properties

2021 ◽  
Author(s):  
Jing-Ju Huang ◽  
Hsing-An Lin ◽  
Chi Chen ◽  
Po-Wen Tang ◽  
Shyh-Chyang Luo
Keyword(s):  
Conjugated Polymers ◽  
Electron Donor ◽  
Electron Acceptor ◽  
Color Change ◽  
Material Research ◽  
Electrochromic Properties ◽  
Electrochromic Material ◽  
Wide Range ◽  
Donor Acceptor

π−Conjugated polymers have received increasing attention in electrochromic material research because their color change can be altered over a wide range by introducing electron-donor (D) and electron-acceptor (A) moieties. In...

scholarly journals Integration of aggregation-induced emission and delayed fluorescence into electronic donor–acceptor conjugates

2016 ◽  
Vol 4 (17) ◽  
pp. 3705-3708 ◽  
Author(s):  
Shifeng Gan ◽  
Wenwen Luo ◽  
Bairong He ◽  
Long Chen ◽  
Han Nie ◽  
...  
Keyword(s):  
Electron Donor ◽  
Delayed Fluorescence ◽  
Aggregation Induced Emission ◽  
Donor And Acceptor ◽  
Donor Acceptor ◽  
Electron Donor And Acceptor

Aggregation-induced emission and delayed fluorescence are observed simultaneously for the luminogens with an electron-donor and acceptor framework.

Tuning the Electron Acceptor in Phthalocyanine-Based Electron Donor-Acceptor Conjugates

2015 ◽  
Vol 21 (52) ◽  
pp. 19028-19040 ◽  
Author(s):  
Michael Sekita ◽  
Ángel J. Jiménez ◽  
M. Luisa Marcos ◽  
Esmeralda Caballero ◽  
M. Salomé Rodríguez-Morgade ◽  
...  
Keyword(s):  
Electron Donor ◽  
Electron Acceptor ◽  
Donor Acceptor

Synthesis and optoelectronic investigations of triarylamines based on naphtho[2,3-f]quinoxaline-7,12-dione core as donor–acceptors for n-type materials

RSC Advances ◽  
2016 ◽  
Vol 6 (65) ◽  
pp. 60084-60093 ◽  
Author(s):  
Azam M. Shaikh ◽  
Bharat K. Sharma ◽  
Sajeev Chacko ◽  
Rajesh M. Kamble
Keyword(s):  
Electron Donor ◽  
Electron Acceptor ◽  
Bond Forming ◽  
Palladium Catalyzed ◽  
Donor Acceptor

We have synthesized a new series of fully characterized donor–acceptor systems (2–7) involving electron donor triarylamines and electron acceptor naphtho[2,3-f]quinoxaline-7,12-dione by employing palladium catalyzed C–N bond forming amination reactions in good yields.

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