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

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.

2017 ◽  
Vol 19 (21) ◽  
pp. 13596-13603 ◽  
Author(s):  
J. Ahrens ◽  
M. Frank ◽  
G. H. Clever ◽  
D. Schwarzer

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.


2017 ◽  
Vol 1 (5) ◽  
pp. 852-858 ◽  
Author(s):  
Xiaojing Long ◽  
Zicheng Ding ◽  
Chuandong Dou ◽  
Jun Liu ◽  
Lixiang Wang

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).


2020 ◽  
Vol 8 (40) ◽  
pp. 20998-21006
Author(s):  
Junhui Miao ◽  
Hongxiang Li ◽  
Tao Wang ◽  
Yanchun Han ◽  
Jun Liu ◽  
...  

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.


Author(s):  
Jing-Ju Huang ◽  
Hsing-An Lin ◽  
Chi Chen ◽  
Po-Wen Tang ◽  
Shyh-Chyang Luo

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...


2021 ◽  
Vol 17 ◽  
pp. 771-799
Author(s):  
Zhonglie Yang ◽  
Yutong Liu ◽  
Kun Cao ◽  
Xiaobin Zhang ◽  
Hezhong Jiang ◽  
...  

The reversible, weak ground-state aggregate formed by dipole–dipole interactions between an electron donor and an electron acceptor is referred to as an electron-donor–acceptor (EDA) complex. Generally, upon light irradiation, the EDA complex turns into the excited state, causing an electron transfer to give radicals and to initiate subsequent reactions. Besides light as an external energy source, reactions involving the participation of EDA complexes are mild, obviating transition metal catalysts or photosensitizers in the majority of cases and are in line with the theme of green chemistry. This review discusses the synthetic reactions concerned with EDA complexes as well as the mechanisms that have been shown over the past five years.


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

2020 ◽  
Vol 49 (28) ◽  
pp. 9835-9848
Author(s):  
Parvin Safari ◽  
Stephen A. Moggach ◽  
Paul J. Low

Infra-red spectroelectrochemical studies of [{Cp′(CO)xM′}(μ-CCC6H4CC){M(PP)Cp′}]n+ [n = 0, 1] illustrate limited ground-state interactions in these donor–acceptor compounds and the localised nature of the one-electron redox processes.


RSC Advances ◽  
2016 ◽  
Vol 6 (65) ◽  
pp. 60084-60093 ◽  
Author(s):  
Azam M. Shaikh ◽  
Bharat K. Sharma ◽  
Sajeev Chacko ◽  
Rajesh M. Kamble

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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