Photoinduced electron transfer and remarkable enhancement of magnetic susceptibility in bridging pyrazine complexes

2018 ◽  
Vol 47 (44) ◽  
pp. 15888-15896 ◽  
Author(s):  
Bin Xia ◽  
Yu Zhou ◽  
Qing-Lun Wang ◽  
Xiu-Fang Xu ◽  
Yu-Zhang Tong ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Magnetic Susceptibility ◽  
Photoinduced Electron Transfer ◽  
System P

Three bridging pyrazine complexes that exhibit both photochromism and photomagnetism were prepared. Photoinduced electron transfer can be realized by constructing a donor–metal–accepter system.

Tris-bipyridine based dinuclear ruthenium(ii)–osmium(iii) complex dyads grafted onto TiO2 nanoparticles for mimicking the artificial photosynthetic Z-scheme

2017 ◽  
Vol 19 (6) ◽  
pp. 4778-4786 ◽  
Author(s):  
Ludovic Favereau ◽  
Abhinandan Makhal ◽  
David Provost ◽  
Yann Pellegrin ◽  
Errol Blart ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Tio2 Nanoparticles ◽  
Charge Separation ◽  
Photoinduced Electron Transfer ◽  
Reaction Pathway ◽  
System P ◽  
Dinuclear Ruthenium ◽  
Artificial Photosynthetic ◽  
A Minor ◽  
Minor Reaction

A Ru(ii)–Os(iii) dyad was grafted on TiO2 to achieve Z-scheme charge separation, but photoinduced electron transfer was shown to be a minor reaction pathway in this system.

A novel dual-switch fluorescent probe for Cr(iii) ion based on PET–FRET processes

The Analyst ◽  
2014 ◽  
Vol 139 (14) ◽  
pp. 3607-3613 ◽  
Author(s):  
Fangzhi Hu ◽  
Baozhan Zheng ◽  
Dongmei Wang ◽  
Maoping Liu ◽  
Juan Du ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Energy Transfer ◽  
Fluorescent Probe ◽  
Fluorescence Resonance Energy Transfer ◽  
Photoinduced Electron Transfer ◽  
Resonance Energy Transfer ◽  
Resonance Energy ◽  
Sensing System ◽  
System P ◽  
Fluorescence Resonance

Two different strategies for photoinduced electron transfer (PET) and fluorescence resonance energy transfer (FRET) have been designed and combined into one sensing system.

scholarly journals Photoinduced electron transfer in novel CdSe–Cu2Se type II core–shell quantum dots

RSC Advances ◽  
2019 ◽  
Vol 9 (26) ◽  
pp. 15092-15098 ◽  
Author(s):  
N. J. Simi ◽  
R. Vinayakan ◽  
V. V. Ison
Keyword(s):  
Quantum Dots ◽  
Electron Transfer ◽  
Photoinduced Electron Transfer ◽  
Core Shell ◽  
Type Ii ◽  
Shell System ◽  
System P

Herein we report the synthesis, characterisation and electron transfer studies of CdSe–Cu2Se QDs, a novel type II core–shell system.

Amidinium–carboxylate salt bridge mediated proton-coupled electron transfer in a donor–acceptor supramolecular system

2019 ◽  
Vol 6 (5) ◽  
pp. 584-590
Author(s):  
Xiaolei Ren ◽  
Xiaohua Wang ◽  
Yuren Sun ◽  
Xiaodong Chi ◽  
Daniel Mangel ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Photoinduced Electron Transfer ◽  
Salt Bridge ◽  
Supramolecular Polymer ◽  
Supramolecular System ◽  
Salt Bridges ◽  
Proton Coupled Electron Transfer ◽  
System P ◽  
Donor Acceptor

A supramolecular polymer that allows for intrapolymer proton-coupled photoinduced electron transfer was constructed by means of amidinium-carboxylate salt bridges.

Computationally Assisted Design of High Signal-to-Noise Photoinduced Electron Transfer-Based Voltage-Sensitive Dyes

2020 ◽  
Author(s):  
Rishikesh Kulkarni ◽  
Anneliese Gest ◽  
Chun Kei Lam ◽  
Benjamin Raliski ◽  
Feroz James ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Dft Calculations ◽  
Photoinduced Electron Transfer ◽  
Density Functional ◽  
Embryonic Stem ◽  
High Sensitivity ◽  
Md Simulations ◽  
High Signal ◽  
Signal To Noise ◽  
Green Fluorescent

<p>High signal-to-noise optical voltage indicators will enable simultaneous interrogation of membrane potential in large ensembles of neurons. However, design principles for voltage sensors with high sensitivity and brightness remain elusive, limiting the applicability of voltage imaging. In this paper, we use molecular dynamics (MD) simulations and density functional theory (DFT) calculations to guide the design of a bright and sensitive green-fluorescent voltage-sensitive fluorophore, or VoltageFluor (VF dye), that uses photoinduced electron transfer (PeT) as a voltage-sensing mechanism. MD simulations predict an 11% increase in sensitivity due to membrane orientation, while DFT calculations predict an increase in fluorescence quantum yield, but a decrease in sensitivity due to a decrease in rate of PeT. We confirm these predictions by synthesizing a new VF dye and demonstrating that it displays the expected improvements by doubling the brightness and retaining similar sensitivity to prior VF dyes. Combining theoretical predictions and experimental validation has resulted in the synthesis of the highest signal-to-noise green VF dye to date. We use this new voltage indicator to monitor the electrophysiological maturation of human embryonic stem cell-derived medium spiny neurons. </p>

Photoinduced electron transfer in mechanically interlocked suit[3]ane systems

2021 ◽  
Author(s):  
Anton J Stasyuk ◽  
Olga A. Stasyuk ◽  
Miquel Solà ◽  
Alexander Voityuk
Keyword(s):  
Electron Transfer ◽  
Photoinduced Electron Transfer ◽  
New Class ◽  
Transfer Processes ◽  
Two Component ◽  
Electron Transfer Processes

Suitanes, a new class of two-component mechanically interlocked systems, have recently been developed. In this work, we report a detailed study of photoinduced electron transfer processes in the suit[3]anes consisting...

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