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MARCUS SIGNED

Mapping Reaction Pathways Using Transient Ultrafast Spectroscopies: Kinetic and Mechanistic Investigation of Photoredox Catalysed Reactions

Total Cost €

0

EC-Contrib. €

0

Partnership

0

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 MARCUS project word cloud

Explore the words cloud of the MARCUS project. It provides you a very rough idea of what is the project "MARCUS" about.

continuous    electronic    kinetics    photoinduced    mechanistic    structure    nano    oxidation    dihydrophenazine    vision    effect    micro    photocatalysts    kinetic    photoexcitation    solvent    transforming    back    catalyst    anthraquinone    reveal    structures    polarity    photocatalytic    transfers    alter    varied    ring    scarce    regeneration    unprecedented    cycle    mechanisms    ultrafast    transient    observe    outcomes    materials    withdrawing    reaction    termination    electron    modifications    theory    timescales    catalytic    efficiency    donating    photoredox    photocatalyst    sub    sought    picosecond    organocatalyzed    organic    marcus    connections    absorption    potentials    intermediates    transfer    sustainable    spectroscopies    catalysis    diphenyl    vibrational    polymerization    reactions    understand    introducing    dicyanobenzene    catalyzed    details    molecular    reactive    conjugated    synthetic    radical    inform    full    groups    rates    atom    single    chemistry   

Project "MARCUS" data sheet

The following table provides information about the project.

Coordinator
UNIVERSITY OF BRISTOL 

Organization address
address: BEACON HOUSE QUEENS ROAD
city: BRISTOL
postcode: BS8 1QU
website: www.bristol.ac.uk

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country United Kingdom [UK]
 Total cost 183˙454 €
 EC max contribution 183˙454 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2017
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2018
 Duration (year-month-day) from 2018-05-01   to  2020-05-27

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITY OF BRISTOL UK (BRISTOL) coordinator 183˙454.00

Map

 Project objective

Photoredox catalysis is transforming synthetic chemistry methodologies but mechanistic studies remain scarce. The proposed research will reveal kinetic and mechanistic details of photoredox catalyzed polymerization reactions using ultrafast transient electronic and vibrational absorption spectroscopies. The focus will be on organocatalyzed atom transfer radical polymerization mechanisms, using organic photocatalysts based on diphenyl dihydrophenazine and other conjugated ring structures. The vision is to observe the full catalytic cycle from ultrafast (sub-picosecond) photoexcitation of the catalyst to radical termination and catalyst regeneration on nano and micro second timescales in single continuous measurements. The objectives will be to understand the effect of catalyst structure and solvent properties on the rates of key steps in the photocatalytic cycle such as photoinduced and back electron transfers. Mechanistic connections will be sought between the reaction kinetics and the efficiency of the photocatalyst. The photocatalyst structure will be varied, for example by introducing electron withdrawing or electron donating groups, and these modifications together with changes to the solvent polarity will alter the oxidation/reduction potentials of the photocatalyst. Understanding of the electron transfer steps will be sought through application of Marcus theory. These unprecedented studies will identify the reactive intermediates involved in the electron transfer driven radical chemistry and will reveal the molecular properties most important for controlling the photocatalytic efficiency. Further organic photocatalytic reactions, such as those involving dicyanobenzene or anthraquinone photocatalysts will be investigated. The outcomes will inform future design of sustainable organic photocatalysts for numerous synthetic and materials applications.

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The information about "MARCUS" are provided by the European Opendata Portal: CORDIS opendata.

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