PROBING REACTION MECHANISMS IN PHOTOCATALYTIC H2 GENERATION

Informazioni relative al progetto

PREMHYDRO

ID dell’accordo di sovvenzione: 799778

DOI

10.3030/799778

Progetto chiuso

Data della firma CE 23 Febbraio 2018

Data di avvio 1 Settembre 2018

Data di completamento 31 Agosto 2020

Finanziato da

• EXCELLENT SCIENCE - Marie Skłodowska-Curie Actions

Costo totale

€ 175 866,00

Contributo UE

€ 175 866,00

Coordinato da

DUBLIN CITY UNIVERSITY
Ireland

Periodic Reporting for period 1 - PREMHYDRO (PROBING REACTION MECHANISMS IN PHOTOCATALYTIC H2 GENERATION)

Periodo di rendicontazione: 2018-09-01 al 2020-08-31

Sintesi del contesto e degli obiettivi generali del progetto

A dramatic change is required in the energy vectors we currently use, with an urgent need to move away from fossil fuels, with a radical move towards renewable fuels required. This project works towards developing materials for solar hydrogen production.
The research involved developing efficient photochemical molecular systems for visible light-driven hydrogen production from water and also using time resolved studies to probe and characterize intermediates involved.
The overall objective is utilize solar energy to generate hydrogen from water and to convert CO2, a greenhouse gas into useful product.

Lavoro eseguito dall’inizio del progetto fino alla fine del periodo coperto dalla relazione e principali risultati finora ottenuti

The aim was to construct new molecular assemblies having sunlight absorbing groups, together with a catalytic centres for hydrogen evolution or CO2 reduction. Anchoring groups were introduced for attachment to the electrode surface. This requires exceptional skill in terms of chemical reactivity knowledge. In addition to synthesis, a wide range of time-resolved (TRIR, TAS, TCSPC) studies allowed us to characterize reactive intermediates on the pico to milli second time scales. These types of studies are essential to design superior catalysts for hydrogen generation. Currently three manuscripts are in the draft form for publication, in addition to a IDF.

Progressi oltre lo stato dell’arte e potenziale impatto previsto (incluso l’impatto socioeconomico e le implicazioni sociali più ampie del progetto fino ad ora)

We have developed new approaches for anchoring ruthenium and rhenium photocatalysts on to electrode surface. For the first time, spectroelectrochemistry has been combined with TRIR to identify reactive intermediates in the pathway towards generating hydrogen from water. In designing efficient photoelectrochemical cells for technology development, it is essential we know the intermediates involved. Our studies combining TRIR and spectroelectrochemistry opens up new research area that has been pioneered by us.

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