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On-water surface photocatalytic CO2 reduction

Project description

On-water photocatalysis for CO2 conversion

Reducing carbon dioxide emissions while producing sustainable fuels and chemicals is a major challenge in the transition towards climate neutrality. Current CO2 conversion technologies face efficiency limitations. Supported by the Marie Skłodowska-Curie Actions programme, the OWSP-CO2 project will develop a new on-water surface photocatalysis approach to convert CO2 and water into methanol using advanced two-dimensional metal–organic framework materials. By engineering an ultrathin reactive interface and combining innovative catalyst design with advanced monitoring techniques and computational modelling, the project aims to improve conversion efficiency. The research aims to provide new insights into interfacial photocatalytic mechanisms and deliver scalable solutions for sustainable carbon utilisation, contributing to Europe’s green transition and climate neutrality goals.

Objective

OWSP-CO2 pioneers an on-water surface photocatalysis (OWSP) paradigm to convert CO2 and H2O to methanol with high activity and selectivity. Conventional bulk gas/liquid systems are limited by poor mass transfer and ill-defined interfaces. We will assemble ultrathin, floatable, hydrophobic 2D conjugated metal–organic frameworks (2D-cMOFs) at the CO2|H2O boundary to create a sub-10-nm reactive interface that enriches both reactants and shortens diffusion paths. The project couples materials synthesis (Cu- and Fe/Co/Zn-cMOFs), on-water interfacial reactor engineering, and multiscale operando diagnostics (SFG, ATR-IR, GIWAXS/XAFS, AC-HRTEM, transient spectroscopy) with DFT-guided kinetics to reveal how interfacial polarity, hydrophobicity, and site electronics govern PCET steps and C–O bond hydrogenation toward CH₃OH.
OWSP-CO2 demonstrates STY ≥ 1.0 mmol·g-1·h-1 and ≥85% selectivity by M10; reach ≥1.5 mmol·g-1·h-1 by M18; show 200-h continuous operation with ≥90% recovery after regeneration by M24. Benchmarks will be performed head-to-head against slurry, triphase, and GDE-assisted photoreactors under identical photon flux and CO2 partial pressure. Product attribution uses ¹³CO2 labelling (GC-MS/¹³C-NMR).
Hosted at MPI-MP, the fellow receives first-class training-through-research at the Chemistry–Materials–Engineering interface, including a 6–8-week industry secondment (IP landscaping, TRL-in-lab prototype, rapid TEA/LCA). Results will be disseminated under FAIR/Open Science, with patent-first protection where appropriate. By delivering a validated interfacial mechanism and a transferable catalyst/reaction library, OWSP-CO2 advances Europe’s Green Deal and climate-neutral goals while strengthening the fellow’s path to independent research leadership in sustainable photocatalysis.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

(opens in new window) HORIZON-MSCA-2025-PF

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Coordinator

MAX-PLANCK-GESELLSCHAFT ZUR FORDERUNG DER WISSENSCHAFTEN EV
Net EU contribution
€ 202 125,12
Address
HOFGARTENSTRASSE 8
80539 MUNCHEN
Germany
Region
Berlin Berlin Berlin
Activity type
Research Organisations
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Total cost
No data