Unravelling co-catalyst integration methods in Ti-based metal-organic gels for photocatalytic H2 production

The authors gratefully acknowledge the financial support from the Basque Government (IT1722-22), the University of the Basque Country, UPV/EHU (EHU-N23/51) and the Spanish Ministry of Science and Innovation (grant TED2021- 129810B-C22 funded by MCIN/AEI/10.13039/501100011033 and by the European Union NextGenerationEU/PRTR, grant PID2019-108028GB-C21 funded by MCIN/AEI/10.13039/ 501100011033 and grant PID2022-138968NB-C22 funded by MCIN/AEI/10.13039/501100011033 and by the ERDF A way of making Europe). M. P.-I. thanks the University of the Basque Country for the fellowship PIF18/175. Technical and human support provided by SGIker (UPV/EHU, MICINN, GV/EJ, and ESF) is also acknowledged. This work was supported by EPSRC through a DTA studentship to M. G. A. (EP/R51312X/1) and a capital investment grant to M. F. K. (EP/S017925/1). Ciatto Gianluca, Manish Kumar and Subhajit Nandy are acknowl- edged for their assistance in XAFS data collection. The experi- ment at the SIRIUS beamline benefited from the SOLEIL beam time allocation no. 20220322. H. S. acknowledges the EU/ Interreg Aurora/Sustainable Hydrogen Project for financial support. Open Access funding provided by the University of the Basque Country is also acknowledged.