Embedding molecular photosensitizers and catalysts in nanoporous block copolymer membranes for visible-light driven hydrogen evolution

Iuliia Romanenko; Ashwene Rajagopal; Christof Neumann; Andrey Turchanin; Carsten Streb; Felix H. Schacher

doi:10.1039/D0TA01059F

Embedding molecular photosensitizers and catalysts in nanoporous block copolymer membranes for visible-light driven hydrogen evolution†

Iuliia Romanenko,^a Ashwene Rajagopal,^b Christof Neumann,^c Andrey Turchanin,

^cde Carsten Streb

*^b and Felix H. Schacher

*^ade

Author affiliations

* Corresponding authors

^a Institute of Organic Chemistry and Macromolecular Chemistry, Friedrich Schiller University Jena, Humboldtstraße 10, D-07743 Jena, Germany
E-mail: felix.schacher@uni-jena.de

^b Institute of Inorganic Chemistry I, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, Germany
E-mail: carsten.streb@uni-ulm.de

^c Institute of Physical Chemistry, Friedrich Schiller University Jena, Lessingstraße 10, 07743 Jena, Germany

^d Jena Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, D-07743 Jena, Germany

^e Center for Energy and Environmental Chemistry Jena (CEEC), Friedrich Schiller University Jena, Philosophenweg 7a, 07743 Jena, Germany

Abstract

The integration of molecular photosensitizers and catalysts into functional soft matter supports holds great promise for future energy conversion technologies. Herein, we report the electrostatic immobilization of the molecular molybdenum sulfide hydrogen evolution reaction catalyst [Mo₃S₁₃]²⁻ and the photosensitizer [Ru(bpy)₃]²⁺ on the surface of nanoporous block copolymer membranes. The resulting hybrid materials show sustained visible light-driven hydrogen evolution in acidic media, even at low photosensitizer loadings. Initial mechanistic studies highlight the stability and development challenges for this new composite materials class. The study therefore represents a major advance for the integration of molecular catalysts into nanostructured soft matter matrices.

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DOI: https://doi.org/10.1039/D0TA01059F
Article type: Paper
Submitted: 27 Jan 2020
Accepted: 06 Mar 2020
First published: 06 Mar 2020

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J. Mater. Chem. A, 2020,8, 6238-6244

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Embedding molecular photosensitizers and catalysts in nanoporous block copolymer membranes for visible-light driven hydrogen evolution

I. Romanenko, A. Rajagopal, C. Neumann, A. Turchanin, C. Streb and F. H. Schacher, J. Mater. Chem. A, 2020, 8, 6238 DOI: 10.1039/D0TA01059F

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Journal of Materials Chemistry A

Embedding molecular photosensitizers and catalysts in nanoporous block copolymer membranes for visible-light driven hydrogen evolution†

Abstract

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Embedding molecular photosensitizers and catalysts in nanoporous block copolymer membranes for visible-light driven hydrogen evolution

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