Determination of side products in the photocatalytic generation of hydrogen with copper photosensitizers by resonance Raman spectroelectrochemistry

Ying Zhang; Martin Heberle; Maria Wächtler; Michael Karnahl; Benjamin Dietzek

doi:10.1039/C6RA21469J

Determination of side products in the photocatalytic generation of hydrogen with copper photosensitizers by resonance Raman spectroelectrochemistry†

Ying Zhang,‡^ab Martin Heberle,‡^c Maria Wächtler,^b Michael Karnahl*^c and Benjamin Dietzek*^abd

* Corresponding authors

^a Institute of Physical Chemistry, Friedrich Schiller University Jena, Helmholtzweg 4, 07743 Jena, Germany
E-mail: benjamin.dietzek@uni-jena.de

^b Leibniz Institute of Photonic Technology Jena (IPHT), Albert-Einstein-Straße 9, 07745 Jena, Germany
E-mail: benjamin.dietzek@leibniz-ipht.de

^c University of Stuttgart, Institute of Organic Chemistry, Pfaffenwaldring 55, 70569 Stuttgart, Germany
E-mail: michael.karnahl@oc.uni-stuttgart.de

^d Centre for Energy and Environmental Chemistry, Friedrich Schiller University Jena, Lessingstrasse 10, 07743 Jena, Germany

Abstract

A combination of UV-Vis and resonance Raman spectroscopy in conjunction with electrochemistry is employed to reveal the nature of a side product formed when using heteroleptic Cu(I)-photosensitizers [(P^P)Cu(N^N)]⁺ for photocatalytic hydrogen generation. It is shown that homoleptic [Cu(N^N)₂]⁺ complexes are formed under oxidative conditions confirming a proposed deactivation pathway.

Supplementary files

Article information

DOI: https://doi.org/10.1039/C6RA21469J
Article type: Communication
Submitted: 26 Aug 2016
Accepted: 24 Oct 2016
First published: 26 Oct 2016
This article is Open Access

Download Citation

RSC Adv., 2016,6, 105801-105805

Permissions

Request permissions

Determination of side products in the photocatalytic generation of hydrogen with copper photosensitizers by resonance Raman spectroelectrochemistry

Y. Zhang, M. Heberle, M. Wächtler, M. Karnahl and B. Dietzek, RSC Adv., 2016, 6, 105801 DOI: 10.1039/C6RA21469J

This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. You can use material from this article in other publications without requesting further permissions from the RSC, provided that the correct acknowledgement is given.

RSC Advances

Determination of side products in the photocatalytic generation of hydrogen with copper photosensitizers by resonance Raman spectroelectrochemistry†

Abstract

Supplementary files

Article information

Download Citation

Permissions

Determination of side products in the photocatalytic generation of hydrogen with copper photosensitizers by resonance Raman spectroelectrochemistry

Social activity

Search articles by author

Spotlight

Advertisements