1. Division for Research with Neutrons and Muons, Paul Scherrer Institut, 5232 PSI Villigen, Switzerland
2. Ion Beam Physics, ETH Zürich, 8093 Zürich, Switzerland
3. Center for Nanointegration Duisburg-Essen, Technical Chemistry I, University of Duisburg-Essen, 45141 Essen, Germany
4. Energy and Environment Research Division, Paul Scherrer Institut, 5232 PSI Villigen, Switzerland
5. Laboratory of Inorganic Chemistry, Department of Chemistry and Applied Biosciences, ETH Zürich, 8093 Zürich, Switzerland
6. Molecular Photoconversion Devices Division, International Institute for Carbon-Neutral Energy Research (I2CNER), Kyushu University, 744 Motooka, 819-0395 Fukuoka, Japan