1. Wood Materials Science; Institut for Building Materials; ETH Zürich; Stefano-Franscini-Platz 3 8093 Zürich Switzerland
2. Applied Wood Materials; Empa-Swiss Federal Laboratories for Materials Science and Technology; Überlandstrasse 129 8600 Dübendorf Switzerland
3. Laboratory for Thin Films and Photovoltaics; Empa-Swiss Federal Laboratories for Materials Science and Technology; Überlandstrasse 129 8600 Dübendorf Switzerland