U. Frei

Accelerated aging tests of chromium containing amorphous hydrogenated carbon coatings for solar collectors

P. Oelhafen, R. Gampp, P. Gantenbein, 1998 .

Materials in Solar Thermal Collectors

M. Heck, M. Köhl, G. Jorgensen, 2000 .

The applicability of accelerated life testing for assessment of service life of solar thermal components

Bo Carlsson, U Frei, Gary Jorgensen, 2004 .

Application of titanium containing amorphous hydrogenated carbon films (a-C:H/Ti) as optical selective solar absorber coatings

Andreas Schüler, S Brunold, Peter Oelhafen, 2000 .