From 13th to 17th July 2008 in Piechowice (POLAND) the ERPOS 11 conference took place. The conference was organized by the Institute of Physical and Theoretical Chemistry of Wroclaw University of Technology with the help of PhoBiA members. Six of us took part in the conference (M. Banski, I. Bulik, P. Hanczyc, J. Kurzawa, J. Olesiak, M. Ziemienczuk) and presented four posters during the poster session. Moreover, K. Matczyszyn, our supervisor, and M. Ziemienczuk gave oral presentations. More information and plenty of nice photos you can find on the ERPOS 11 web page.