This journal article will be available as a final draft post print when embargo ends. “Photochemical tuning of light emission in a conjugated polymer containing norbornadiene units in the main chain” F. Babudri*, G. Bilancia, A. Cardone, P. Coppo*, L. De Cola*, G. M. Farinola, J. W. Hofstraat and F. Naso, Photochem. Photobiol. Sci., 2007, 6, 361. If you wish to obtain a copy please contact the author below: Paolo.Coppo@brunel.ac.uk