@inproceedings { Kymakis2008, title = {Carbon nanotubes and nanohorns for organic photovoltaics}, journal = {SPIE Photonics Europe. Organic Optoelectronics and Photonics}, volume = {6999}, year = {2008}, month = {07/04/2008}, address = {Strasbourg, France}, author = {E. Kymakis and P. Servati and E. Koudoumas and G.A.J. Amaratunga} }