... t-BuOKTHFBrBrMeOOnMEH-PPV (P2) Solar Cells – New Aspects and Solutions 432 Shinar, R.; Shinar, J. (20 09) . Organic Electronics in Sensors and Biotechnology., McGraw-Hill, New York. Shirakawa, H. ... films. The PCE of P54 Solar Cells – New Aspects and Solutions 418 absorption photons, they can diffuse over a length of approximately 5-15 nm (Haugeneder et al., 199 9). Since the exciton ... Evac. Solar Cells – New Aspects and Solutions 414 Yan, B.; Yue, G.; Xu, X.; Yang, J.; and Guha, S. (2010). High efficiency amorphous and nanocrystalline silicon solar cells, Physica Status...