Polymer chain/nanocrystal ordering in thin films of regioregular poly(3-hexylthiophene) and blends with a soluble fullerene - Kim, Y; Nelson, J; Durrant, JR; Bradley, DDC; Heo, K; Park, J; Kim, H; McCulloch, I; Heeney, M; Ree, M; Ha, C-S (SOFT MATTER, 2007)