Wadsworth, A., Hamid, Z., Bidwell, M., Ashraf, R. S., Khan, J. I., Anjum, D. H., Cendra, C., Yan, J., Rezasoltani, E., Guilbert, A. A. Y., Azzouzi, M., Gasparini, N., Bannock, J. H., Baran, D., Wu, H., de Mello, J. C., Brabec, C. J., Salleo, A., Nelson, J., Laquai, F., & McCulloch, I. (2018). progress in Poly (3‐Hexylthiophene) Organic Solar Cells and the Influence of Its Molecular Weight on Device Performance. Advanced energy materials, 8(28), n/a. http://access.bl.uk/ark:/81055/vdc_100070085546.0x00000a