An, C., Marszalek, T., Guo, X., Puniredd, S. R., Wagner, M., Pisula, W., et al. (2015). Tuning the optoelectronic properties of dual-acceptor based low-bandgap ambipolar polymers by changing the thiophene-bridge length. Polymer Chemistry, 6(34), 6238-6245. doi:10.1039/c5py00802f.