Li, J., Kastler, M., Pisula, W., Robertson, J. W. F., Wasserfallen, D., Grimsdale, A. C., et al. (2007). Organic bulk-heterojunction photovoltaics based on alkyl substituted discotics. Advanced Functional Materials, 17(14), 2528-2533. doi:10.1002/adfm.200600679.