A. Pieper, M. Hohgardt, M. Willich, D. A. Gacek, N. Hafi, D. Pfennig, A. Albrecht, P. J. Walla, "Biomimetic light-harvesting funnels for re-directioning of diffuse light", Nat. Commun., 9, 666 (2018).
M. M. Willich, L. Wegener, J. Vornweg, M. Hohgardt, J. Nowak, M. Wolter, C. R. Jacob, P. J. Walla, "A new ultrafast energy funneling material harvests three times more diffusive solar energy for GaInP photovoltaics", PNAS, (2021).