K Felter, F Grozema, Singlet Fission in Crystalline Organic Materials: Recent Insights and Future Directions, JPCL 10, 7208 (2019) – doi
J Lee, P Jadhav, P D Reusswig, S R Yost, N J Thompson, D N Congreve, E Hontz, T Van Voorhis, M A Baldo, Singlet Exciton Fission Photovoltaics, ACR 46, 1300 (2013)
M B Smith, J Michl, Singlet Fission, CR 110, 6891 (2010)