Synthesis and photovoltaic performances in solution-processed BHJs of oligothiophene-substituted organocobalt complexes [([small eta]4-C4(nT)4)Co([small eta]5-C5H5)]

Guillaume H. V. Bertrand (1) , Ludovic Tortech (2, 1) , Vincent Gandon (3) , Corinne Aubert (4) , Denis Fichou (1)

1 IPCM - Institut Parisien de Chimie Moléculaire
2 LICSEN UMR 3685 - Laboratoire Innovation en Chimie des Surfaces et NanoSciences
3 ICMMO - Institut de Chimie Moléculaire et des Matériaux d'Orsay
4 MACO - Méthodes et Application en Chimie Organique

We describe an efficient synthetic route toward novel organocobalt complexes [([small eta]4-C4(nT)4)Co([small eta]5-C5H5)] with n = 1, 2, 3 thiophene rings. Solution-processed bulk heterojunctions solar cells based on CpCoCb(3T)4:PCBM blends achieve power conversion efficiencies of up to 2.1%.

Domaines: Matériaux

Guillaume H. V. Bertrand, Ludovic Tortech, Vincent Gandon, Corinne Aubert, Denis Fichou. Synthesis and photovoltaic performances in solution-processed BHJs of oligothiophene-substituted organocobalt complexes [([small eta]4-C4(nT)4)Co([small eta]5-C5H5)]. Chemical Communications, 2014, 50 (63), pp.8663-8666. ⟨10.1039/c4cc03530e⟩. ⟨hal-01156581⟩