The effect of branching in a semiconducting polymer on the efficiency of organic photovoltaic cells.
The impact of branching in a diketopyrrolopyrrole polymer on the performance of polymer-fullerene photovoltaic cells is investigated. Compared to the linear polymer, the branched polymer affords a more finely dispersed fibrillar network in the photoactive layer and as a result a large enhancement of the photocurrent and power conversion efficiency.
Molecular Materials and Nanosystems & Institute for Complex Molecular Systems, Eindhoven University of Technology, P. O. Box 513, 5600 MB Eindhoven, The Netherlands. r.a.j.janssen@tue.nl.
Gaël H L
GH
Heintges
Molecular Materials and Nanosystems & Institute for Complex Molecular Systems, Eindhoven University of Technology, P. O. Box 513, 5600 MB Eindhoven, The Netherlands. r.a.j.janssen@tue.nl and Dutch Polymer Institute (DPI), P. O. Box 902, 5600 AX Eindhoven, The Netherlands.
Jacobus J
JJ
van Franeker
Molecular Materials and Nanosystems & Institute for Complex Molecular Systems, Eindhoven University of Technology, P. O. Box 513, 5600 MB Eindhoven, The Netherlands. r.a.j.janssen@tue.nl and Dutch Institute for Fundamental Energy Research, De Zaale 20, 5612 AJ Eindhoven, The Netherlands.
Martijn M
MM
Wienk
Molecular Materials and Nanosystems & Institute for Complex Molecular Systems, Eindhoven University of Technology, P. O. Box 513, 5600 MB Eindhoven, The Netherlands. r.a.j.janssen@tue.nl and Dutch Institute for Fundamental Energy Research, De Zaale 20, 5612 AJ Eindhoven, The Netherlands.
René A J
RA
Janssen
D011211:Electric Power Supplies; D037741:Fullerenes / Q000737:chemistry*; D011108:Polymers / Q000737:chemistry*; D011758:Pyrroles / Q000737:chemistry*; D012666:Semiconductors; D012993:Solar Energy
D037741:Fullerenes; D011108:Polymers; D011758:Pyrroles