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An isoindigo-based low band gap polymer for efficient polymer solar cells with high photo-voltage
Article in journal
Ergang Wang, Zaifei Ma, Zhen Zhang, Patrik Henriksson, Olle Inganäs, Fengling Zhang, Mats R Andersson
Publication Year
CHEMICAL COMMUNICATIONS, 2011, (47)17, 4908-4910
Link to Source (DOI)
<p>A new low band gap polymer (E-g = 1.6 eV) with alternating thiophene and isoindigo units was synthesized and characterized. A PCE of 3.0% and high open-circuit voltage of 0.89 V were realized in polymer solar cells, which demonstrated the promise of isoindigo as an electron deficient unit in the design of donor-acceptor conjugated polymers for polymer solar cells.</p>