Synthesis of two D-π-A polymers π-bridged by different blocks and investigation of their photovoltaic property
Corresponding Author
Ruiping Qin
College of Physics & Electronic Engineering, Key Laboratory of Photovoltaic Materials of Henan Province, Henan Normal University, Xinxiang, 453007 China
Correspondence to: R. Qin (E-mail: [email protected])Search for more papers by this authorYurong Jiang
College of Physics & Electronic Engineering, Key Laboratory of Photovoltaic Materials of Henan Province, Henan Normal University, Xinxiang, 453007 China
Search for more papers by this authorKaixuan Zhang
College of Physics & Electronic Engineering, Key Laboratory of Photovoltaic Materials of Henan Province, Henan Normal University, Xinxiang, 453007 China
Search for more papers by this authorHaoxing Zhang
College of Physics & Electronic Engineering, Key Laboratory of Photovoltaic Materials of Henan Province, Henan Normal University, Xinxiang, 453007 China
Search for more papers by this authorQunying Zhang
College of Physics & Electronic Engineering, Key Laboratory of Photovoltaic Materials of Henan Province, Henan Normal University, Xinxiang, 453007 China
Search for more papers by this authorMeng Li
College of Physics & Electronic Engineering, Key Laboratory of Photovoltaic Materials of Henan Province, Henan Normal University, Xinxiang, 453007 China
Search for more papers by this authorHeng Ma
College of Physics & Electronic Engineering, Key Laboratory of Photovoltaic Materials of Henan Province, Henan Normal University, Xinxiang, 453007 China
Search for more papers by this authorCorresponding Author
Ruiping Qin
College of Physics & Electronic Engineering, Key Laboratory of Photovoltaic Materials of Henan Province, Henan Normal University, Xinxiang, 453007 China
Correspondence to: R. Qin (E-mail: [email protected])Search for more papers by this authorYurong Jiang
College of Physics & Electronic Engineering, Key Laboratory of Photovoltaic Materials of Henan Province, Henan Normal University, Xinxiang, 453007 China
Search for more papers by this authorKaixuan Zhang
College of Physics & Electronic Engineering, Key Laboratory of Photovoltaic Materials of Henan Province, Henan Normal University, Xinxiang, 453007 China
Search for more papers by this authorHaoxing Zhang
College of Physics & Electronic Engineering, Key Laboratory of Photovoltaic Materials of Henan Province, Henan Normal University, Xinxiang, 453007 China
Search for more papers by this authorQunying Zhang
College of Physics & Electronic Engineering, Key Laboratory of Photovoltaic Materials of Henan Province, Henan Normal University, Xinxiang, 453007 China
Search for more papers by this authorMeng Li
College of Physics & Electronic Engineering, Key Laboratory of Photovoltaic Materials of Henan Province, Henan Normal University, Xinxiang, 453007 China
Search for more papers by this authorHeng Ma
College of Physics & Electronic Engineering, Key Laboratory of Photovoltaic Materials of Henan Province, Henan Normal University, Xinxiang, 453007 China
Search for more papers by this authorABSTRACT
The synthesis, characterization, photophysical and photovoltaic properties of two 5,6-bis(octyloxy)benzo[c][1,2,5]thiadiazole-containing wide-band-gap donor and acceptor D-π-A alternating conjugated polymers (HSD-a and HSD-b) have been reported. These two polymers absorb in the range of 300–700 nm with a band gap of about 1.88 and 1.97 eV. The HOMO energy levels were −5.44 eV for HSD-a and −5.63 eV for HSD-b. Polymer solar cells with HSD-b :PC71BM as the active layer demonstrated a power conversion efficiency (PCE) of 2.59% with a high Voc of 0.93 V, a Jsc of 7.3 mA/cm2, and a comparable fill factor (FF) of 0.38 under simulated solar illumination of AM 1.5G (100 mW/cm2) without annealing. In addition, HSD-a :PC71BM blend-based solar cells exhibit a PCE of 2.15% with a comparable Voc of 0.64 V, Jsc of 8.75 mA/cm−2, and FF of 0.40. © 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 41587.
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