Herein, three benzotriazole (BTA)-based polymers and a fused benzotriazole-based small molecule were constructed to realize a relatively high power conversion efficiency (PCE) of above 11% with a high open-circuit voltage… Click to show full abstract
Herein, three benzotriazole (BTA)-based polymers and a fused benzotriazole-based small molecule were constructed to realize a relatively high power conversion efficiency (PCE) of above 11% with a high open-circuit voltage (VOC) approaching 0.99 V.
               
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