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Chlorination is often adopted in the synthesis of donor materials considering the obvious improvement on efficiency of organic photovoltaic (OPV) device. Thus the chlorination effect was firstly probed based on density functional theory (DFT) calculation, which shows that the chlorinated benzothiadiazole connected with two thiophene rings (BTClTT) fragment although has larger optical bandgap and relatively...
Recently, the non-fullerene acceptor ITIC has attracted a lot of attention in terms of its prominent performance in organic solar cell (OSC). A better match with the donor materials is critical for it, so we on one hand compared the match of two typical donors PBDB-T and PBQ-0F with ITIC trying to find the main difference between them. On the other hand, we designed two donors 1 and 2 based on the...
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