We have synthesized a zinc benzodiazaporphyrin trans-substituted by a di-(3,5-tert-butyl)phenyl and 4-phenyl carboxylic acid groups (coded CROSSDAP). This new dye has been characterized by UV–vis absorption and emission spectroscopy, electrochemical measurements and modeled using TD-DFT calculations. CROSSDAP exhibits interesting absorption properties which resemble those of a zinc phthalocyanine;
我们已经合成了被二-(3,5-叔丁基)苯基和4-苯基
羧酸基团(编码为CROSSDAP)反式取代的苯并二氮杂
卟啉锌。这种新型
染料已通过紫外可见吸收和发射光谱,电
化学测量进行了表征,并使用TD-DFT计算进行了建模。CROSSDAP表现出令人感兴趣的吸收特性,类似于
酞菁锌。那是一个强烈的Q波段,位于685 nm。CROSSDAP用作具有
碘化物/三
碘化物电解质的纳米晶TiO 2基
染料敏化太阳能电池的敏化剂。在
AM1.5下,太阳能电池的功率转换效率达到3.37%,在680 nm处的IPCE值超过40%。CROSSDAP可以轴向结合被Bodipy
染料取代的
咪唑配体。当用作电解质中的添加剂时,后一种天线可放大CROSSDAP在450–550 nm范围内的光收集效率,该功能可将光电流增加至8.40 mA / cm 2,导致PCE达到3.82%。总的来说,这些结果表明反式取代的苯二氮杂
卟啉是DSSC的有吸