Non-peripheral型アルキルフタロシアニンとPCBMの混合系における相転移とキャリヤ移動特性

抄録

The blend of liquid crystalline phthalocyanine and PCBM is an interesting system for the active layer of BHJ organic solar cells. However, the miscibility and phase separation properties of these compounds have not yet been clarified. In this work, phase behaviour of the blends was studied for the alkyl homologues of np-phthalocyanine liquid crystal. It was found that non-peripheral hexaalkylphthalocyanine (CnPcH2) shows alkyl chain length dependence on the miscibility with PCBM. Interestingly, some homologues exhibit the miscibility limit up to 25 mole% of PCBM in Colh mesophase and carrier mobility shows a maximum for the blends with a critical component ratio.