Synthesis of peripherally tetra substituted neutral azophenoxy ZINC PHTHALOCYANINE (cas 14320-04-8) and its application in bulk hetero junction solar cells

Add time:07/28/2019    Source:sciencedirect.com

Neutral ZINC PHTHALOCYANINE (cas 14320-04-8) bearing 4-phenylazopohenoxy group at the periphery (ZnPc-4) has been synthesized from zinc acetate dihydrate Zn(CH3COO)2·2H2O and 4-(phenylazophenoxy)phthalonitrile. The synthesized zinc phthalocyanine ZnPc-4 was characterized using UV–visible, FTIR, 1H NMR and MALDI-TOF mass spectral measurements. Solution processed bulk hetero junction solar cells were fabricated using ZnPc-4 as the donor material and [6,6]-Phenyl C61 butyric acid methyl ester (PCBM) as the acceptor material. A power conversion efficiency of 0.69% was achieved by optimizing the donor:acceptor weight ratio. Variation in device performance with the donor:acceptor weight ratio was investigated using atomic force microscopy.

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