Electroluminescent and photovoltaic properties of an alternating copolymer containing hole transporting moieties

An alternating copolymer with hole transport chromophores and arylene vinylenes, poly [triphenylamine-alt-2, 5-dimethoxy-1, 4-phenylene vinylene] (TPA-DMOPPV) was synthesized through Wittig reaction. The polymer has good solubility, thermal stability and excellent film-forming property. The photophysical properties of TPA-DMOPPV were investigated systematically. Light emitting diodes (LEDs) and photovoltaic cells (PVCs) with the polymer as active layers were fabricated and characterized. It was found that the polymer is promising for ap plication in LEDs and PVCs.