• We present the synthesis and characterisation of poly(2-(2',5'-bis(2?-ethylhexyloxy)phenyl)-1, 4-phenylenevinylene) (BEHP-PPV) polymerised under different conditions. The photoluminescence efficiencies (?PL) in the solid state of BEHP-PPV obtained at 144°C and 0°C are 28% and 60%, respectively. Polymerisation temperatures below 0°C decreases the molecular weight without changing the photoluminescence efficiency to any large extent.

Nyckelord

Nuclear magnetic resonance spectroscopy

Photoluminescence

Poly(phenylene vinylene) and derivatives

Synthesis

TECHNOLOGY

TEKNIKVETENSKAP

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