FU Tiexiang, CAO Jun, TAO Jun. SYNTHESIS OF GAS SENSITIVE COMPLEX OF 2,2′-BIPYRIDINE-1,1′-DIOXIDE WITH Cu(Ⅱ)AND ITS APPLICATION[J]. CIESC Journal, 2004, (1): 121-124.
FU Tiexiang, CAO Jun, TAO Jun. SYNTHESIS OF GAS SENSITIVE COMPLEX OF 2,2′-BIPYRIDINE-1,1′-DIOXIDE WITH Cu(Ⅱ)AND ITS APPLICATION[J]. CIESC Journal, 2004, (1): 121-124.DOI:
A gas sensitive complex was synthesized by reaction of 2
2′-bipyridine-1
1′-dioxide with CuCl2 in dimethylfor-mamide. The elemental analysis
IR
UV and molar conductivity indicated the composition of the complex as[Cu5(bipy O2)6Cl8]Cl2.The sensitivity properties study indicated that the complex showed good sensitivity and selectivity to ammonia.When working voltage was 3 V
the output voltage of the sensor manufactured by the complex increased suddenly from 66 to 1756 mV with the increase of ammonia conentration in the range of 0.05—0.40 mmol8226;L-1. When working voltage was 2 V
the output voltage of the sensor showed two sudden increase in the ammonia conentration range of 0.10—0.40 mmol8226;L-1 and 0.40—0.60 mmol8226;L-1.The increment was 450 and 960 mV.The sensor could be used in ammonia leak -alarm and in production processes to control NH3.