Carbon dioxide recognition by rhodium(I) complexes studied by infrared and nuclear magnetic resonance spectroscopies and acoustic wave sensor
- 1 January 1995
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in The Analyst
- Vol. 120 (10) , 2529-2535
- https://doi.org/10.1039/an9952002529
Abstract
As a continuation of a previous study on CO2 recognition by a thickness-shear mode acoustic wave device coated with a hydroxy complex trans-[carbonylhydroxybis-(triphenylphosphine)rhodium(I)](complex I), the effects of temperature and interferents such as water, SO2 and NH3 on the frequency response of the coated device upon exposure to CO2 are reported. A methoxy analogue of the above complex (complex II) has been isolated as a solid. The surface conversion of this compound to complex I by water treatment and its capability for CO2 recognition have been studied using IR and 31P-{1H} NMR spectroscopies as well as with an acoustic wave sensor.Keywords
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