Carbon dioxide recognition by rhodium(I) complexes studied by infrared and nuclear magnetic resonance spectroscopies and acoustic wave sensor

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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Original languageEnglish
Pages (from-to)2529-2535
Journal / PublicationThe Analyst
Issue number10
Publication statusPublished - 1995
Externally publishedYes


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.

Research Area(s)

  • Carbon dioxide recognition, Thickness-shear mode acoustic wave sensor, Trans-[carbonylhydroxybis-(triphenylphosphine)rhodium(I)], Trans-[carbonylmethoxybis(triphenylphosphine)rhodium(I)]

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