研究目的
To develop a novel transparent and nanostructured ion-sensitive electrode for potentiometric determination of pH, overcoming the limitations of commercial glass-based pH sensors.
研究成果
The developed transparent ion-sensitive film coupled with a low-cost and miniaturized electronic system shows promise for precise potentiometric measurements in point-of-care medical environments. It avoids the typical problems of commercial glass-based electrodes and is suitable for coupling with optical detection systems due to its high transparency.
研究不足
The correlation coefficient of the pH response was noted to be greater than 0.85, indicating room for improvement in linearity. Further measurements are suggested to enhance this aspect.
1：Experimental Design and Method Selection:
The study involves the fabrication of a transparent nanostructured ITO electrode coated with cobaltbis(dicarbollide)-doped poly(pyrrole) for pH sensing.
2：Sample Selection and Data Sources:
Commercial ITO pellets were used for electrode fabrication.
3：List of Experimental Equipment and Materials:
Pfeiffer Vacuum Classic 500 for electron beam evaporation, ITO pellets from Neyco, France.
4：Experimental Procedures and Operational Workflow:
The nanostructured ITO electrodes were grown by electron beam evaporation, followed by annealing. The electrodes were then coated with the doped PPy via electropolymerization.
5：Data Analysis Methods:
The potential response behavior was investigated in aqueous pH buffers, and a self-developed potentiostatic device was used for measurements.
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