Chemiresistors Based on SnO2, TiO2 and SnO2/TiO2 Films for Possible Sensing of Na+ and Ca2+ ions
Semiconductor metal oxide films have been used in sensing-based applications, and they are typically prepared by vacuum deposition techniques. In this study, we used solution-processed semiconductor metal oxides to investigate their sensitivity for cations in aqueous solution. Specifically, solution...
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| Main Authors: | , , , |
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| Format: | text |
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Archīum Ateneo
2019
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| Subjects: | |
| Online Access: | https://archium.ateneo.edu/chemistry-faculty-pubs/155 https://ieeexplore.ieee.org/document/8906507/ |
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| Institution: | Ateneo De Manila University |
| Summary: | Semiconductor metal oxide films have been used in sensing-based applications, and they are typically prepared by vacuum deposition techniques. In this study, we used solution-processed semiconductor metal oxides to investigate their sensitivity for cations in aqueous solution. Specifically, solution-processed tin(IV) oxide (SnO 2 ), titanium dioxide (TiO 2 ) and a composite of SnO 2 /TiO 2 were deposited on fluorine-doped tin oxide (FTO) glass and these were tested for their chemiresistive properties when exposed to cationic species in solution. Techniques such as grazing incidence X-ray diffraction (GIXRD), scanning electron microscopy (SEM), atomic force microscopy (AFM), and the surface profiler were utilized to characterize the metal oxide films. |
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