J. Mater. Sci. Technol. ›› 2020, Vol. 38: 7-18.DOI: 10.1016/j.jmst.2019.08.020
• Research Article • Previous Articles Next Articles
Mir Ghasem Hosseiniab*(), Pariya Yardani Sefidia, Ahmet Musap Mertc, Solen Kinayyigitc
Received:
2019-03-30
Revised:
2019-07-20
Accepted:
2019-08-07
Published:
2020-02-01
Online:
2020-02-10
Contact:
Ghasem Hosseini Mir
Mir Ghasem Hosseini, Pariya Yardani Sefidi, Ahmet Musap Mert, Solen Kinayyigit. Investigation of solar-induced photoelectrochemical water splitting and photocatalytic dye removal activities of camphor sulfonic acid doped polyaniline -WO3- MWCNT ternary nanocomposite[J]. J. Mater. Sci. Technol., 2020, 38: 7-18.
Fig. 10. Absorption spectra of MB in the presence of (a) WO3 NPs, (b) CSA PANI, (c) CSA PANI-WO3, (d) CSA PANI-WO3-CNT; (e) the photodegradation efficiency versus irradiation time, (f) calculated pseudo-first-order rate constants of photocatalysts.
Fig. 12. (a) Linear sweep voltammograms, (b) variation of the photoconversion efficiency vs. potential of the ITO/WO3, ITO/CSA PANI, ITO/CSA PANI-WO3, and ITO/CSA PANI-WO3-CNT photoanodes in dark and under illumination.
Fig. 13. (a1, a2) Nyquist, (b1, b2) Bode plots of ITO/WO3, ITO/CSA PANI, ITO/CSA PANI-WO3 and ITO/CSA PANI-WO3-CNT photoelectrodes and (c) equivalent circuit model for fitting EIS data.
Compound | Rct dark (Ω cm2) | Rct illumination (Ω cm2) |
---|---|---|
Pure WO3 | 11210 | 7720 |
Pure CSA PANI | 9501 | 5530 |
CSA PANI-WO3 | 9095 | 2441 |
CSA PANI-WO3-CNT | 2641 | 1165 |
Table 1 Obtained charge transfer resistance values for WO3, CSA PANI, CSA PANI-WO3 and CSA PANI-WO3-CNT coatings on ITO electrode in dark and under illumination.
Compound | Rct dark (Ω cm2) | Rct illumination (Ω cm2) |
---|---|---|
Pure WO3 | 11210 | 7720 |
Pure CSA PANI | 9501 | 5530 |
CSA PANI-WO3 | 9095 | 2441 |
CSA PANI-WO3-CNT | 2641 | 1165 |
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