Template-Assisted SnO2: Synthesis, Composition, and Photoelectrocatalytical Properties Full article
| Journal |
Catalysts
ISSN: 2073-4344 |
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| Output data | Year: 2023, Volume: 13, Number: 1, Article number : 168, Pages count : 14 DOI: 10.3390/catal13010168 | ||
| Tags | SnO2; band-gap; photoelectrocatalysis; template synthesis; XPS; Raman spectroscopy; flat-band potential; photocurrent | ||
| Authors |
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| Affiliations |
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Funding (1)
| 1 | Russian Science Foundation | 22-23-20208 |
Abstract:
A series of tin oxides were synthesized with polystyrene microspheres (250 nm) as the template. It was shown that an increase in the template content led to increasing specific pore volume and to the formation of bimodal pore structure with pores of 9 and 70 nm in diameter. Addition of cetyltrimethylammonium bromide (CTAB) during synthesis led to the formation of friable structures (SEM data), to an increase in the average pore diameter from 19 to 111 nm, and to the formation of macropores of 80–400 nm in size. All materials had similar surface properties and cassiterite structure with 5.9–10.8 nm coherent scattering region (XRD data). Flat-band potentials of the samples were determined and their photoelectrocatalytic properties to oxidation of water and methanol were studied in the potential range of 0.4–1.6 V RHE. It was shown that the sample obtained using CTAB was characterized by lower flat-band potential value, but appeared significantly higher photocurrent in methanol oxidation, which resulted from enhanced macro-meso-porous structure to facilitate methanol pore diffusion.
Cite:
Gribov E.
, Koshevoy E.
, Chikunova I.
, Parmon V.
Template-Assisted SnO2: Synthesis, Composition, and Photoelectrocatalytical Properties
Catalysts. 2023. V.13. N1. 168 :1-14. DOI: 10.3390/catal13010168 WOS Scopus РИНЦ AN OpenAlex
Template-Assisted SnO2: Synthesis, Composition, and Photoelectrocatalytical Properties
Catalysts. 2023. V.13. N1. 168 :1-14. DOI: 10.3390/catal13010168 WOS Scopus РИНЦ AN OpenAlex
Dates:
| Submitted: | Nov 30, 2022 |
| Accepted: | Jan 4, 2023 |
| Published print: | Jan 11, 2023 |
| Published online: | Jan 11, 2023 |
Identifiers:
| Web of science: | WOS:000914429800001 |
| Scopus: | 2-s2.0-85146765557 |
| Elibrary: | 54787092 |
| Chemical Abstracts: | 2023:200044 |
| OpenAlex: | W4315648785 |