Servicios Personalizados
Articulo
Indicadores
Links relacionados
- Citado por Google
- Similares en Google
Compartir
South African Journal of Chemistry
versión On-line ISSN 1996-840X
versión impresa ISSN 0379-4350
Resumen
ERASMUS, Elizabeth. Truncated Edge Cuprous Oxide Cube Architecture for Reduction of Nitrophenols. S.Afr.j.chem. (Online) [online]. 2021, vol.75, pp.106-110. ISSN 1996-840X. http://dx.doi.org/10.17159/0379-4350/2021/v75a12.
Truncated cubic Cu-oxide nanocrystals with edge lengths of ca. 600 nm were prepared employing the low-cost copper (II) chloride as the precursor. XRD revealed that the truncated cubic Cu-oxide nanocrystals are present in both the CuI and Cu0 state. XPS characterisation gives insight into the amount of each state present in the as-prepared, oxidised, reduced and recovered catalyst species. The catalytic activity of the truncated cubic Cu-oxide nanocrystals was tested for the reduction of nitrophenols using NaBH4. After one catalytic cycle of the reduction of 4-nitrophenol, the activity almost halved. The SEM images revealed that the recovered catalyst showed some disfigurement of the structure, and XPS confirmed the reduction of the CuI to metallic Cu0.
Palabras clave : Cu-oxide; truncated cubic nanocrystal; nitrophenol; catalysis; X-ray photoelectron spectroscopy.