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Biomimetic TiO2 formation from interfacial sol-gel chemistry leading to new biomimetic Ag-Au/TiO2 photocatalysts
Author(s): Iman A. Jaffer Al-Timimi; Uche K. Onwukwe; Myles P. Worsley; Paul A. Sermon
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Paper Abstract

The surfaces of Portobello mushroom spores (PMS) have been used to produce Au and Ag nanoparticles, which are held thereon. They have then been overcoated with TiOx. These adsorbed more methyl orange (MO) pollutant from water than commercial P25 TiO2. After calcination they form biomimetic TiO2 (PMS) and removal of the biotemplate, they catalyse faster rates of MO from water (molecules/mg/s) than P25 anataserutile. Other biotemplates are now anticipated that will yield biomimetic photocatalysts with higher turnover number (s-1) removal of endocrine disrupters from water.

Paper Details

Date Published: 13 September 2016
PDF: 7 pages
Proc. SPIE 9928, Nanobiosystems: Processing, Characterization, and Applications IX, 99280E (13 September 2016); doi: 10.1117/12.2237609
Show Author Affiliations
Iman A. Jaffer Al-Timimi, Brunel Univ. (United Kingdom)
Uche K. Onwukwe, Brunel Univ. (United Kingdom)
Myles P. Worsley, Brunel Univ. (United Kingdom)
Paul A. Sermon, Brunel Univ. (United Kingdom)

Published in SPIE Proceedings Vol. 9928:
Nanobiosystems: Processing, Characterization, and Applications IX
Norihisa Kobayashi; Fahima Ouchen; Ileana Rau, Editor(s)

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