Antimicrobial Materials for Water Disinfection Based on Visible-Light Photocatalysts

The photocatalytic property of these visible-light-active photocatalysts were studied in the inactivation of bacteria and bacterial spores in water. Fast killing rate was obtained for the inactivation of E. coli, P. aeruginosa, S. aureus and B. subtilis endospores. The results of mechanistic study provided evidence of oxidative damages, and indicated that hydroxyl radicals are one of the key killing species. Atomic force microscopy and electron microscopy showed that the cell walls were attacked by photocatalytic inactivation. The potential application of the photocatalyst in water disinfection was demonstrated by flow-through tests.

Name thesis:degree_name

Ph.D.

Level thesis:degree_level

Dissertation

Discipline thesis:degree_discipline

Materials Science and Engineering

Grantor

University of Illinois at Urbana-Champaign

Year dc:date

2015

Author dc:creator

• Wu, Pinggui

Contributors dc:contributor

• Zhong, Sheng

• Engineering, Materials Science

Language dc:language

eng

Identifier

(MiAaPQ)AAI3301262

OAI identifier oai:identifier

oai:www.ideals.illinois.edu:2142/82816