Graphitic C3N4 Sensitized TiO2 Nanotube Layers: A Visible Light Activated Efficient Antimicrobial Platform
Jingwen Xu, Yan Li, Xuemei Zhou, Yuzhen Li, Zhi-Da Gao, Yan-Yan Song,, Patrik Schmuki
TL;DR
This study develops a simple one-step CVD method to create g-C3N4 coated TiO2 nanotubes, significantly improving their visible-light antimicrobial activity against E. coli.
Contribution
It introduces a novel, efficient fabrication technique for g-C3N4/TiO2 nanotube composites with enhanced visible-light antimicrobial properties.
Findings
High bactericidal efficiency against E. coli under visible light
Successful fabrication of g-C3N4/TiO2 nanotube nanocomposites
Enhanced visible-light response for antimicrobial applications
Abstract
In this work, we introduce a facile procedure to graft a thin graphitic C3N4 (g-C3N4) layer on aligned TiO2 nanotube arrays (TiNT) by one-step chemical vapor deposition (CVD) approach. This provides a platform to enhance the visible-light response of TiO2 nanotubes for antimicrobial applications. The formed g- C3N4/TiNT binary nanocomposite exhibits excellent bactericidal efficiency against E. coli as a visiblelight activated antibacterial coating.
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