Dresden 2026 – scientific programme
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BP: Fachverband Biologische Physik
BP 14: Poster Session II
BP 14.13: Poster
Tuesday, March 10, 2026, 18:00–21:00, P2
Synthesis and characterization of platinum (pt)-decorated se-tio2@fcnts nanocomposite and their photocatalytic antibacterial mechanism — •Asif kamal1, Akhtar munir2, Jinguang yang3, and Yingwen wang4 — 1Department of Plant Sciences Quaid-i-Azam University Islamabad, 45320 Islamabad, Pakistan. — 2Department of Chemistry, Quaid-i-Azam University Islamabad, 45320 Islamabad, Pakistan. — 3Key Laboratory of Tobacco Pest Monitoring, Controlling and Integrated Management, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao 266101, China: — 4Key Laboratory of Tobacco Pest Monitoring, Controlling and Integrated Management, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao 266101, China:
The development of efficient and sustainable antibacterial agents is crucial to address the growing threat of multidrug-resistant pathogens. In this study, we report the synthesis and characterization of a novel nanocomposite Pt-decorated selenium-doped titanium dioxide supported on functionalized carbon nanotubes (Pt/Se-TiO2@FCNTs) with enhanced photocatalytic antibacterial performance under visible light. This new material was synthesized through sol gel method by in situ pt NPs decoration to achieved uniform dispersion and strong interfacial coupling between the components. Comprehensive characterization using XRD, TEM, SEM-EDS, FTIR, Raman, XPS and UV confirmed successful Se doping, Pt decoration, and improved optical absorption in the visible range. The photocatalytic antibacterial activity was evaluated against E. coli and Ralstonia solanacearum.
Keywords: Carbon nanotubes; Se-TiO₂ nanocomposite; Reactive oxygen species generations; photocatalytic antibacterial machinimas; Pt decoration