Green fabrication of Au and Pd decorated Fe nanocomposites for hydrogen peroxide detection. Issue 3 (June 2022)

• Record Type: Journal Article
• Authors: Wang, Fengxia; Hu, Hui; Feng, Xin; Ding, Xu; Wang, Wei; Zhang, Ji
• Is Part Of: Journal of environmental chemical engineering. Volume 10:Issue 3(2022)
• Publication Date: 2022-06
• Subjects: Green fabrication -- Hydrogen peroxide detection -- Natural materials-based; Chemical engineering -- Environmental aspects -- Periodicals; Environmental engineering -- Periodicals; Chemical engineering -- Environmental aspects; Environmental engineering; Periodicals; 660.0286
• DOI: 10.1016/j.jece.2022.107376
• Languages: English
• ISSNs: 2213-2929

Abstract

Abstract: Concerning chemical hazards, natural materials-based fabrication is highly praised for their safer and environmental-friendly fabrication. In this study, Au and Pd were modified on Fe nanoparticles, which was reduced by tea polyphenols. The as-synthesized probe (Tp-Fe/AuPd), was applied for hydrogen peroxide (H2 O2 ) detection. Physical characterizations showed that Au and Pd were successfully modified on the Fe nanoparticles surfaces. The electrochemical results showed that, Tp-Fe/AuPd demonstrated good anti-interference capacity, long-term stability and high sensitivity of 4.17 μA mM −1 cm −2 . Further, the probe can detect H2 O2 within concentration range of 0.1–10 mM, and an estimated limit of detection (LOD) of 9.53 mM, without the addition of enzymes or other extraneous materials. Graphical Abstract: ga1 Highlights: Au and Pd modified Fe nanocomposite was green fabricated. The building of Tp-Fe/AuPd only uses natural tea polyphenols. Tp-Fe/AuPd demonstrates good performance for H2 O2 detection.