期刊
JOURNAL OF HAZARDOUS MATERIALS
卷 420, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.jhazmat.2021.126648
关键词
Gold nanostructures; Toxic pollutants; Electrochemical sensor; Electrocatalysis; Degradation
资金
- National Research Foundation of Korea (NRF) [2020K2A9A1A06103609, 2019H1D3A1A01071209, 2020R1I1A1A01065748]
- Korea Basic Science Institute (National research Facilities and Equipment Center) - Ministry of Education [2019R1A6C1010042, 2021R1A6C103A427]
- National Research Foundation of Korea [2020K2A9A1A06103609] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
The research on gold nanostructures has been extensively documented over the last few decades, focusing on synthesizing and characterizing these structures for applications in environmental remediation and electrochemical sensing. Current studies are mainly centered on the utilization of gold nanostructures in these areas, as well as the detection methods for various target analytes and degradation of toxic contaminants.
The intensive research on the synthesis and characterization of gold (Au) nanostructures has been extensively documented over the last decades. These investigations allow the researchers to understand the relationships between the intrinsic properties of Au nanostructures such as particle size, shape, morphology, and composition to synthesize the Au nano/hybrid nanostructures with novel physicochemical properties. By tuning the properties above, these nanostructures are extensively employed to detect and remove trace amounts of toxic pollutants from the environment. This review attempts to document the achievements and current progress in Aubased nanostructures, general synthetic and fabrication strategies and their utilization in electrochemical sensing and environmental remediation applications. Additionally, the applications of Au nanostructures (e.g., as adsorbents, sensing platforms, catalysts, and electrodes) and advancements in the field of electrochemical sensing of different target analytes (e.g., proteins, nucleic acids, heavy metals, small molecules, and antigens) are summarized. The literature survey concludes the existing methods for the detection of toxic contaminants at various concentration levels. Finally, the existing challenges and future research directions on electrochemical sensing and degradation of toxic contaminants using Au nanostructures are defined.
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