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Cited by 247Gold and Silver Nanoparticles Synthesis and ApplicationsLaser-Ablation Synthesis of NanoparticlesNanocluster Synthesis and Applications

The DOI matches its Crossref record; 97 of the 97 references it cites were found in a registry or an index.

In Situ Determination of Colloidal Gold Concentrations with UV–Vis Spectroscopy: Limitations and Perspectives

Hendel, Thomas, Wuithschick, Maria, Kettemann, Frieder, Birnbaum, Alexander, Rademann, Klaus, Polte, Jörg·2014·Analytical Chemistry
DOI 10.1021/ac502053s
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Abstract

This paper studies the UV-vis absorbance of colloidal gold nanoparticles at 400 nm and validates it as a method to determine Au(0) concentrations in colloidal gold solutions. The method is shown to be valid with restrictions depending on the investigated system. The uncertainty of the determined Au(0) concentration can be up to 30%. This deviation is the result of the combined influence of parameters such as particle size, surface modification, or oxidation state. However, quantifying the influence of these parameters enables a much more precise Au(0) determination for specific systems. As an example, the reduction process of the well-known Turkevich method was monitored and the Au(0) concentration was determined with a deviation of less than 5%. Hence, a simple, fast, easy, and cheap in situ method for Au(0) determination is demonstrated that has in the presence of other gold species such as Au(III) an unprecedented accuracy.

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Metadata

Authors
Hendel, T., Wuithschick, M., Kettemann, F., Birnbaum, A., Rademann, K., & Polte, J.
Affiliations
Humboldt-Universität zu Berlin (DE)
Corresponding author
  • Rademann, Klaus
  • Polte, Jörg
ORCID
Venue
Analytical Chemistry
Publisher
American Chemical Society (ACS)
Published
2014-10-29
Volume
86
Issue
22
Pages
11115-11124
ISSN
  • 0003-2700 (ISSN-L)
  • 1520-6882
DOI
10.1021/ac502053s
OpenAlex
W2312797919
Cited by
235
References
97
Citations by year
2026: 15 · 2025: 26 · 2024: 30 · 2023: 30 · 2022: 27 · 2021: 21 · 2020: 22 · 2019: 19 · 2018: 21 · 2017: 5 · 2016: 15 · 2015: 4
FWCI
2.70
Type
journal article
Language
en
Open access
closed
Locations
  • Analytical Chemistry (publishedVersion)
  • PubMed (publishedVersion)
  • DIGITAL.CSIC (Spanish National Research Council (CSIC)) (submittedVersion)
Funders
  • Verband der Chemischen Industrie
  • Deutsche Forschungsgemeinschaft (PO 1744/1-1)
Topics
  • Physical Sciences › Materials Science › Electronic, Optical and Magnetic Materials › Gold and Silver Nanoparticles Synthesis and Applications
  • Physical Sciences › Materials Science › Materials Chemistry › Laser-Ablation Synthesis of Nanoparticles
  • Physical Sciences › Materials Science › Materials Chemistry › Nanocluster Synthesis and Applications
Keywords
colloidal gold nanoparticles, UV-Vis absorbance, in situ monitoring, Turkevich method, nanoparticle reduction, particle size effects, surface modification, oxidation state, measurement uncertainty

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