Ferrocene-functionalized carbon nanoparticles
Abstract
Carbon nanoparticles were synthesized from natural gas soot and functionalized with ferrocenyl moieties by using 4-ferrocenylphenyldiazonium as the reactive precursor. The incorporation of the ferrocenyl units onto the carbon nanoparticle surface was confirmed by varied spectroscopic measurements. For instance, in FTIR measurements the characteristic vibrational bands of the ferrocenyl and phenyl moieties could be clearly identified. XPS measurements showed that there were approximately 31.9 ferrocenyl units per nanoparticle. UV-vis spectroscopic measurements displayed an absorption band at ca. 465 nm which was consistent with the optical characteristics of ferrocenyl derivatives. Furthermore, with surface functionalization by the ferrocenyl moieties, the photoluminescence of the carbon nanoparticles was found to diminish in intensity and red-shift in energy with the addition of NOBF(4). This was accounted for by the formation of varied electron-accepting moieties on the particle surface, such as positively charged ferrocenium, quinone-like derivatives, and nitrosation of the aromatic rings of the graphitic cores. Interestingly, in electrochemical studies the nanoparticle-bound ferrocenyl moieties were found to exhibit two pairs of voltammetric waves with a difference of their formal potentials at about 78 mV, suggesting nanoparticle-mediated intraparticle charge delocalization at mixed valence as a result of the strong core-ligand covalent bonds and the conductive sp(2) carb…
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Presence of carbon nanomaterial in smoke is well-established.
“The presence of carbon nanomaterial in smoke is not a new concept, but a well-established one.”
From A Fumigation-Based Surface Sterilization Approach for Plant Tissue Culture (2021) · cites this paper as [29]
Tur and BR smudges showed absorption bands identical to those expected of carbon nanoparticles in smoke smudges, confirming presence of nanoparticulate carbon in the smudges.
“Thus, as observed from Figure 4B, the Tur and BR smudges showed absorption bands identical to those expected of carbon nanoparticles in smoke smudges, confirming the presence of nanoparticulate carbon in the smudges.”
From A Fumigation-Based Surface Sterilization Approach for Plant Tissue Culture (2021) · cites this paper as [29]
The absorption maximum of Tur and BR smudges matches absorption characteristics of carbon nanoparticles obtained from natural gas soot reported by previous researchers.
“This matches the absorption characteristics of carbon nanoparticles obtained from natural gas soot reported by previous researchers [29].”
From A Fumigation-Based Surface Sterilization Approach for Plant Tissue Culture (2021) · cites this paper as [29]
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“This matches the absorption characteristics of carbon nanoparticles obtained from natural gas soot reported by previous researchers [29].”
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Self-citation
- Authors
- Song, Y., Kang, X., Zuckerman, N. B., Phebus, B., Konopelski, J. P., & Chen, S.
- Affiliations
- University of California, Santa Cruz (US)
- Corresponding author
- Chen, Shaowei
- Venue
- Nanoscale
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2011
- Volume
- 3
- Issue
- 5
- Pages
- 1984
- ISSN
- 2040-3364 (ISSN-L)
- 2040-3372
- OpenAlex
- W2155519340
- Cited by
- 34
- References
- 31
- Citations by year
- 2025: 1 · 2021: 2 · 2020: 3 · 2019: 2 · 2018: 3 · 2017: 3 · 2016: 6 · 2015: 5 · 2014: 2 · 2013: 2 · 2012: 4
- FWCI
- 1.35
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Nanoscale (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Science Foundation
- U.S. Department of Energy
- Division of Chemistry
- Lawrence Berkeley National Laboratory
- Topics
- Physical Sciences › Chemistry › Organic Chemistry › Ferrocene Chemistry and Applications
- Physical Sciences › Materials Science › Polymers and Plastics › Conducting polymers and applications
- Physical Sciences › Chemistry › Organic Chemistry › Fullerene Chemistry and Applications
- Keywords
- surface functionalization, photoluminescence quenching, ferrocenium, nitrosation, mixed-valence compounds, electrochemical redox behavior, near-infrared absorption, graphitic carbon
- MeSH terms
- Metallocenes, Ferrous Compounds, Luminescent Measurements, Materials Testing, Particle Size, Surface Properties, Nanoparticles
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