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Ferrocene-functionalized gold nanoparticles: study of a simple synthesis method and their electrochemical behavior

  • Sana SabahatEmail author
  • Naveed Kausar Janjua
  • Zareen Akhter
  • Muhammad Umair Hassan
Original Paper
  • 34 Downloads

Abstract

We report on a new synthesis protocol for functionalization of water-insoluble ferrocene derivative on gold nanoparticles (AuNPs) in aqueous media. 11-mercaptoundecylferrocene (HS-(CH2)11-ferrocene) (FcSH) was successfully conjugated on AuNPs in an aqueous phase with the help of different thiol-alkylated polyethyleneglycol (PEG) ligands. Cyclic voltammetry (CV) was carried out for a range of sets of ferrocene-functionalized Au nanoparticles (FcSH–AuNPs) which showed electrochemical (EC) adsorption due to dithiolated linkage/self-assembly of monolayers (SAMs) on gold electrode surface. Importantly, the redox activity, aqueous solubility and stability of FcSH–AuNPs were noticed to remain unchanged throughout the study.

Graphical abstract

Keywords

Thiolated ferrocene Functionalized gold nanoparticles Thiolated polyethylene glycol Cyclic voltammtery Dithiol monolayer Redox activity 

Notes

Acknowledgement

The author is thankful to COMSATS University for financial support.

Compliance with ethical standards

Conflict of interest

There is no conflict of interest.

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Copyright information

© Institute of Chemistry, Slovak Academy of Sciences 2018

Authors and Affiliations

  1. 1.Department of ChemistryCOMSATS UniversityIslamabadPakistan
  2. 2.Department of ChemistryQuaid-i-Azam UniversityIslamabadPakistan
  3. 3.School of EngineeringUniversity of BirminghamBirminghamUK

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