Related Experiment Video
Updated: Jun 22, 2026
13:09
Assessment of Boron Doped Diamond Electrode Quality and Application to In Situ Modification of Local pH by Water Electrolysis
Published on: January 6, 2016
Clicking ferrocene groups to boron-doped diamond electrodes
Manash R Das1, Mei Wang, Sabine Szunerits
1Institut de Recherche Interdisciplinaire (IRI, USR-CNRS 3078) and Institut d'Electronique, de Microélectronique et de Nanotechnologie (IEMN,UMR-CNRS 8520), Cité Scientifique, 59652, Villeneuve d'Ascq, France.
Chemical Communications (Cambridge, England)
|June 18, 2009
Summary
Researchers covalently linked ethynyl ferrocene to azide-terminated boron-doped diamond surfaces via click chemistry. This surface modification was confirmed using X-ray photoelectron spectroscopy and electrochemical methods.
Area of Science:
- Materials Science
- Surface Chemistry
- Electrochemistry
Background:
- Boron-doped diamond (BDD) is a versatile material with applications in electrochemistry and sensing.
- Surface functionalization is crucial for tailoring the properties of BDD for specific applications.
- Click chemistry offers a reliable and efficient method for surface modification.
Purpose of the Study:
- To demonstrate the covalent attachment of ethynyl ferrocene to azide-terminated BDD surfaces.
- To investigate the effectiveness of click chemistry for functionalizing BDD.
- To characterize the modified surfaces using various analytical techniques.
Main Methods:
- Azide-terminated BDD surfaces were prepared.
- Ethynyl ferrocene was attached to the azide-terminated BDD using copper-catalyzed azide-alkyne cycloaddition (click chemistry).
- Surface characterization was performed using X-ray photoelectron spectroscopy (XPS), water contact angle measurements, and electrochemical techniques.
Main Results:
- Successful covalent linking of ethynyl ferrocene to the BDD surface was confirmed by XPS, showing characteristic signals of ferrocene.
- Water contact angle measurements indicated a change in surface hydrophobicity after functionalization.
- Electrochemical measurements demonstrated the successful immobilization of electroactive ferrocene moieties on the BDD surface.
Conclusions:
- Click chemistry provides an efficient route for the covalent functionalization of azide-terminated BDD surfaces with ethynyl ferrocene.
- The modified BDD surfaces exhibit altered surface properties and retain electrochemical activity.
- This approach enables the development of novel BDD-based electrochemical sensors and devices.
