Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Video

Updated: Apr 30, 2026

Preparation of Polyoxometalate-based Photo-responsive Membranes for the Photo-activation of Manganese Oxide Catalysts
05:47

Preparation of Polyoxometalate-based Photo-responsive Membranes for the Photo-activation of Manganese Oxide Catalysts

Published on: August 7, 2018

7.1K

Electrostatically self-assembled polyoxometalates on molecular-dye-functionalized diamond.

Yu Lin Zhong1, Wibowo Ng, Jia-Xiang Yang

  • 1Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543.

Journal of the American Chemical Society
|December 4, 2009
PubMed
Summary

We immobilized phosphotungstic acid on boron-doped diamond, creating a robust molecular switch. This novel system enables controllable electronics and sensing applications, even in corrosive environments.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Li<sup>+</sup> intercalation chemistry on 2D transition metal dichalcogenides towards phase evolution, scalable production, and application.

National science review·2026
Same author

Two-dimensional melt growth of large-scale, single-crystalline hybrid organic-inorganic perovskite films.

Nature communications·2026
Same author

Charge Density Wave-Induced Highly Sensitive Terahertz Detection Based on a Large Nonlinear Hall Effect.

ACS nano·2026
Same author

Ti<sub>3</sub>C<sub>2</sub>T<sub>x</sub> (MXene)-Polystyrene Based Passivation for Perovskite Solar Cells With Enhanced Stability.

Small (Weinheim an der Bergstrasse, Germany)·2026
Same author

Deciphering Competitive Kinetics in Nitrate Reduction via Mechanistic Modeling: Impact of Ru and Pd Dopants on Reaction Selectivity.

Journal of the American Chemical Society·2026
Same author

Ferroelectric brightening of spin‑forbidden dark excitons in a WSe<sub>2</sub>/hybrid-perovskite heterostructure.

Nature communications·2026

Area of Science:

  • Electrochemistry
  • Materials Science
  • Nanotechnology

Background:

  • Boron-doped diamond (BDD) is a versatile electrode material.
  • Polyoxometalates (POMs) like phosphotungstic acid (PTA) have unique redox properties.
  • Surface functionalization is key to tailoring electrode performance.

Purpose of the Study:

  • To immobilize phosphotungstic acid (PTA) on a boron-doped diamond (BDD) surface.
  • To investigate the electrochemical properties of the resulting inorganic/organic bilayer.
  • To explore applications in molecular switching, electronics, and sensing.

Main Methods:

  • Electrostatic self-assembly of PTA onto pyridinium dye-functionalized BDD.
  • Fabrication of an inorganic/organic bilayer structure on BDD.

More Related Videos

High Resolution Physical Characterization of Single Metallic Nanoparticles
09:56

High Resolution Physical Characterization of Single Metallic Nanoparticles

Published on: June 28, 2019

4.9K
Bio-inspired Polydopamine Surface Modification of Nanodiamonds and Its Reduction of Silver Nanoparticles
07:58

Bio-inspired Polydopamine Surface Modification of Nanodiamonds and Its Reduction of Silver Nanoparticles

Published on: November 14, 2018

8.0K

Related Experiment Videos

Last Updated: Apr 30, 2026

Preparation of Polyoxometalate-based Photo-responsive Membranes for the Photo-activation of Manganese Oxide Catalysts
05:47

Preparation of Polyoxometalate-based Photo-responsive Membranes for the Photo-activation of Manganese Oxide Catalysts

Published on: August 7, 2018

7.1K
High Resolution Physical Characterization of Single Metallic Nanoparticles
09:56

High Resolution Physical Characterization of Single Metallic Nanoparticles

Published on: June 28, 2019

4.9K
Bio-inspired Polydopamine Surface Modification of Nanodiamonds and Its Reduction of Silver Nanoparticles
07:58

Bio-inspired Polydopamine Surface Modification of Nanodiamonds and Its Reduction of Silver Nanoparticles

Published on: November 14, 2018

8.0K
  • Electrochemical characterization of electron transfer and photocurrent generation.

    • Main Results:

    • Successful immobilization of PTA on BDD via electrostatic self-assembly.
    • Demonstration of fast, surface-confined, reversible electron transfer.
    • Controllable electrical stripping and regeneration of PTA.
    • PTA acted as a molecular switch, reversing photocurrent direction.
    • The system showed robustness in corrosive media, outperforming ITO electrodes.

    Conclusions:

    • The PTA-BDD system offers a stable and controllable platform for molecular electronics.
    • This approach enables novel sensing applications and photocurrent conversion.
    • The BDD platform provides a robust alternative to traditional electrode materials in harsh conditions.