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 Videos

Electron transfer in self-assembled orthogonal structures.

Anthony Harriman1, James P Rostron, Michèle Cesario

  • 1Molecular Photonics Laboratory, School of Natural Sciences, Bedson Building, University of Newcastle, Newcastle upon Tyne NE1 7RU, United Kingdom. anthony.harriman@ncl.ac.uk

The Journal of Physical Chemistry. A
|June 30, 2006
PubMed
Summary

New molecular dyads combining bodipy and terpyridine subunits were synthesized. Zinc(II) binding to terpyridine quenches bodipy fluorescence via electron transfer, revealing temperature-dependent electron transfer dynamics.

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

Fluorescent Multiple-State Emitters Based on Benzonitrile-2-(2'-hydroxyphenyl)benzazoles (HBX).

The Journal of organic chemistry·2026
Same author

Extended Fused Carbazole-BODIPY, High Brightness NIR Organic Dyes.

Angewandte Chemie (International ed. in English)·2026
Same author

Design of heavy-atom-free dipyridomethene boron complexes for singlet oxygen emission with induced chirality.

Chemical communications (Cambridge, England)·2025
Same author

Resonance-Enhanced Excited-State Intramolecular Proton Transfer Emission by Base-Mediated Formation of α-Cyano-γ-lactone.

Organic letters·2025
Same author

Synthesis, Photophysical Properties, and Ab Initio Calculations of Dual Solution-Solid-State-Emitting Ethynyl-Extended Boranil Complexes.

The Journal of organic chemistry·2025
Same author

Long-Lived Excimer-Like Emission From a π-Stacked Trichromophore Comprising Perylene Monoimide and Perylene Diimide Units.

Chemistry (Weinheim an der Bergstrasse, Germany)·2025

Area of Science:

  • Supramolecular Chemistry
  • Photochemistry
  • Materials Science

Background:

  • Molecular dyads integrating distinct functional units offer tunable optoelectronic properties.
  • Pyrromethene (bodipy) and 2,2':6',2"-terpyridine (terpy) are versatile chromophores and ligands, respectively.
  • Understanding photoinduced electron transfer in well-defined architectures is crucial for molecular device development.

Purpose of the Study:

  • To synthesize and characterize novel molecular dyads composed of bodipy and terpyridine units.
  • To investigate the binding of zinc(II) cations to the terpyridine ligand and its effect on the bodipy chromophore.
  • To elucidate the mechanism and kinetics of photoinduced electron transfer and charge recombination in these dyads.

Main Methods:

  • Synthesis and full characterization of bodipy-terpyridine molecular dyads.

Related Experiment Videos

  • Spectroscopic techniques (absorption, fluorescence) to study electronic properties.
  • X-ray crystallography, NMR, and spectrophotometric titrations for structural and binding analysis.
  • Temperature-dependent fluorescence quenching studies to probe electron transfer dynamics.

    • Main Results:

    • Successful synthesis of two new bodipy-terpyridine molecular dyads.
    • Zinc(II) cations form 1:1 and 1:2 complexes with the terpyridine ligand.
    • Binding of Zn(II) leads to significant fluorescence quenching of the bodipy unit via intramolecular electron transfer.
    • Electron transfer exhibits temperature-dependent behavior, with activationless transfer at low temperatures and activated transfer at higher temperatures.

    Conclusions:

    • The synthesized molecular dyads enable efficient photoinduced electron transfer upon zinc(II) binding.
    • The study provides insights into electron transfer mechanisms, including nuclear tunneling and reorganization energy.
    • These findings contribute to the design of responsive molecular systems for potential applications in sensing or molecular electronics.