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: May 11, 2026

Synthesis of Near-Infrared Emitting Gold Nanoclusters for Biological Applications
09:11

Synthesis of Near-Infrared Emitting Gold Nanoclusters for Biological Applications

Published on: March 22, 2020

Probing Complex Photophysics in Gold Nanoclusters.

Luis E Llanes-Montesino1, Gonzalo Angulo2, Jiangtao Zhao3

  • 1Department of Physical Chemistry, Faculty of Sciences (II), University of Geneva, 30 quai Ernest-Ansermet, CH-1211 Genève 4, Switzerland. luisentuqm@gmail.com.

Chimia
|May 9, 2026
PubMed
Summary

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

Heteroleptic [Cr<sup>III</sup>N<sub>6</sub>] Chromophores as Partners for Lanthanide-Based Light Conversion in d-f Molecular Complexes.

Molecules (Basel, Switzerland)·2026
Same authorSame journal

Shining Light on Chiral Monolayer-protected Metal Clusters.

Chimia·2026
Same author

Stereocontrol as a tool for shaping abiotic, sequence-defined oligourethanes.

Polymer chemistry·2026
Same author

Chirality Transfer in Gold Nanoclusters: Insights from Chiral Spectroscopy and Theoretical Modeling.

ACS physical chemistry Au·2026
Same author

Assessing Image Quality and Diagnostic Performance of Quadruple-Low Coronary CT Angiography with Deep Learning in High-BMI Patients.

Academic radiology·2026
Same author

Framework Flexibility Governs Molecular Accessibility and Selectivity in Zeolite Catalysts.

JACS Au·2026
Same journal

How Much Chirality is Enough?

Chimia·2026
Same journal

Raman Optical Activity (ROA) as an Emerging Standard in Molecular Chirality Measurements - A Perspective.

Chimia·2026
Same journal

Molecular Chirality: From Structure to the Quantum Dynamics of Tunnelling, Parity Violation, a Molecular Quantum Switch and the Possible Astrophysical Detection of Homochirality as a Signature of Extraterrestrial Life.

Chimia·2026
Same journal

Spin Depolarization Mechanisms in Halide Perovskite Semiconductors.

Chimia·2026
Same journal

New Insights into Circularly Polarized Luminescence from Chromium(III) Spin-Flip Emitters.

Chimia·2026
See all related articles
This summary is machine-generated.

We observed unusual photophysical behaviors in gold nanoclusters (Au25(PET)18), including low-energy light emission and excitation-dependent properties that challenge established photophysics rules.

Area of Science:

  • Materials Science
  • Nanotechnology
  • Photochemistry

Background:

  • Gold nanoclusters exhibit unique optical properties.
  • Understanding their photophysics is crucial for applications.

Purpose of the Study:

  • To investigate the photophysical behavior of Au25(PET)18 nanoclusters.
  • To characterize both anionic and neutral forms.

Main Methods:

  • Steady-state and time-resolved spectroscopy.
  • Broad spectral coverage and tuneable excitation.
  • Characterization of Au25(PET)18 (PET = 2-phenylethanethiol) nanoclusters.

Main Results:

  • Observed low-energy absorption and emission features.
  • Detected weak photoluminescence and multiexponential decay.
Keywords:
Excitation dynamicsGold nanoclusterLuminescencePhotophysics

More Related Videos

A Rapid and Quantitative Fluorimetric Method for Protein-Targeting Small Molecule Drug Screening
08:34

A Rapid and Quantitative Fluorimetric Method for Protein-Targeting Small Molecule Drug Screening

Published on: October 16, 2015

Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle
15:06

Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle

Published on: January 3, 2016

Related Experiment Videos

Last Updated: May 11, 2026

Synthesis of Near-Infrared Emitting Gold Nanoclusters for Biological Applications
09:11

Synthesis of Near-Infrared Emitting Gold Nanoclusters for Biological Applications

Published on: March 22, 2020

A Rapid and Quantitative Fluorimetric Method for Protein-Targeting Small Molecule Drug Screening
08:34

A Rapid and Quantitative Fluorimetric Method for Protein-Targeting Small Molecule Drug Screening

Published on: October 16, 2015

Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle
15:06

Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle

Published on: January 3, 2016

  • Neutral Au25(PET)18 showed excitation-wavelength-dependent emission, violating Kasha's and Vavilov's rules.

    • Conclusions:

    • The photophysical behavior of Au25(PET)18 is complex.
    • Instrumentation design is critical for accurate characterization.
    • These findings advance the understanding of noble metal nanocluster photophysics.