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Related Concept Videos

Photoelectric Effect02:26

Photoelectric Effect

When light of a particular wavelength strikes a metal surface, electrons are emitted. This is called the photoelectric effect. The minimum frequency of light that can cause such emission of electrons is called the threshold frequency, which is specific to the metal. Light with a frequency lower than the threshold frequency, even if it is of high intensity, cannot initiate the emission of electrons. However, when the frequency is higher than the threshold value, the number of electrons ejected...

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Related Experiment Video

Updated: Jun 11, 2026

Preparation of Polyoxometalate-based Photo-responsive Membranes for the Photo-activation of Manganese Oxide Catalysts
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Copper-Based Metal-Organic Framework as Photoelectric Material.

Chengxin Huang1, Yangyang Pan1, Yun Chen1

  • 1The Education Ministry Key Lab of Resource Chemistry, Shanghai Key Laboratory of Rare Earth Functional Materials, College of Chemistry and Materials Science. Shanghai Normal University, Shanghai, 200234, China.

Chemistry (Weinheim an Der Bergstrasse, Germany)
|March 13, 2025
PubMed
Summary

Researchers developed a novel copper-based metal-organic framework (Cu-MOF) with a 3D structure. This advanced material shows promise for lithium-ion battery anodes and sensitive detection of manganese dioxide (MnO₄⁻) using its photo-stimulated properties.

Keywords:
anode materialmetal-organic frameworkphoto-stimulated materialsensor material

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Area of Science:

  • Materials Science
  • Chemistry
  • Nanotechnology

Background:

  • Photo-stimulated polymers are key for advanced applications like optical memory and sensing.
  • Tuning pyridine-based photo-stimulated ligands by altering metal coordination and nitrogen position is crucial for novel material design.

Purpose of the Study:

  • To synthesize a novel 3D porous copper-based metal-organic framework (Cu-MOF) using a modified photo-stimulated ligand.
  • To investigate the photoelectric properties of the synthesized Cu-MOF for energy storage and sensing applications.
  • To compare the performance of the 3D Cu-MOF with previously reported 1D coordination polymers.

Main Methods:

  • Synthesis of a novel copper-based metal-organic framework (Cu-MOF) using 9,10-bis(di(pyridine-3-yl)methylene)-9,10-dihydroanthracene as the photo-stimulated ligand.
  • Structural analysis to confirm the 3D porous architecture.
  • Electrochemical testing to evaluate performance as a lithium-ion battery anode material.
  • Photoluminescence spectroscopy to assess sensing capabilities for MnO₄⁻ detection.

Main Results:

  • A novel 3D porous Cu-MOF was successfully synthesized, distinct from 1D coordination polymers.
  • The Cu-MOF demonstrated excellent photoelectric properties, suitable for lithium-ion battery anodes with high reversibility and stability.
  • The material exhibited significant photo-stimulated behavior under UV irradiation.
  • The photocyclized Cu-MOF (c-Cu MOF) showed high sensitivity and efficiency (Ksv = 5.24×10⁵ M⁻¹) in detecting MnO₄⁻ via fluorescence quenching.

Conclusions:

  • The synthesized 3D Cu-MOF is a multifunctional material with significant potential in energy storage and environmental sensing.
  • Structural modification from 1D to 3D architecture enhances material properties for practical applications.
  • The Cu-MOF's photo-stimulated characteristics enable advanced sensing capabilities for pollutants like MnO₄⁻.