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Related Experiment Video

Updated: May 30, 2026

Synthesis of Bimetallic Pt/Sn-based Nanoparticles in Ionic Liquids
07:14

Synthesis of Bimetallic Pt/Sn-based Nanoparticles in Ionic Liquids

Published on: August 23, 2018

A general aqueous sol-gel route to Ln(2)Sn(2)O(7) nanocrystals.

Hua Cheng1, Liping Wang, Zhouguang Lu

  • 1College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, People's Republic of China.

Nanotechnology
|August 6, 2011
PubMed
Summary

This study presents a general aqueous sol-gel method for synthesizing rare earth stannate nanocrystals. The surfactant-assisted synthesis yields pure pyrochlore phase, with properties varying based on rare earth ionic radii.

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Area of Science:

  • Materials Science
  • Inorganic Chemistry
  • Nanotechnology

Background:

  • Rare earth stannates (Ln(2)Sn(2)O(7)) are important functional materials.
  • Controlling phase purity and crystal size is crucial for their properties.
  • Existing synthesis methods may have limitations in scalability or phase control.

Purpose of the Study:

  • To develop a general aqueous sol-gel route for synthesizing pure pyrochlore rare earth stannates.
  • To investigate the influence of rare earth ionic radii on material properties.
  • To explore potential applications in photoluminescence and catalysis.

Main Methods:

  • Aqueous sol-gel synthesis assisted by cetyltrimethyl ammonium bromide (CTAB) surfactant.
  • Formation of CTAB-inorganic lamellar structures followed by thermal decomposition at 800°C.

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Harvesting Solar Energy by Means of Charge-Separating Nanocrystals and Their Solids
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Published on: August 23, 2012

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Last Updated: May 30, 2026

Synthesis of Bimetallic Pt/Sn-based Nanoparticles in Ionic Liquids
07:14

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  • Characterization using thermogravimetric/differential thermal analysis (TG-DTA), X-ray diffraction (XRD), transmission electron microscopy (TEM), and selected-area electron diffraction (SAED).

    • Main Results:

    • Successful synthesis of a series of rare earth stannates (Ln(2)Sn(2)O(7)) with a pure pyrochlore phase.
    • Formation of nanocrystalline materials with tunable properties.
    • Photoluminescence (PL) and catalytic oxidation of carbon monoxide were investigated, showing significant dependence on rare earth ionic radii.

    Conclusions:

    • The developed aqueous sol-gel route is effective for producing pure pyrochlore rare earth stannate nanocrystals.
    • Rare earth ionic radius is a key factor influencing the photoluminescent and catalytic properties of these materials.
    • The synthesized rare earth stannates show promise for applications in luminescence and heterogeneous catalysis.