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Related Experiment Video

Updated: Apr 14, 2026

Gyroid Nickel Nanostructures from Diblock Copolymer Supramolecules

Gyroid Nickel Nanostructures from Diblock Copolymer Supramolecules

Published on: April 28, 2014

A platonic solid templating Archimedean solid: an unprecedented nanometre-sized Ag37 cluster.

Xiao-Yu Li¹, Hai-Feng Su, Kai Yu

¹Key Lab of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, People's Republic of China. dsun@sdu.edu.cn.

|April 18, 2015

Summary

Researchers created a novel, Td-symmetric silver-sulfur cluster with a unique truncated tetrahedron shell structure. This ball-shaped molecule exhibits green luminescence, offering a new synthetic route for high-nuclearity silver clusters.

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Last Updated: Apr 14, 2026

Gyroid Nickel Nanostructures from Diblock Copolymer Supramolecules

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Published on: April 28, 2014

Self-assembly of Complex Two-dimensional Shapes from Single-stranded DNA Tiles

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Indirect Fabrication of Lattice Metals with Thin Sections Using Centrifugal Casting

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Published on: May 14, 2016

Area of Science:

Inorganic Chemistry
Materials Science
Nanotechnology

Background:

Spontaneous formation of spherical nanosized molecules is common in nature.
Mimicking highly symmetric polyhedra from edge-sharing regular polygons remains a challenge.
Previous research has not achieved authentic structural mimicry of such complex polyhedra.

Purpose of the Study:

To synthesize a novel, highly symmetric, ball-shaped silver-sulfur cluster.
To investigate the structural and geometrical principles underlying its formation.
To explore the luminescent properties of the synthesized cluster.

Main Methods:

A one-pot synthesis process was employed using polymeric silver-sulfur precursors and silver trifluoroacetate.
Single crystal X-ray diffraction was used for detailed structural analysis.
Photoluminescence spectroscopy was performed to characterize optical properties.

Main Results:

A novel Td-symmetric, spherical silver-sulfur cluster, {(HNEt3)[Ag37S4(SC6H4(t)Bu)24(CF3COO)6(H2O)12]}, was successfully synthesized.
The cluster features a [Ag36(SC6H4(t)Bu)24] anion shell with Archimedean solid topology (truncated tetrahedron) enclosing a central AgS4 tetrahedron.
The cluster exhibits green luminescence centered at 515 nm at room temperature.

Conclusions:

The study presents a successful mimicry of highly symmetric polyhedra using edge-sharing polygons in a silver cluster.
The findings provide a promising synthetic protocol for high-nuclearity silver clusters based on geometrical principles.
The discovered luminescent properties open avenues for potential applications in optoelectronics.