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Updated: May 20, 2025

Combining Solid-state and Solution-based Techniques: Synthesis and Reactivity of ChalcogenidoplumbatesII or IV

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Published on: December 29, 2016

Rhodium-silver superatomic nanoclusters stabilized by diselenophosphate ligands.

Tzu-Hao Chiu¹, Michael N Pillay¹, Samia Kahlal²

¹Department of Chemistry, National Dong Hwa University, Hualien, 97401, Taiwan, Republic of China. chenwei@gms.ndhu.edu.tw.

|May 19, 2025

Summary

This summary is machine-generated.

This study introduces novel rhodium/silver alloy nanoclusters stabilized by selenium ligands. These unique nanoclusters exhibit distinct optical properties compared to their sulfur counterparts.

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Area of Science:

Inorganic Chemistry
Materials Science
Nanotechnology

Background:

Ligand replacement is a key strategy for synthesizing multifunctional nanoclusters.
Rhodium/silver alloy nanoclusters are of interest due to their unique properties.
Selenium-based ligands offer alternative stabilization compared to traditional sulfur ligands.

Purpose of the Study:

To synthesize and characterize the first rhodium/silver alloy nanoclusters stabilized by selenium-based ligands.
To investigate the structural and optical differences between selenium- and sulfur-stabilized nanoclusters.
To explore the potential of these new nanoclusters in materials science applications.

Main Methods:

Synthesis of Rh/Ag alloy nanoclusters using ligand replacement with selenium-based ligands.
Comprehensive characterization including UV-vis spectroscopy, photoluminescence, ESI mass spectrometry, and X-ray crystallography.
Density Functional Theory (DFT) analysis to understand structural and electronic properties.

Main Results:

Successfully synthesized three new Rh/Ag alloy nanoclusters: [RhH2Ag19{Se2P(OiPr)2}12] (1), [RhHAg20{Se2P(OiPr)2}12] (2), and [RhAg21{Se2P(OiPr)2}12] (3).
Structural analysis revealed similarities to sulfur analogs, with distinct silver atom positioning due to ligand bite distance differences.
Observed significant red shifts in absorption spectra and blue shifts in photoluminescence spectra compared to sulfur analogs.

Conclusions:

The first selenium-ligand-stabilized Rh/Ag alloy nanoclusters have been synthesized and characterized.
Selenium ligands influence nanocluster structure and optical properties differently than sulfur ligands.
These findings provide insights into the design and synthesis of novel multifunctional nanoclusters.