Effect of Ni‐Doping on the Optical, Structural, and Electrochemical Properties of Ag29 Nanoclusters DOI Creative Commons
Abdullah Ahmed Ali Ahmed, Shana Havenridge, Koustav Sahoo

et al.

Small, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 24, 2024

Abstract Atomically precise metal nanoclusters (NCs) can be compositionally controlled at the single‐atom level, but understanding structure‐property correlations is required for tailoring specific optical properties. Here, impact of Ni atom doping on optical, structural, and electrochemical properties atomically 1,3‐benzene dithiol (BDT) protected Ag 29 NCs studied. The Ni‐doped (NiAg 28 12 ) NCs, are synthesized using a co‐reduction method characterized electrospray ionization mass spectrometry (ESI MS), ion mobility (IMS), X‐ray photoelectron spectroscopy (XPS). Only single achieved despite changing precursor concentration. in exhibits enhanced thermal stability, electrocatalytic oxygen evolution reaction (OER) compared to parent NCs. Density functional theory (DFT) calculations predict geometry NiAg DFT also used study systematic effect metals such as Au, Cu, Pt into suggests that with Pt, d atomic orbitals contribute creating superatomic orbitals, which not seen other dopants or cluster. emission mechanism dominated by charge transfer from ligands core cluster regardless dopant.

Language: Английский

Recent advances in synthesis and properties of silver nanoclusters DOI
Xiaolin Liu,

Taeyoung Ki,

Guocheng Deng

et al.

Nanoscale, Journal Year: 2024, Volume and Issue: 16(26), P. 12329 - 12344

Published: Jan. 1, 2024

Achieving atomic precision in nanostructured materials is essential for comprehending formation mechanisms and elucidating structure-property relationships. Within the realm of nanoscience technology, atomically precise ligand-protected noble metal nanoclusters (NCs) have emerged as a rapidly expanding area interest. These clusters manifest quantum confinement-induced optoelectronic, photophysical, chemical properties, along with remarkable catalytic capabilities. Among coinage metals, silver distinguishes itself fabrication stable nanoclusters, primarily due to its cost-effectiveness compared gold. This minireview provides an overview recent advancements since 2020 synthetic methodologies ligand selections toward attaining NCs boasting minimum two free valence electrons. Additionally, it explores strategies fine-tuning optical properties. The discussion extends surface reactivity, how exposure ligands, heat, light induces transformations size structure. Of paramount significance are applications reactions energy conversion, supplemented by in-depth mechanistic insights. Furthermore, review delineates challenges outlines future directions NC field, eye design new functional prospective diverse technologies, including optoelectronics, fine synthesis.

Language: Английский

Citations

4
Epitaxial Growth of Silver Clusters from Ag57 to Ag72 via Laminating Multiple Different Anion Templates DOI Open Access
Kai Sheng, Bao‐Liang Han, Zhi Wang

et al.

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 31, 2024

The established capability of anion templates in precisely manipulating the size, geometry, and function metal clusters is well acknowledged. However, development a systematic methodology for orchestrating assembly silver clusters, particularly those encompassing multiple distinct types templates, remains elusive due to formidable synthetic challenge. In this work, we report two novel Ag57 Ag72, using three different respectively. features gyroscope-like monovalent cation with an Ag

Language: Английский

Citations

2
Epitaxial Growth of Silver Clusters from Ag57 to Ag72 via Laminating Multiple Different Anion Templates DOI
Kai Sheng, Bao‐Liang Han, Zhi Wang

et al.

Angewandte Chemie, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 31, 2024

Abstract The established capability of anion templates in precisely manipulating the size, geometry, and function metal clusters is well acknowledged. However, development a systematic methodology for orchestrating assembly silver clusters, particularly those encompassing multiple distinct types templates, remains elusive due to formidable synthetic challenge. In this work, we report two novel Ag57 Ag72 , using three different respectively. features gyroscope‐like monovalent cation with an Ag 3 triangle core sandwiched by one [SiW 9 O 34 ] 10− triad Cl − templates. By intentionally introducing third template, SO 4 2− structure expanded unprecedented (with 15 atoms epitaxially grown on top ) resembling tumbler, inside which layers are laminated seven parallel respect longitudinal orientation. It noteworthy that exhibits remarkable structural complexity represents pioneering achievement as first cluster incorporating addition, demonstrates significant advantage over particular terms applications such luminescent thermometers remote laser ignition. This work not only broadens horizon precise control structures through integration hetero‐anions but also lays solid foundation potential optical future.

Language: Английский

Citations

0
Effect of Ni‐Doping on the Optical, Structural, and Electrochemical Properties of Ag29 Nanoclusters DOI Creative Commons
Abdullah Ahmed Ali Ahmed, Shana Havenridge, Koustav Sahoo

et al.

Small, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 24, 2024

Abstract Atomically precise metal nanoclusters (NCs) can be compositionally controlled at the single‐atom level, but understanding structure‐property correlations is required for tailoring specific optical properties. Here, impact of Ni atom doping on optical, structural, and electrochemical properties atomically 1,3‐benzene dithiol (BDT) protected Ag 29 NCs studied. The Ni‐doped (NiAg 28 12 ) NCs, are synthesized using a co‐reduction method characterized electrospray ionization mass spectrometry (ESI MS), ion mobility (IMS), X‐ray photoelectron spectroscopy (XPS). Only single achieved despite changing precursor concentration. in exhibits enhanced thermal stability, electrocatalytic oxygen evolution reaction (OER) compared to parent NCs. Density functional theory (DFT) calculations predict geometry NiAg DFT also used study systematic effect metals such as Au, Cu, Pt into suggests that with Pt, d atomic orbitals contribute creating superatomic orbitals, which not seen other dopants or cluster. emission mechanism dominated by charge transfer from ligands core cluster regardless dopant.

Language: Английский

Citations

0