ArticleScience advances2025
Evolution of coherent vibrations in atomically precise gold quantum rods with periodic elongation.
Article in Science advances, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Atomically Precise NHC-Protected Alkylgold Nanoclusters.Angewandte Chemie (International ed. in English) · 2026Article
- High-Purity Quantum Emission from an AuACS nano · 2026Article
- Photoluminescence of ligand-protected gold nanoclusters: progress in experimental and theoretical studies.Chemical science · 2026Review
- Gold Quantum Rods Emit in the Shortwave Infrared (1000-2200 nm) with 10Journal of the American Chemical Society · 2026Article
- Phase Engineering of Nanogold: Non-Close Packed Square Planes in A'B' Stacking with a 0.5 Å Channel.Advanced materials (Deerfield Beach, Fla.) · 2026Article
- Manipulating the Intersystem Crossing Process in Atomically Precise Gold Nanoclusters.The journal of physical chemistry letters · 2025Review
- Structural Flexibility-Driven Dual Emission Switching in Ultrathin Gold Nanorod Clusters.JACS Au · 2025Article
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Authors and funding
8 authors.
Funding
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Abstract
The coherent vibrational dynamics of gold nanorods with varying aspect ratios have been extensively studied by time-resolved spectroscopy to reveal their mechanical properties, but quantum-sized rods (transverse diameter < 2 nanometers) remain unexplored. Here, we present a comprehensive study on the coherent vibrations of atomically precise gold quantum rods with distinct energy gaps (0.6 to 1.3 electron volts), all sharing the same radial dimension but with increasing aspect ratios. Time-resolved spectroscopy reveals ultrafast internal conversion and intersystem crossing, along with oscillatory features superimposed on transient signals that unveil coherent vibrational dynamics. Two dominant modes are identified: a longitudinal mode scaling with rod length and a transverse mode independent of aspect ratio. Theoretical simulations support these findings and clarify the structural origins of the observed vibrational behavior. Our study provides a framework for designing atomically precise gold quantum rods with tailored optical and vibrational properties, advancing the understanding and application of anisotropic quantum materials.
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Registered trials
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