ArticleAdvanced materials (Deerfield Beach, Fla.)2021
Photoluminescence of Fully Inorganic Colloidal Gold Nanocluster and Their Manipulation Using Surface Charge Effects.
Article in Advanced materials (Deerfield Beach, Fla.), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed.
- Structural and optical properties of ligand-free noble metal nanoclusters synthesized by ns-pulsed laser ablation at the argon-water interface.Nanoscale advances · 2026Article
- Inhibition of Particle Growth During Single-Pulse Laser Fragmentation by Barrierless Adsorption of the Just-Formed Gold Nanoparticles on Graphene Oxide.Chemphyschem : a European journal of chemical physics and physical chemistry · 2026Article
- Rapid synthesis of subnanoscale high-entropy alloys with ultrahigh durability.Nature materials · 2026Article
- Two birds with one stone.Nature materials · 2026Article
- Time-resolved probing of laser-induced nanostructuring processes in liquids.Beilstein journal of nanotechnology · 2025Review
- Investigating Gold Deposition with High-Power Impulse Magnetron Sputtering and Direct-Current Magnetron Sputtering on Polystyrene, Poly-4-vinylpyridine, and Polystyrene Sulfonic Acid.Langmuir : the ACS journal of surfaces and colloids · 2024Article
- Isomeric Effects of AuACS nano · 2024Article
- Pulsed-Laser-Driven COSmall science · 2024Article
- The Origin of the Intracellular Silver in Bacteria: A Comprehensive Study using Targeting Gold-Silver Alloy Nanoparticles.Advanced healthcare materials · 2023Article
- Structural water molecules dominated p band intermediate states as a unified model for the origin on the photoluminescence emission of noble metal nanoclusters: from monolayer protected clusters to cage confined nanoclusters.Science and technology of advanced materials · 2023Review
- Metal nanoclusters: from fundamental aspects to electronic properties and optical applications.Science and technology of advanced materials · 2023Review
- Fabrication of avidin-stabilized gold nanoclusters with dual emissions and their application in biosensing.Journal of nanobiotechnology · 2022Article
- Influence of Pt Alloying on the Fluorescence of Fully Inorganic, Colloidal Gold Nanoclusters.Chemphyschem : a European journal of chemical physics and physical chemistry · 2022Article
- Covalent Attachment of Aggregation-Induced Emission Molecules to the Surface of Ultrasmall Gold Nanoparticles to Enhance Cell Penetration.Molecules (Basel, Switzerland) · 2022Article
- Photoluminescence of Fully Inorganic Colloidal Gold Nanocluster and Their Manipulation Using Surface Charge Effects.Advanced materials (Deerfield Beach, Fla.) · 2021Article
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Authors and funding
18 authors.
Funding
Abstract
Fully inorganic, colloidal gold nanoclusters (NCs) constitute a new class of nanomaterials that are clearly distinguishable from their commonly studied metal-organic ligand-capped counterparts. As their synthesis by chemical methods is challenging, details about their optical properties remain widely unknown. In this work, laser fragmentation in liquids is performed to produce fully inorganic and size-controlled colloidal gold NCs with monomodal particle size distributions and an fcc-like structure. Results reveal that these NCs exhibit highly pronounced photoluminescence with quantum yields of 2%. The emission behavior of small (2-2.5 nm) and ultrasmall (<1 nm) NCs is significantly different and dominated by either core- or surface-based emission states. It is further verified that emission intensities are a function of the surface charge density, which is easily controllable by the pH of the surrounding medium. This experimentally observed correlation between surface charge and photoluminescence emission intensity is confirmed by density functional theoretical simulations, demonstrating that fully inorganic NCs provide an appropriate material to bridge the gap between experimental and computational studies of NCs. The presented study deepens the understanding of electronic structures in fully inorganic colloidal gold NCs and how to systematically tune their optical properties via surface charge density and particle size.
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