Details

Autor(en) / Beteiligte

• Zhou, Shaochen
• Duan, Yanyan
• Liu, Kai
• Ras, Robin H. A

Titel

Bright and stable gold nanocluster assemblies by silica/zirconia double-shell encapsulation

Ist Teil von

• Journal of materials chemistry. C, Materials for optical and electronic devices, 2022-07, Vol.1 (27), p.11-18

Ort / Verlag

Cambridge: Royal Society of Chemistry

Erscheinungsjahr

2022

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• Ultrasmall gold nanoclusters are fascinating fluorescent materials with many unique properties, yet, to render them highly luminescent and stable remains challenging. In this work, solvent-induced aggregates of gold nanoclusters are encapsulated in silica/zirconia nanostructures, realizing a significantly enhanced photoluminescence efficiency and stability. These silica and zirconia coated gold nanocluster aggregates achieved a photoluminescence quantum yield of ∼55%, with high resistance to photobleaching and water, due to the stabilization by the dual-oxide matrix. Furthermore, we demonstrate their suitability for visualizing latent fingerprints. Assemblies of gold nanoclusters are embedded in silica/zirconia nanostructures, enhancing the emission and stability significantly. These nanocomposites show promise in visualizing latent fingerprints on various substrates.