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Enantioresolution turns bright but racemic gold-silver clusters into circularly polarized emitters

Researchers successfully created circularly polarized emitters from racemic gold-silver clusters by separating them into mirror-image forms using chiral oxygen-donor ligands. The phosphate-protected enantiomer pair exhibited high photoluminescence quantum yields and luminescence dissymmetry factors.

SourceNational Institutes of Natural Sciences·JournalAdvanced Optical Materials·TypeExperimental study·DateSep 28, 2026

Growing a new, pencil-shaped structure of gold named “quantum needles”

Researchers at the University of Tokyo have successfully grown a novel pencil-shaped structure of gold nanoclusters, dubbed 'gold quantum needles'. These structures show responsiveness to near-infrared light, enabling higher-resolution biomedical imaging and more efficient light-energy conversion. The breakthrough could lead to targete...

SourceSchool of Science, The University of Tokyo·JournalJournal of the American Chemical Society·TypeExperimental study·DateSep 5, 2025

Tapping into the World’s largest gold reserves

Scientists from the University of Göttingen have made a groundbreaking discovery, finding ruthenium in volcanic rocks on the islands of Hawaii. The finding suggests that material from the Earth's core is leaking into the mantle above, challenging previous assumptions about the planet's internal dynamics.

SourceUniversity of Göttingen·JournalNature·TypeExperimental study·DateMay 22, 2025

Scientists uncover spin–catalytic activity correlation in single-atom and -electron tailored gold nanoclusters

Researchers develop novel synthesis method for multi-shelled gold clusters and precisely remove atoms to study magnetic spin influence on catalytic behavior. They find that spin density concentrates more on iodine atoms than sulfur atoms, indicating potential role in tuning catalytic properties.

SourceChinese Academy of Sciences Headquarters·JournalScience Advances·TypeExperimental study·DateApr 15, 2025

Highly charged ions melt nano gold nuggets

Scientists at TU Wien have developed a technique to control the shape and size of nano gold structures using highly charged ions. The experiment shows that the impact force is not the decisive factor, but rather the electrical charge of the ions, which deposits energy at the point of impact and disrupts the crystal structure of the gold.

SourceVienna University of Technology·JournalSmall·TypeExperimental study·DateMar 28, 2023

Nano sculptures in gold

Researchers have discovered unique structures of uncharged gold nano particles, which could lead to breakthroughs in catalysts for chemical reactions. The structures, formed by arranging seven gold atoms in a triangle with an additional vertex, were revealed through innovative combination of infrared spectrometry and mass spectrometry.

SourceMax-Planck-Gesellschaft·JournalScience·DateAug 1, 2008

Study reveals principles behind stability and electronic properties of gold nanoclusters

Researchers confirm the 'divide and protect' bonding structure in metallic gold nanoclusters, finding stability due to surface-chemical bonds and a filled electron shell. The study reveals distinct electronic properties and potential applications for nanoparticle chemistry.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalProceedings of the National Academy of Sciences·DateJul 14, 2008