Articles tagged with Gold Clusters
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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...
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.
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.
Researchers found a high-velocity star ejected from a globular cluster at an extreme velocity of nearly 550 km/s, suggesting the presence of an intermediate-mass black hole. The star's similarities with the cluster's chemical composition and age provide strong evidence for the IMBH's existence.
Researchers uncover novel formation process for free-floating planetary-mass objects, which are cosmic nomads drifting freely through space. These objects can form directly through violent interactions between circumstellar disks in young star clusters.
Researchers developed two silver-based bimetallic clusters that increase Faradaic efficiency and yield of urea through charge polarization modulation. Ag14Pd outperforms Ag13Au5 in NO3RR, while Ag13Au5 excels in CO2RR with higher urea formation rates.
Hydrogen and carbon monoxide adsorb onto platinum atoms in nanoscale voids, with hydrogen diffusing faster due to smaller size. The team's findings highlight the importance of engineering voids for next-generation sensors and gas separation.
Researchers developed DiFC, a two-color diffuse flow cytometry system that detects rare cancer cells in the bloodstream without invasive methods. The technology provides insights into cancer progression and response to treatments by studying different subpopulations of cancer cells simultaneously.
Rice University chemists have discovered that gold nanoparticles are synthesized from gold buckyballs, a finding that could revolutionize nanoparticle synthesis. This discovery was made by Matthew Jones and Liang Qiao, who found that the commonly used golden 'seed' particles were actually cousins of the original buckyballs.
Researchers discuss tunable metal nanoclusters with hybrid inorganic-organic structures suitable for various applications. The clusters' physical properties can be modified via computational modeling and experimental characterization.
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.
New research evidence reveals gold nanoclusters can break the O-O bond by forming a novel one-dimensional gold-oxide phase. This mechanism is predicted to dominate at ambient conditions, enabling catalysts to use ambient oxygen in reaction processes.
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.
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.
Tiny gold nanoclusters exhibit distinctly chiral properties, dramatically affecting polarized light absorption. The clusters' unique structure and conduction electron circulation produce a helical effect comparable to naturally-helical structures.
Researchers at the Fritz Haber Institute developed a method to form nanometer-sized clusters and etch metal surfaces using ultrashort voltage pulses. This technique enables the creation of structures on the atomic scale, opening new avenues for electronics and micromachining.
Researchers at Georgia Institute of Technology have isolated massive gold-cluster molecules with exceptional quantum properties. The gold cluster materials can be used in single-electronics and exhibit charge-quantization effects, offering a breakthrough for nanoelectronic applications.
Researchers at Purdue University have developed an ultrathin film made from gold atoms that conducts electricity by allowing electrons to 'hop' one at a time. This new material, called linked cluster network, could lead to the development of more powerful computers and miniaturized electrical devices.