Core Insights - The research team led by Professor Xiong Yujie from Anhui Normal University, in collaboration with the University of Science and Technology of China, has successfully created sub-nanometer high-entropy alloys using laser irradiation, which can incorporate up to ten different metal elements [1][2] - This innovative method overcomes traditional high-temperature synthesis limitations, allowing for the production of high-entropy alloys at milder conditions and achieving smaller particle sizes [1] Group 1: Research Methodology - The team utilized laser irradiation technology to achieve uniform mixing of multiple metals under mild conditions, resulting in the production of sub-nanometer high-entropy alloy particles [1] - The nanosecond pulsed laser rapidly increases the surface temperature of the particles to over 2000 degrees Celsius and then cools them at a rate exceeding one billion degrees per second, enabling precise control over particle size [1] Group 2: Applications and Performance - High-entropy alloys exhibit significant potential in the renewable energy sector, particularly as ideal catalyst materials due to their unique structure and properties [2] - The sub-nanometer high-entropy alloy composed of gold, platinum, ruthenium, rhodium, and iridium demonstrates exceptional catalytic activity and stability in hydrogen production through water electrolysis, outperforming current commercial platinum-carbon and ruthenium dioxide catalysts [2] - The new laser synthesis method greatly expands the material system and applicability of high-entropy alloys, potentially advancing their practical applications in energy and catalysis [2]

Core Insights - The research team at Anhui Normal University has successfully created sub-nanometer high-entropy alloys using laser irradiation, which allows for the mixing of up to ten different metal elements [1][2] - This innovative method overcomes traditional synthesis limitations by enabling uniform mixing of metals at mild conditions, resulting in smaller particle sizes [2] Group 1: Research Methodology - The team utilized nanosecond pulsed laser technology to rapidly heat particles to over 2000 degrees Celsius and then cool them at a rate exceeding one billion degrees per second, facilitating the creation of sub-nanometer high-entropy alloy particles [2] - This rapid heating and cooling process allows for the uniform dispersion and alloying of different metal elements, which was previously challenging due to the need for high temperatures and limited element combinations in traditional methods [2] Group 2: Applications and Implications - High-entropy alloys exhibit significant potential in various fields, particularly in renewable energy, serving as promising catalyst materials [2] - The newly developed laser synthesis method broadens the range of materials available for high-entropy alloys, potentially enhancing their application in critical areas [2] - The sub-nanometer high-entropy alloy composed of gold, platinum, ruthenium, rhodium, and iridium has demonstrated excellent hydrogen and oxygen production activity and stability as an electrolytic water catalyst [2]