银二十面体纳米团簇(Ag213

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清华大学发表最新Science论文
生物世界· 2025-08-29 08:10
Core Viewpoint - The article discusses a significant research breakthrough by a team led by Professor Wang Quanming from Tsinghua University, focusing on the structural evolution of silver nanoclusters, specifically icosahedral forms, which are essential for understanding their unique properties [1]. Group 1 - The research published in the journal Science details the synthesis of two giant silver icosahedral nanoclusters containing 213 and 429 silver atoms, serving as model systems for studying the formation process of icosahedra [1][3]. - X-ray diffraction studies indicate that these nanoclusters possess a multilayer structure, supporting a gradual evolution process from nuclei to seeds [1][3]. - The emergence of surface plasmon resonance confirms the metallic characteristics of these silver nanoclusters, highlighting their potential applications in various fields [1][3]. Group 2 - The study successfully utilized ligand engineering and kinetic control to synthesize the two types of giant silver nanoclusters, Ag213 and Ag429, with specific ligands that enhance their stability and properties [3]. - Ag429 is noted as the largest reported silver nanocluster containing 260 valence electrons, showcasing the advancements in nanomaterial synthesis [3]. - The research reveals the atomic-level precise structure of the silver icosahedra, elucidating the layered evolution mechanism from nuclei to seeds [3].