Hirata Keisuke, Tomihara Ryohei, Kim Kuenhee, Koyasu Kiichirou, Tsukuda Tatsuya
Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.
Phys Chem Chem Phys. 2019 Aug 15;21(32):17463-17474. doi: 10.1039/c9cp02622c.
Atomically precise Au and Ag clusters protected by organic ligands can be viewed as chemically modified Au/Ag superatoms and have attracted interest as promising building units of functional materials and ideal platforms for studying the size-dependent evolution of structures and properties. Their structures, stability, and physicochemical properties have been characterized in solution and solid (or crystalline) phases by various methods conventionally used in materials science. However, novel and complementary information on their intrinsic stability and structures can be obtained by applying a variety of gas-phase methods, including mass spectrometry, ion mobility mass spectrometry, collision- or surface-induced dissociation mass spectrometry, photoelectron spectroscopy, and photodissociation mass spectrometry, to the chemically modified Au/Ag superatoms isolated in the gas phase. This perspective describes our recent efforts in the gas-phase studies on chemically synthesized Au/Ag superatoms.
由有机配体保护的原子精确的金和银团簇可被视为化学修饰的金/银超原子，并作为功能材料有前景的构建单元和研究结构与性质尺寸依赖性演变的理想平台而引起了关注。它们的结构、稳定性和物理化学性质已通过材料科学中常规使用的各种方法在溶液和固体（或晶体）相中进行了表征。然而，通过对气相中分离出的化学修饰金/银超原子应用各种气相方法，包括质谱、离子淌度质谱、碰撞或表面诱导解离质谱、光电子能谱和光解离质谱，可以获得有关其固有稳定性和结构的新颖且互补的信息。这篇综述描述了我们最近在化学合成金/银超原子气相研究方面的工作。
