Du, Xiangsha published the artcileSingle-electron charging and ultrafast dynamics of bimetallic Au144-xAgx(PET)60 nanoclusters, Application of 2-Phenylethanethiol, the publication is Nano Research (2022), 15(9), 8573-8578, database is CAplus.
Alloying is an important strategy in tailoring the functionality of materials. In metal nanoclusters (NCs), the introduction of a heterometal leads to alloy nanoclusters that often outperform the homometal ones in terms of the phys. and chem. properties. In this work, a series of four M144(PET)60 alloy NCs (where, M = Au/Ag, PET = -SCH2CH2Ph) are synthesized and characterized. The silver doping into the homogold template (Au144) leads to more prominent optical absorption features in the steady-state spectrum in the visible range. Femtosecond transient absorption spectroscopy reveals the effect of Ag doping on the electronic relaxation dynamics compared to Au144 and the pump fluence independent dynamics. Electrochem. results reflect a narrowing of HOMO-LUMO gap (Eg) induced by Ag doping. A temperature dependence of the single-electron charging is also observed for the series of alloy NCs, in which the Eg values of the alloy NCs enlarge as the temperature decreases, which is characteristic of semiconducting behavior. [graphic not available: see fulltext]
Nano Research published new progress about 4410-99-5. 4410-99-5 belongs to alcohols-buliding-blocks, auxiliary class Thiol,Benzene, name is 2-Phenylethanethiol, and the molecular formula is C8H10S, Application of 2-Phenylethanethiol.
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