Shuttling single metal atom into and out of a metal nanoparticle.

Nature communications (2017-10-12)
Shuxin Wang, Hadi Abroshan, Chong Liu, Tian-Yi Luo, Manzhou Zhu, Hyung J Kim, Nathaniel L Rosi, Rongchao Jin

It has long been a challenge to dope metal nanoparticles with a specific number of heterometal atoms at specific positions. This becomes even more challenging if the heterometal belongs to the same group as the host metal because of the high tendency of forming a distribution of alloy nanoparticles with different numbers of dopants due to the similarities of metals in outmost electron configuration. Herein we report a new strategy for shuttling a single Ag or Cu atom into a centrally hollow, rod-shaped Au

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Triphenylphosphine, ReagentPlus®, 99%
Copper(I) chloride, ReagentPlus®, purified, ≥99%