Journal
PARTICLE & PARTICLE SYSTEMS CHARACTERIZATION
Volume 32, Issue 2, Pages 142-163Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ppsc.201400040
Keywords
metal nanocluster; superatom; fluorescence; electron dynamics; time-resolved
Funding
- Academia Sinica
- National Science Council (NSC) of Taiwan [99-2221-E-001-002-MY3, 99-2113-M-001-023-MY3]
- Australian Government through the Australian Renewable Energy Agency (ARENA)
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Atomically precise Au nanoclusters (NCs) have emerged as fascinating fluorescent nanomaterials and attracted considerable research interest in both fundamental research and practical applications. Due to enhanced quantum confinement, they possess extraordinary optical, electronic, and magnetic properties and therefore are very promising for a wide range of applications, including biosensing, bioimaging, catalysis, photonics, and molecular electronics. Remarkable progress has been reported for the fundamental understanding, synthesis techniques, and applications. In this review, the updated advances are summarized in Au NCs, including synthesis techniques, optical properties, and applications. In particular, we focus on the optical properties and electron dynamic processes. In addition, the progress in other noble metallic NCs is included in this Review, such as Ag, Cu, Pt, and alloy, which have attracted much research interest recently. Finally, an outlook is presented for such fascinating nanomaterials in both aspects of future fundamental research and potential applications.
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