Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 137, Issue 4, Pages 1444-1447Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja513120u
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Funding
- MOE under AcRF [ARC 10/10, MOE2010-T2-1-060, 2012-T1-001-161]
- MOE under Start-Up Grant in Singapore [M4080865.070.706022]
- Singapore National Research Foundation
- Campus for Research Excellence and Technological Enterprise (CREATE) program
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Assembly of noble metal nanocrystals into free-standing two-dimensional (2D) nanostructures with a regular shape is still a challenge. Here we report the preparation of a novel 2D AuAg nanosheet with length of 1.50 +/- 0.30 mu m, width of 510 +/- 160 nm, and thickness of similar to 100 nm via the assembly of ultrathin AuAg nanowires in the presence of the triblock copolymer Pluronic P123. The self-assembly of P123 and the fusion behavior of the nanowires during the assembly process are the key reasons for the formation of AuAg nanosheets in P123. Furthermore, the obtained AuAg nanosheet@P123 is used as the active material in a memory device that exhibits the write-once-read-many-times memory behavior.
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