Journal
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
Volume 4, Issue 18, Pages 3072-3082Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jz4011866
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Funding
- Indiana University (IU)-Bloomington start-up funds
- IU's Office of the Vice President for Research
- IU's Office of the Vice Provost for Research through the Faculty Research Support Program
- Alfred P. Sloan Foundation
- Cottrell Scholar Program (Research Corporation)
- NSF [CHE-1306853]
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [1306853] Funding Source: National Science Foundation
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Colloidal plasmonics is a rapidly developing field, with applications of metal nanoparticles that range from biosensing to photocatalysis. Historically, Au- or Ag-only nanoparticles have been investigated for these uses. However, there is emerging interest in multifunctional plasmonic colloids as well as a desire to expand the light scattering and absorption properties of Au or Ag nanoparticles. Both of these goals can be achieved by incorporating a second metal. In this Perspective, recent advances in the synthesis and application of Au-Ag and Au-Pd nanostructures are discussed. The highlighted nanostructures were synthesized through the seed-mediated method, an approach that provides for structurally complex nanoarchitectures while maintaining sample homogeneity. Overall, these architecturally controlled bimetallic nanostructures are representative of a new class of plasmonic colloids in which composition and structure can be manipulated to achieve unique optical properties and functionality.
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