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Meeting 2021 TMS Annual Meeting & Exhibition
Symposium Plasmonics in Nanocomposite Materials
Presentation Title Gold and Au/Ni and Other Plasmonic Nanoparticles: Using Theory to Understand Metal Recovery and Optical Properties
Author(s) George C. Schatz
On-Site Speaker (Planned) George C. Schatz
Abstract Scope This talk will describe theory that can be used to understand metal particles going from mining to optical devices. We begin by describing a recent collaboration with Fraser Stoddart’s group concerned with making supramolecular structures for gold recovery based on binding of gold ions with cucurbit[6]uril anions. Several Au3+ salts bind to these anions in solution, leading to precipitates that enable 99.2% gold recovery. Theory can be used to rationalize the solubility properties of the precipitates, and depends on the anion associated with Au3+.We then move to bimetallic nanoparticles, in particular gold/nickel bimetallics that are made using scanning probe block copolymer lithography (SPBCL) (in studies by the Chad Mirkin group) and other techniques that lead to Janus-like structures. Finally we describe studies of arrays of gold nanoparticles, and plasmonic lattice resonances associated with these arrays that enable powerful control of optical properties in many different ways.
Proceedings Inclusion? Planned:


Anisotropic and Shape-selective Plasmonic Nanomaterials: Structure-property Relationships
Electron Transfer and Catalysis in Plasmonic Nanocomposite Systems
Emerging Anisotropic 2D Layered Materials for Plasmonics and Polaritonics
Engineered Plasmonic Nanoparticle Based Detection: Advanced Sensitivity and Selectivity
Fin p-n Heterojunctions for High Brightness Light Emitting Diodes and Lasers at Sub-micron Scale
Gold and Au/Ni and Other Plasmonic Nanoparticles: Using Theory to Understand Metal Recovery and Optical Properties
Nanophotonics for Neural Engineering
Nanoplasmonics and Its Applications in Nanomedicine
Plasmonic Compound Nanohole Arrays
Spectral Enhancement of Dye Molecules Adsorbed on Titania Prepared on Gold Nanoparticles
Understanding Photocarrier and Gas Dynamics to Rationally Design Nano-heterostructured Photocatalysts for CO2 Conversion

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