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Meeting 2021 TMS Annual Meeting & Exhibition
Symposium Plasmonics in Nanocomposite Materials
Presentation Title Understanding Photocarrier and Gas Dynamics to Rationally Design Nano-heterostructured Photocatalysts for CO2 Conversion
Author(s) Anthony B. Thompson
On-Site Speaker (Planned) Anthony B. Thompson
Abstract Scope Recent research in CO2 photoconversion has been heavily focused on catalyst development, including significant efforts to extend photon absorption to the visible range of the solar spectrum. However, there remains a knowledge gap in understanding the dynamics of photocarriers (generation, trapping, diffusion, recombination) and how they relate to adsorption and the dynamics of adsorbed gases and intermediates on the surface of nanostructured catalysts. Here we elucidate these processes using a series of in situ techniques to study CO2 photoconversion on a series of heterostructured nanocatalysts. Unique in situ techniques such as molecular beam scattering, transient absorption spectroscopy, temperature-programmed desorption, electron paramagnetic resonance, and diffuse reflectance IR and UV-Vis spectroscopy are coupled with pulsed and continuous laser techniques to gain mechanistic insight to the catalytic cycle for CO2 photoconversion. Knowledge obtained from these studies will be used to rationally design the next generation of photocatalysts for solar CO2 conversion.
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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