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Meeting MS&T23: Materials Science & Technology
Symposium Advanced Ceramics for Environmental Remediation
Presentation Title Advanced Materials for Photocatalytic and Photoelectrochemical CO2 Reduction
Author(s) Oomman K. Varghese
On-Site Speaker (Planned) Oomman K. Varghese
Abstract Scope Achieving net zero emissions by 2050 is a target set by most developed countries. CO2 recycling using solar energy is a strategy explored to achieve this goal. Solar photocatalytic and photoelectrochemical CO2 conversion processes enable recycling. These processes use semiconductors to absorb solar photons and generate energetic charge carriers to perform redox reactions leading to fuel production. While these are promising sustainable technologies, they are only in the initial stages of development. Low dimensional materials that are stable and efficient in harvesting and utilizing solar energy can bring significant improvements in these technologies. We have developed unique nanostructured semiconductors and studied their performance as photocatalysts. Numerical simulations have also been used to investigate the propagation of light waves through such materials and obtain important information about appropriate geometries required for maximum light absorption. In this presentation, the results of these experimental and simulation studies are discussed.


Advanced Materials for Photocatalytic and Photoelectrochemical CO2 Reduction
Building Oxide Semiconductor Structures; From Atom Structure to Microstructure
Ceramic Materials for Sustainable Capture and Reuse of Plant Nutrients as Fertilizer
Confinement and Heterointerface Re-construction in 2D Materials for Water Oxidation Catalysis
Copper Oxide Nanoparticles as a Metal Ion Source for Enhanced Catalytic Stability of Laccase
Design and Structuring of Microporous Ceramics for CO2 Capture and Utilization
Engineered Ceramics for Enhanced Weathering CO2 Capture
Highly Performing Solar-Light-Driven Photodegradation of Metronidazole by Nickel Hexacyanoferrate Nanocubes
In Situ Vibrational Spectroscopy Studies of CO2 Electroreduction at Cu-based Electrocatalysts
Multifunctional Materials for Emerging Technologies
Photocatalysis and Photosensitization Using Atomically Precise Metal Nanoclusters for Solar Energy Harvesting and Conversion
Plasmonic Gas Sensors for Environmental Monitoring
Porous 2D Materials for Water Remediation and Diagnostics
Small yet Bright?! Microwave-assisted Synthesis of Upconverting Nanoparticles
Stripping and Regeneration of Magnetite Adsorbent Used in an Ion Exchange System
The Multipurpose Aspect of Thin Film Ceramic Materials for Photovoltaics and Photocatalysis

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