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Meeting MS&T23: Materials Science & Technology
Symposium Advanced Ceramics for Environmental Remediation
Presentation Title Photocatalysis and Photosensitization Using Atomically Precise Metal Nanoclusters for Solar Energy Harvesting and Conversion
Author(s) Nicola Pinna, Ye Liu, Yu Wang
On-Site Speaker (Planned) Nicola Pinna
Abstract Scope Metal nanoclusters (NCs) with atomic precision are a unique family of metal nanomaterials, representing ideal models to unravel structure-property relationship. In the first part of the talk, we demonstrate the differences of working principle between metal NCs and their particle counterparts. Metal NCs modified TiO2 catalyst is found to exhibit a fiver times higher performance than TiO2 modified with metal nanoparticles in H2 production. In the second part, we present the strategy to tune the charge transfer pathways of metal NCs sensitized semiconductors in photoelectrochemical system. While metal NCs serve as catalyst for oxidation reactions when loaded on n-type semiconductor, they serve as catalyst for reduction reactions when loaded on p-type semiconductor. In the last part, we will use Au25 NC as an example to demonstrate how the protecting ligand and the composition of the metal NC influence the overall performance of a NC/semiconductor system in photocatalytic H2 production.


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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