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Meeting Materials Science & Technology 2020
Symposium Advances in Synthesis and Integration Methods for Enhanced Properties, and Applications in Emerging Nanomaterials
Presentation Title Influence of Surface Charge on the Photochemical Reactivity of SrTiO3, BaTiO3, and TiO2/BaTiO3 Heterostructured Catalysts
Author(s) Wenjia Song, Mingyi Zhang, Paul Salvador, Gregory S. Rohrer
On-Site Speaker (Planned) Gregory S. Rohrer
Abstract Scope For many years, researchers have sought metal oxide catalysts that efficiently split water in sunlight to produce hydrogen fuel. On the surfaces of oxide semiconductors with polar domains, electrons are attracted to positively terminated domains where they promote reduction reactions and holes are attracted to negatively charged domains where they promote oxidation. The separation of charge carriers reduces charge carrier recombination and the back reaction of the reduced and oxidized products. Here, we report results showing that it is possible to optimize the overall photochemical reactivity of SrTiO3 and BaTiO3 by controlling charged surface regions by controlling the solution pH. We will also describe a new high throughput method to study the rate of hydrogen production from BaTiO3, SrTiO3, and TiO2/BaTiO3 heterostructured catalysts as a function of materials preparation parameters and solution pH.
Proceedings Inclusion? Undecided

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Critical Elastic Interactions that Govern Effective Mechanical Behavior of Defective hBN and Graphene
Development of High-performance Ion Selective Membranes for Redox Flow Batteries
Efficient Neuromorphic Computing Enabled by Spin-Transfer Torque: Devices, Circuits and Systems
Electrochemical 2D Synapses for Neuromorphic Computing Applications
Ideal Graphene Schottky Junctions: The Building Block for Reconfigurable Logic and 3D Monolithic Integration
Impact of Processing Parameters on Metal Oxide Resistive Random Access Memory (RRAM) Performance and Implications for non-von Neumann Computing Approaches
Influence of Surface Charge on the Photochemical Reactivity of SrTiO3, BaTiO3, and TiO2/BaTiO3 Heterostructured Catalysts
Integration of Synthesis and Computation to Investigate Two-dimensional Transition Metal Chalcogenides: Strain, Defect, and Moiré Engineering
Introduction to Research Capabilities at Center for Functional Nanomaterials, a DOE National User Facility
Investigating the Micro-structure and Transport Mechanisms in Graphene Copper Composites
Iontronic Devices for Energy Efficient Electronics and Neuromorphic Computing
Laser Processing of Soft Magnetic Amorphous and Nanocrystalline Alloys
Low-reflectivity Carbon Nanotube Coatings for Space Applications
Mixed-Dimensional Hetero-structures for Advanced Logic and Memory Devices
Multi-functional Surfaces
Nanoscale Oxide Layers for Halide Perovskite Solar Cells
Polymer Additives for Stable Hybrid Perovskite Solar Cells
Van der Waals and Remote Epitaxy for Quantum Materials Research

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