Synthesis of Nanostructured Materials for Catalytic Applications

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Synthesis of Nanostructured Materials for
Catalytic Applications
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Subject Areas

• Active Sites and Frameworks
• Topologies
• Particle Shape
• 2D Particle Arrays
• 2D Pocket Arrays
• Uniform Organized Channels
• Methodologies
• Wet
• Dry
• Self-Assembly

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Subject Areas contd

• Goals
• Models of natural aerosols
• Ultra-uniform active sites
• Novel chemistry
• Molecular Flow Control
• Coke Resistant Solid Acids
• Immobilized Enzymes Homogeneous Catalysts
• Amenable to High Throughput Discovery

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Goals for Catalysts

•         Ultra-uniform
•         Highly active
•         Control reagent contact time
•         Separate reactants and products
•         Resist deactivation by sintering
•         Resist deactivation by fouling

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Framework Topologies
3D Porous
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Framework Topologies
2D Planar Platelets or Sheets
2D Porous 1015 Reactors
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2D Porous Topology

• Ultra-Uniform Volume Pores
• Ultra-Uniform Active Phases
• Uniform Contact Time
• One Active Particle in Each Pore
• No Secondary Reactions
• Sequenced Active Sites in Each Pore
• Sequenced Reactions
• Sequestered Active Sites
• No Sintering
• Tailored Pore Walls
• Molecular Flow Control

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2D Planar Topology

• No Pores ? No Pore Plugging
• Solid Acids?
• Immobilize Large Active Structures
• Enzymes
• Homogeneous Catalysts
• Macroscopic Area Samples for Surface Science

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Methods of Synthesis

• Wet - Porous
• Colloids, Sol-gel, Templates, Liquid-Crystal,
  Bottoms-up Supramolecular, Genetic Engineering
• Dry - Planar
• PVD, MBE, CVD, ALE, ALD, PLD, Plasma
• Patterning
• Self-Assembly
• Templates, Anodization, Dendrimers, Bio-assembly