Ceramics and Materials Engineering

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Ceramics and Materials Engineering Nanomaterials

description

Ceramics and Materials Engineering. Nanomaterials. to = diameter of a human hair. It takes 1000 1 nm particles. 2.5 nm. 2.5 nm. 1000 atoms. A box 2.5 nm on a side would hold ~ 1000 atoms. What are Nanomaterials?. Structures or materials who have characteristic length scales (sizes) in - PowerPoint PPT Presentation

Transcript of Ceramics and Materials Engineering

Page 1: Ceramics and Materials Engineering

Ceramics and Materials EngineeringCeramics and Materials Engineering

Nanomaterials

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What are Nanomaterials?What are Nanomaterials?Structures or materials who have characteristic length scales (sizes) in Structures or materials who have characteristic length scales (sizes) in

1-D, 2-D or 3-D that are ~ 101-D, 2-D or 3-D that are ~ 10-9-9 meters (nano-meters, nm, 1/1,000,000,000 meters (nano-meters, nm, 1/1,000,000,000 of a meter, 1 nm is ~ 3-4 atoms wide)of a meter, 1 nm is ~ 3-4 atoms wide)

Materials, structures or systems where behavior and control of processes Materials, structures or systems where behavior and control of processes are at the atomic or molecular levelare at the atomic or molecular level

Materials that exhibit novel (unexpected) properties, behavior and Materials that exhibit novel (unexpected) properties, behavior and phenomena phenomena

to = diameterof a human hair

It takes 10001 nm particles

2.5 nm

1000 atoms 2.

5 n

m

A box 2.5 nm on a side wouldhold ~ 1000 atoms

• The Rutgers University budget is ~ $ 1,000,000,000. Thus $1.00 is a nano-element of the budget

• 4 mm is a nano-element of the distance from NY to LA

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Nanotechnology : The Challenge

Lucent Technologies Bell Labs Innovations

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What Will Nanomaterials Do For Society?What Will Nanomaterials Do For Society?Nano-electronics, quantum computing, super-capacitors, super-Nano-electronics, quantum computing, super-capacitors, super-

batteries, bio-hazard sensors, 1000 CD’s on your wrist, novel drugs and batteries, bio-hazard sensors, 1000 CD’s on your wrist, novel drugs and drug delivery systems, cellular repair, artificial organs, miniature drug delivery systems, cellular repair, artificial organs, miniature

airplanes, e-ink, self assembly, super-armor, transparent armor, lab on airplanes, e-ink, self assembly, super-armor, transparent armor, lab on a chip, nano- bio-informaticsa chip, nano- bio-informatics

Total societal impact far greater than silicon microelectronics Total societal impact far greater than silicon microelectronics integrated circuit revolution of the 20th centuryintegrated circuit revolution of the 20th century

Next technological revolutionNext technological revolution

Electron microscope image of agar derived nano-gelElectron microscope image of agar derived nano-gel

used for metal and ceramic injection moldingused for metal and ceramic injection molding

K. Labropoulos, Ph. D. Thesis, Rutgers University, May, 2001K. Labropoulos, Ph. D. Thesis, Rutgers University, May, 2001

Molecular dynamic simulations of water adsorption at glass interfaceMolecular dynamic simulations of water adsorption at glass interface

S. H. Garofalini, Rutgers, UniversityS. H. Garofalini, Rutgers, University

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• Self Assembled/ Ordering of 4 nm Fe/Pt nanoparticles• Nanomaterials will yield areal storage densities > 100 Gigabits/square inch

Nanomaterials for Information StorageNanomaterials for Information Storage

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CC6060, Buckeyballs, Carbon Nanotubes:, Buckeyballs, Carbon Nanotubes:

New Structure of MatterNew Structure of Matter

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Carbon Nanotubes (CNT’s) for Flat Panel Displays

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Super Hydrophobic Aligned C-NanotubesFunctionalized Surfaces for Targeting Cells

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Carbon NanotubesCarbon NanotubesThe Space Crane MaterialThe Space Crane Material

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ZnO Nanostructures and Their ApplicationsZnO Nanostructures and Their ApplicationsZnO Nanostructures and Their ApplicationsZnO Nanostructures and Their Applications ZnO has wide and direct bandgap of 3.3 eV which can be ZnO has wide and direct bandgap of 3.3 eV which can be

engineered by alloying with MgO or CdO ; it is engineered by alloying with MgO or CdO ; it is piezoelectric.piezoelectric.

ZnO nanotips and nanotip arrays have applications in:ZnO nanotips and nanotip arrays have applications in: field-emission (displays and near field optical probing)field-emission (displays and near field optical probing) nano-lasersnano-lasers photonic bandgap devices (PBG)photonic bandgap devices (PBG) biomedical sensorsbiomedical sensors

(DNA, protein binding sites, etc.)(DNA, protein binding sites, etc.) STM & AFMSTM & AFM

ZnO nanotips on C-sapphire

ZnO nanotip array on GaN

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APPLICATIONS • Thin film batteries

• Fiber optics

• Catalysis

• Micro-electrical-mechanical systems

• Electrochromic devices

• Environment

CRYSTAL/GLASS INTERFACESATOMISTIC ROUGHNESS

OF GLASS SURFACE

WATER MOLECULES (IN GREEN AND RED!) ON GLASS

MOLECULAR STRUCTURE OF GLASS

The Foundationof Engineering

Technology