Introduction to Nanoscience and Nanotechnology

Introduction to Nanoscience and Nanotechnology
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The book presents nanoscience and nanotechnology to a broad audience that does not necessarily have a scientific background. This book starts with the fundamental physicochemical properties of nanoparticles and nanostructures, and discusses how these special properties can be manipulated to produce high-performance materials and devices. In the following chapters, the scope is broadened to cover naturally occurring nanoparticles and artificially-engineered carbon nanoparticles, their mechanical properties, and their importance to the rest of nanotechnology. The book also covers the two design ideologies for manufacturing nanostructures, the <i>bottom-up</i> and <i>top-down</i> methods, and discusses how these two can be combined to allow for the imaging, probing and manipulation of nanostructures. The remainder of the book surveys the current state of nanotechnology, including the use of single-nanoparticle devices in data storage, electronics, optics, and solar power; advances in nanoparticle manufacturing and biotechnology that can lead to powerful new cancer treatments; and the use of nanotechnology to study the “quantum vacuum”.

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Chris Binns. Introduction to Nanoscience and Nanotechnology

Table of Contents

List of Tables

List of Illustrations

Guide

Pages

Introduction to Nanoscience and Nanotechnology

Preface to Second Edition

Acknowledgments

Introduction to Second Edition

I.1 Incremental Nanotechnology

I.2 Evolutionary Nanotechnology

I.3 Radical Nanotechnology

I.4 Bottom–Up/Top–Down Nanotechnology

References

1 Size Matters. 1.1 The Fundamental Importance of Size

1.2 The Magnetic Behavior of Nanoparticles

Advanced Reading Box 1.1 Atomic Magnetic Moments and the Exchange Interaction

1.3 The Mechanical Properties of Nanostructured Materials

1.4 The Chemical Properties of Nanoparticles

1.5 Nanoparticles Interacting with Bacteria and Viruses

Problems

References

Notes

2 Nanoparticles and the Environment

2.1 Nanoparticles in the Atmosphere

Advanced Reading Box 2.1 Terminal Velocity of Aerosol Particles

2.2 Atmospheric Nanoparticles and Health

2.2.1 Entry Via the Lungs

2.2.2 Entry Via the Intestines

2.2.3 Nanoparticles and the Skin

2.2.4 Air Quality Specifications

2.3 Nanoparticles and Clouds

Advanced Reading Box 2.2 Condensation of Water Droplets in a Humid Atmosphere

2.4 Marine Aerosol

2.5 Effect of Cosmic Rays on Atmospheric Aerosol

2.6 Nanoparticles in Space

2.7 Environmental Applications of Nanoparticles

2.7.1 Water Remediation Using Magnetic Nanoparticles

2.7.2 Conversion of Waste Plastics to High‐Grade Materials (Upcycling)

Problems

References

Notes

3 Carbon Nanostructures: Bucky Balls and Nanotubes

3.1 Why Carbon?

3.2 Discovery of the First Fullerene – C60

Advanced Reading Box 3.1 Orbital Hybridization in Carbon Bonding

3.3 Structural Symmetry of the Closed Fullerenes

Advanced Reading Box 3.2 Using Euler’s Theorem to Prove a Fullerene Cage Contains 12 Pentagons

3.4 Smaller Fullerenes and “Shrink‐Wrapping” Atoms

3.5 Larger Fullerenes

Advanced Reading Box 3.3 Evaporation Rate of C2 Pairs from Pentagonal Rings

3.6 Electronic Properties of Individual Fullerenes

Advanced Reading Box 3.4 Van der Waals Forces

3.7 Materials Produced by Assembling Fullerenes (Fullerites and Fullerides)

Advanced Reading Box 3.5 Fermi Level Position in Bandgap of Fullerite

3.8 Discovery of Carbon Nanotubes

3.9 Structure of Single‐Wall Carbon Nanotubes (SWNTs)

3.10 Electronic Properties of SWNTs

Advanced Reading Box 3.6 Electronic Bandstructure of Graphene and Nanotubes

3.11 Electronic Transport in Carbon Nanotubes

3.12 Field Emission from Carbon Nanotubes

3.13 Mechanical Properties of Nanotubes

3.14 Thermal Conductivity of Nanotubes

3.15 Carbon Nanohorns

3.16 Carbon Nanobuds and Pea Pods

Problems

References

Notes

4 Graphene

4.1 Background. 4.1.1 Low‐Dimensional Materials

4.1.2 Discovery of Graphene

4.2 Electrical Properties of Graphene

4.2.1 Electrical Conduction in Normal Metals

Advanced Reading Box 4.1 Quantum States of Electrons in a Box

4.2.2 Electrical Conduction in Semiconductors

4.2.3 Electrical Conduction in Graphene

Advanced Reading Box 4.2 Density of States vs. Gate Voltage

4.3 Graphene as a Testbed for Relativistic Quantum Effects

4.4 Thermal Conductivity of Graphene

4.5 Mechanical Strength of Graphene

4.6 Superconductivity in Graphene Bilayers

4.7 Current Technological Applications of Graphene

4.7.1 Graphene Batteries

4.7.2 Graphene Nanoelectromechanical Systems (NEMS) Accelerometers

4.7.3 Graphene Membranes for Water Desalination

4.8 Summary

Problems

References

5 The Nanotechnology Toolkit

5.1 Making Nanostructures Using Bottom–Up Methods. 5.1.1 Making Nanoparticles Using Supersaturated Vapor

Advanced Reading Box 5.1 Condensation of Particles in a Supersaturated Vapor

Advanced Reading Box 5.2 Log‐Normal Particle Size Distribution

5.1.2 Sources Producing Nanoparticle Beams in Vacuum

5.1.3 Synthesis of Alloy, Core–Shell, and Janus Nanoparticles

5.1.4 Mass Selection of Charged Nanoparticle Beams in Vacuum

5.1.5 Aerodynamic Lensing and Mass Selection of Neutral Nanoparticles

5.1.6 Plasma, Spark and Flame Metal Aerosol Sources

Advanced Reading Box 5.3 Mass‐Filtering Using Aerodynamic Lenses

5.1.7 Size Selection of Nanoparticles in Aerosols

Advanced Reading Box 5.4 Velocity of a Charged Aerosol Particle in an Electric Field

5.1.8 Chemical Synthesis of Nanoparticles in Liquid Suspensions

5.1.9 Biological Synthesis of Magnetic Nanoparticles

5.1.10 Gas‐Phase Synthesis of Hydrosols

5.1.11 Size Determination of Nanoparticles in Liquids

Advanced Reading Box 5.5 Correlation Coefficient

5.1.12 Synthesis of Graphene

5.1.13 Synthesis of Fullerenes

5.1.14 Synthesis of Carbon Nanotubes

5.1.15 Controlling the Growth of SWNTs

5.2 Making Nanostructures Using Top–Down Methods

5.2.1 Electron‐Beam Lithography

Advanced Reading Box 5.6 Electron Scattering Within Resist and Beam Broadening

5.2.2 Manufacturing Nanostructures Using Focused Ion Beams

5.3 Combining Bottom–up and Top–Down Nanostructures

Advanced Reading Box 5.7 Aharonov–Bohm Oscillations in a Carbon Nanotube

5.4 Imaging, Probing, and Manipulating Nanostructures

5.4.1 Scanning Tunneling Microscope

Advanced Reading Box 5.8 Simple Quantum Theory of Tunneling

5.4.2 Manipulating Atoms and Molecules with STM

5.4.3 Scanning Tunneling Spectroscopy (STS)

Advanced Reading Box 5.9 Information Obtained from STS

5.4.4 Atomic Force Microscopy

5.4.5 AFM Imaging of Biological Samples in Liquids

5.4.6 Dip‐Pen Nanolithography

5.4.7 Electron Microscopy

Advanced Reading Box 5.10 Diffraction Limit of Microscopy

Problems

References

Note

6 Single‐Nanoparticles Devices

6.1 Data Storage on Magnetic Nanoparticles

Advanced Reading Box 6.1 Superparamagnetic Limit

6.2 Quantum Dots

Advanced Reading Box 6.2 Exciton States in Bulk Semiconductors and Quantum Dots

6.3 Quantum Dot Solar Cells

6.4 Nanoparticles as Transistors

Advanced Reading Box 6.3 Energy Required to Charge a Nanoparticle

6.5 Carbon Nano‐Electronics. 6.5.1 Fullerene SET

6.5.2 Porphyrin Molecule SET

6.5.3 Carbon Nanotube SET

6.5.4 Limitations of SETs in Applications and Moving to Multiple Transistor Devices

6.6 Carbon Nanotube Light Emitters and Detectors

Problems

References

Notes

7 Hydrosols, Nanobubbles, and Nanoscale Interfaces

7.1 Reynolds Number

7.2 Brownian Motion

Advanced Reading Box 7.1 Derivation of Einstein–Stokes Equation for Brownian Motion

7.3 Stability of Hydrosols

7.4 Nanobubbles. 7.4.1 Fundamental Considerations

Advanced Reading Box 7.2 Derivation of Young–Laplace Equation for a Spherical Surface

7.4.2 Synthesis of Bulk Nanobubbles

7.4.3 Properties of Bulk Nanobubbles

7.4.4 Surface Nanobubbles

7.4.5 Applications of Nanobubbles

7.5 Nanofluidics

Problems

References

8 Magic Beacons and Magic Bullets: The Medical Applications of Functional Nanoparticles

8.1 Nanoparticles Interacting with Living Organisms. 8.1.1 Targeted Nanovectors for Therapy and Diagnosis

8.1.2 Uptake of Nanomaterials by the Body

8.1.3 Types of Core Nanoparticle in Nanovectors

8.1.4 Targeting to Tumors by Enhanced Permeability and Retention (EPR)

8.1.5 Some Elementary Cell Biology

8.1.5.1 The Outer Cell Membrane (Plasma Membrane)

8.1.5.2 Membrane Proteins

8.1.5.3 Internal Cell Structure

8.1.5.4 Cytoskeleton

8.1.6 “Trojan horse” Targeting Using Stem Cells and Macrophages

8.1.7 Molecular Targeting

8.1.8 Magnetic Targeting

Advanced Reading Box 8.1 Force on Magnetic Nanoparticles due to a Magnetic Field Gradient

8.2 Treatment of Tumors by Hyperthermia. 8.2.1 Biological Response to Heating

Advanced Reading Box 8.2 Heat Dissipation in Living Tissue

8.2.2 Magnetic Nanoparticle Hyperthermia (MNH)

8.2.2.1 Current State of the art in Clinical Trials

8.2.2.2 Limitations on the Applied RF Magnetic Field

8.2.2.3 Heating Mechanisms of Magnetic Nanoparticles in an AMF

Advanced Reading Box 8.3 Critical Size for Superparamagnetic Behavior

8.2.2.4 New Nanoparticles for MNH

8.2.3 Optical Hyperthermia Using Near‐Infrared Radiation

Advanced Reading Box 8.4 Extinction by the SPR in Au nanoparticles

8.2.4 Hyperthermia with Carbon Nanotubes

8.3 Medical Diagnosis and “Theranostics” using Nanomaterials

8.3.1 Magnetic Resonance Imaging (MRI) and Contrast Enhancement Using Magnetic Nanoparticles

8.3.2 Magnetic Particle Imaging (MPI)

8.3.3 Imaging Using Au Nanoparticles

8.3.4 Imaging Using QDs

8.4 Antibacterial and Antiviral Applications of Nanoparticles

8.4.1 Nanoparticle Delivery Systems for Covid 19 Vaccines

8.4.2 Antibacterial Action of Ag Nanoparticles

8.4.3 Antiviral Action of Nanoparticles

Problems

References

9 Radical Nanotechnology

9.1 Locomotion for Nanobots and Nanofactories

9.1.1 Movement Within the Nanofactory using Kinesin

9.1.2 Moving Small Cargo in the Nanofactory: DNA Walkers

9.1.3 Propulsion for Swimmers

9.2 Onboard Processing for Nanomachines

9.3 Medical Micro/Nanobots

9.4 Molecular Assembly

Problems

References

10. Prodding the Cosmic Fabric

10.1 Zero‐Point Energy of Space

Advanced Reading Box 10.1 Planck Scale

Advanced Reading Box 10.2 Zero‐Point Energy Density of the Electromagnetic Field

10.2 The Casimir Force

10.3 The Casimir Force in Micro‐ and Nanomachines

10.4 Controlling the Casimir Force Using Phase‐Change Materials

10.5 Repulsive Casimir Forces

Problems

References

Glossary

Index. a

b

c

d

e

f

g

h

i

j

k

l

m

n

o

p

q

r

s

t

u

v

w

y

z

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Second Edition

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Figure 1.13 Grain size in nanostructured materials. Electron microscope images showing a comparison of the grain structure in conventional and nanostructured materials. (a) Conventionally processed material (tin) showing a typical grain size of about 20 μm. (b) Nanovate™ nanostructured Ni‐based coating produced by Integran Technologies Inc. On the same scale as (a) the material appears homogenous. (c) Increasing the magnification by a factor of 15 000 reveals the nano‐sized grains. The lines in the picture are atomic planes and the edges of the grains are revealed by changes in the direction of the planes as indicated for one of the grains.

Source: Reproduced with permission from Integran Technologies Inc. (http://www.integran.com).

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