Nanotechnology Basic | Chapter 3: Classification and Properties of Nanomaterials by Prakhar Chauhan | Learn Smarter
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Chapter 3: Classification and Properties of Nanomaterials

Nanomaterials are classified by their dimensional characteristics and origins, distinguishing between natural and engineered variations. Their properties, including physical, chemical, electrical, optical, and magnetic characteristics, are significantly affected by their size and shape, leading to diverse applications in technology and medicine.

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Sections

  • 3

    Classification And Properties Of Nanomaterials

    This section explores the classification, properties, and influences of size and shape on nanomaterials.

    Learning Practice

  • 3.1

    Dimensional Classification Of Nanomaterials

    Nanomaterials are classified into four categories based on their dimensions at the nanoscale, significantly influencing their properties and applications.

    Learning Practice

  • 3.1.1

    Zero-Dimensional (0d) Nanomaterials

    Zero-dimensional nanomaterials are characterized by having all dimensions confined to the nanoscale, exhibiting unique properties such as discrete energy levels and a high surface area.

    Learning Practice

  • 3.1.2

    One-Dimensional (1d) Nanomaterials

    One-dimensional nanomaterials, such as nanowires and nanotubes, have unique properties due to their confined dimensions.

    Learning Practice

  • 3.1.3

    Two-Dimensional (2d) Nanomaterials

    Two-dimensional (2D) nanomaterials are defined by two dimensions being outside the nanoscale, offering unique properties like high surface area and strength.

    Learning Practice

  • 3.1.4

    Three-Dimensional (3d) Nanomaterials

    Three-dimensional nanomaterials are characterized by features at the nanoscale internally and are essential for various applications.

    Learning Practice

  • 3.2

    Natural Vs. Engineered Nanomaterials

    This section distinguishes between natural nanomaterials that occur in nature and engineered nanomaterials that are synthesized for specific applications.

    Learning Practice

  • 3.2.1

    Natural Nanomaterials

    This section discusses natural nanomaterials, highlighting their occurrence in nature and key examples.

    Learning Practice

  • 3.2.2

    Engineered Nanomaterials

    Engineered nanomaterials are synthetically created substances with specific applications and unique properties that distinguish them from naturally occurring nanomaterials.

    Learning Practice

  • 3.3

    Key Properties Of Nanomaterials

    Nanomaterials possess unique properties such as altered physical, chemical, electrical, optical, and magnetic characteristics that differentiate them from bulk materials.

    Learning Practice

  • 3.3.1

    Physical Properties

    This section covers the unique physical properties of nanomaterials, emphasizing their distinctions from bulk materials.

    Learning Practice

  • 3.3.2

    Chemical Properties

    This section focuses on the unique chemical properties of nanomaterials that distinguish them from bulk materials.

    Learning Practice

  • 3.3.3

    Electrical Properties

    This section discusses the electrical properties of nanomaterials, highlighting their unique conductivity and roles as semiconductors and superconductors.

    Learning Practice

  • 3.3.4

    Optical Properties

    This section explores the unique optical properties of nanomaterials, highlighting how size influences color and light interactions.

    Learning Practice

  • 3.3.5

    Magnetic Properties

    This section focuses on the magnetic properties of nanomaterials, emphasizing superparamagnetism and tunability for applications in data storage and medical imaging.

    Learning Practice

  • 3.4

    Influence Of Shape And Size

    The shape and size of nanomaterials play a crucial role in determining their properties and applications.

    Learning Practice

References

Untitled document (15).pdf

Class Notes

Memorization

What we have learnt

  • Nanomaterials can be classi...
  • There is a distinction betw...
  • The properties of nanomater...

Final Test

Revision Tests