Introduction to Nanomaterials Study Material

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Questions and Answers

How do scientists classify nanomaterials based on dimensions?

Based on the number of dimensions of a material outside the nanoscale

What are the two main groups in which nanoparticles types are commonly divided?

Organic and inorganic

Name three types of nanoparticles based on composition.

Carbon-based nanoparticles, ceramic nanoparticles, metal nanoparticles

Provide two examples of organic nanoparticles.

Micelles and liposomes Signup and view all the answers

Name two examples of inorganic nanoparticles.

Fullerenes and quantum dots Signup and view all the answers

What is the definition of nanoscale materials?

Nanoscale materials are defined as a set of substances where at least one dimension is less than approximately 100 nanometers. Signup and view all the answers

How small is a nanometer compared to a millimeter?

A nanometer is one millionth of a millimeter, approximately 100,000 times smaller than the diameter of a human hair. Signup and view all the answers

Why are nanomaterials of interest?

Nanomaterials are of interest because at this scale unique optical, magnetic, electrical, and other properties emerge. Signup and view all the answers

What are the four ways to classify nanomaterials?

<ol> <li>Natural or man-made (engineered) 2) Synthetically produced or by-products 3) Organic or inorganic 4) By size; shape; surface properties; or functionalization.</li> </ol> Signup and view all the answers

What is the potential of nanomaterials in terms of functionalities?

Nanomaterials have the potential to revolutionize the ways in which materials and products are created and to access a wide range and nature of functionalities. Signup and view all the answers