NanoTechnology

Small Ideas Big Impacts

First Industrial Revolution@1810Steel Making

Introduction Of

Steam Engine

Second Industrial Revolution@1890

IntroductionOf

Electricity

Electrical Devices

Electricity

But What is NextTechnological

Revolution

? ??By

B.Sandeep

NAN OTECHNOLOGY

What is

Nano Particle?

“A Nano particle is the particle which is designed and characterized under

Nano scale.”1 nm = 0.000000001 m

i.e.10^-9 meters

1cm of thread

Nano Scale

What is

Nano Technology?

Historyof

Nano Technology?

Scale 100 nm

Graphene

Nano Facture

Nano facture is nothing but the Manufacture of “Nano Particles”

But how Can one achieve this

???

It is easy to constructHuge Buildings

But Nano Particles???

Two approaches can be taken when making something at

the Nano scale.These are known as the

“top-down” approach and the “bottom-up” approach.

Top Down Approach :1. The top-down approach is analogous to making

a stone statue. You take a bulk piece of material and modify it, by

carving or cutting in the case of stone, until you have made the shape you want.

The process involves material wastage and is limited by the resolution of the tools you can use, restricting the smallest sizes of the structures made by these techniques.

Examples of this kind of approach include the various types of lithographic techniques (such as photo-, ion beam-, electron- or X-ray-lithography) cutting, etching and grinding.

Top Down Approach :

The second approach is known as the bottom-up approach.

This can be thought of as the same approach one would take to build a house one takes lots of building blocks and puts them together to produce the final bigger structure.

There is less wastage with this technique, and strong covalent bonds will hold the constituent parts together.

A good example of this kind of approach is found in nature; all cells use enzymes to produce DNA by taking the component molecules and binding them together to make the final structure.

Bottom Up Approach :

Nano MaterialsAnd

Nano Devices

Nano Materials

Materials referred to as “Nano materials" generally fall into

two categories: fullerenes, and inorganic Nano particles.

The fullerenes are a class of (allotropes of carbon) which conceptually are (Graphene)sheets rolled into tubes or spheres. These include the (carbon Nano tube) which are of interest both because of their mechanical strength and also because of their electrical properties.

Nano Devices are made of metals, semiconductors, or oxides are of particular

interest for their mechanical, electrical, magnetic, optical, chemical and other

properties. Nano Devices have been used as “quantum dot” and as chemical “catalyst”

Nano Devices

Applications

Nano Technology

Small Idea’s

Big Impact’s

Drug Delivery

A Nano particle is 10 timesSmaller than the RBC

Therefore they can be easily transported through blood.

Nano Particle

Inside a Blood Vessel

Cancer Treatment

Tumors

Tumors

Water ProofJackets

Have you ever wonderedHow Water proof jackets can

Resist water???

Nano Filters

Into Space

Conclusion

Future of Medicine

Future of Computers

Thank YouFor

Watching