NANO-PARTICLES

NANO Refer To Size,Usually 10^-9 meter.

                                   They Don't Look Pretty Neither Do I.
                                  But Have Plenty Of Properties So Do I.

# On the Basic Of Size They Are Again Classified In Two Categories.

* QUANTUM DOTS.

These Are Particles With Size Of 1-10 nm (Nano-meters) 

* Nano-Particles
 
These Are Particles With Size 91-100 nm in any Dimension .

# WHY NANO-PARTICLES ?

At This Size(Nano-Size) Properties Of Matter Changes;
Due To Change In Surface Area & Aspect Ratio.
                                     

Surface Area Is More

 Aspect Ratio = Surface / Volume

Aspect Ratio Increases As Size Decreases.

# SYNTHESIS OF NANO-PARTICLE.

Basically There Are Two Method Of Preparation Of Nano-Particles.

1. Step UP Process.

    In This Process The Large Particle are Converted 
    into Smaller Once, by any Chemical Process as
    given below.
   

Forget About The Reaction

The Solution Is Getting Converted Into Nano Particles.

As Name Suggest Nano-Particles Are Prepared By

2. Step DOWN Process.

In This Process The Big Mass Is Converted Into Nano-Particle.

In  Above Process Big Particle Are Converted Into Smaller Once.

# PROPERTIES OF NANO-PARTICLES.

1.Due To High Aspect ; React Easily.

2.The Behaviour Of Material Changes Due To Size

   i.e, Reflective Surface Changes So Colour Changes (Gold Nano Particle Are Red In Colour)

# APPLICATION OF NANO-PARTICLES.

Due To Variation In Chemical As Well As Physical Properties They Can Be Used In Various Fields. 

1.In Medical For Drug Delivery.

The Particles Are Then Send To Infected Sites.

2.Hydrogen Storage.

Clean Fuel is One of the Biggest Problem In Today's World
The Solution May be Hydrogen But it's Storage is the "Biggest Problem"
Which can be Solved by Nano-Particles.

The Yellow Region is Empty Space.

                                     So Hydrogen Can Be Stored Easily In That Region.

Nano-Particles Have Plenty Of Application In Many Fields.
  
# ADVANCE RESEARCH IN NANO-PARTICLES.
Nano Alone Can't do Miracles.   
  
It Has to be Added to Some Thing...
                                                                       To Be Continued...