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APPLICATIONS OF NANOMATERIALS II, SRI SHALINI S, 1961037, METALLURGICAL…
APPLICATIONS OF NANOMATERIALS II
Energy Application
Energy Storage Devices
Fuel Cells
HYDROGEN ECONOMY : Hydrogen can be a good alternative fuel of the future not only because it is readily available in water but also because of its non-polluting source of energy
Solar Cells
3 main types of nano-solar cells
Flexible polmer-based photovoltaics
Nanoparticle Solar cells
Sprayable self-assembling photocells
EXAMPLE : Addition of a small fraction of carbon nanotubes to nanocrysatlline Tio2 film
Bio-Medical Application
Significant development have been illustrated in the field of nano-enabled targetted
Drug delivery
Cancer and TB therapy
Disease diagnosis
NANO-PHARMACOLOGY : The use of nanotechnology in pharmacology application
EX : Gold-coated nanoshells could convert light into heat, enabling the destruction of tumours
NANO-PHARMACOLOGY and nanotechnology drug delivery systems provud greater and more controlled pharmaceutical uptake in tissues throughout the body
Structural Application
Nanocrystalline M50 steels
Nanocrystalline titanium
WC-Co nanocomposites
With nanocrystalline metals, super plastic deformation can extend rapid and large-scale forming process
Carbon Nanotubes
A carbon nanotubes is a planar sheet of graphite (called Graphene) rolled up into a seamless cylinder with diameter in the order of a nanometre
Types
Single-Walled nanotubes (Diameter close to 1nm)
Multi-Walled nanotubes
Synthesis of CNT
Electric Arc Discharge
Chemical Vapour Deposition
Hot-Wall CVD
Cold-Wall CVD
High-pressure Carbon Monoxide Method
Laser Ablation
Application
Electronics
Energy storage
Fabrics and fibers
Biomedical
Thermal materials
Health and Environmental isuue
One of the major negative impact of nanomaterial on environment is NANOPOLLUTION. It is a generic name for waste generated by nanodevices or during the nanomaterials manufacturing process
HEALTH ISSUE : Nanomaterials can be taken up in the lungs causing inflammation and tissue damge, fibrosis and tumour generation and heart problems
SRI SHALINI S
1961037
METALLURGICAL ENGINEERING
NANO MATERIALS
