TITANIUM DIOXIDE SAFE OR TOXIC?

-Titanium dioxide, also known as titanium(IV) oxide or titania, is the naturally occurring oxide of titanium.
-Its chemical formula is TiO₂.
- Titanium dioxide is a white, opaque and naturally- occurring mineral found in two main forms: rutile and anatase.
- Titanium dioxide is odorless and absorbent.
- It is mainly sourced from ilmenite ore.
- The most important application areas are paints and varnishes as well as paper and plastics, which account for about 80% of the world's titanium dioxide consumption.
- This mineral can be found in many products, ranging from paint to food to cosmetics. In cosmetics and personal care products , it serves several purposes. It is a white pigment, an opacifier and a sunscreen.
- Titanium dioxide in inhalable forms is designated as a possible carcinogen by the International Agency for Research on Cancer (IARC) .
- Titanium dioxide is also used as a material in the memristor, a new electronic circuit element. It can be employed for solar energy conversion based on dye, polymer, or quantum dot sensitized nanocrystalline TiO2 solar cells using conjugated polymers as solid electrolytes.
- Due to the significant ionic and electronic conduction of Titanium dioxide, it is potent to be used as the mixed conductor.
- Synthetic single crystals and films of Titanium dioxide are used as a semiconductor.

Posted by Direniş ÇAYLI on December 14, 2016

https://nanografi.com/blog/titanium-dioxide-safe-or-toxic/

Comments

Molybdenum Trioxide Nanoparticles/Nanopowder and Applications

General Information about Molybdenum Trioxide Molybdenum trioxide is chemical compound with the formula MoO3. Its chief application is as an oxidation catalyst and as a raw material for the production of molybdenum metal. Molybdenum Trioxide is a very light blue powder. Molybdenum Trioxide Nanoparticles/Nanopowder and Their Applications Like many nanoparticles/nanopowder , Molybdenum Trioxide nanoparticles/nanopowder are used as catalysts. These catalysis reactions include hydrogenation catalysis and cracking catalysis. Molybdenum Trioxide nanoparticles/ nanopowder are useful for...

Improving Dialysis Process with Graphene

Researchers from Mechanical and Electrical Engineering Departments of MIT recently showed that graphene is a powerful material candidate for use in the dialysis systems (such as hemodialysis machines in medical institutes for filtering human blood). In order to prepare graphene as a dialysis material, researchers used a procedure opposite to the general treatments that nanotechnology people use. Dialysis is a process of filtering different solutions such as human blood by a membrane in order to remove waste molecules, drugs, chemical residues from the solution. In some cases, the process can be used for purification of chemicals or isolation of different molecules for medical diagnosis. It is an essential process for scientists especially in the medical operations. Image Retrieved From: http://www.graphene-nownano.manchester.ac.uk/our-research/examples-of-current-projects/fundamental-science/use-of-graphene-as-bio-membrane/ The traditional membranes used in dialysis are thick ...

Rundown about Silicon Oxide Wafer

The main insulating material used in micro-technology is Silicon Dioxide, which in chemical symbols is written as SiO2. In semiconductor technology, SiO2 thin film layers are mainly used as dielectric material film in transistors, capacitors (DRAM) or flash-memories. Silicon Oxide Wafers are produced using crystallization, solid state and other ultra-high purification processes such as sublimation. This process forms a cylindrical ingot, which is then sliced and polished to form wafers. Thermal oxide is a kind of "grown" oxide layer, compared to CVD deposited oxide layer, it has a higher uniformity, and higher dielectric strength, it is an excellent dielectric layer as an insulator . In most silicon- based devices, thermal oxide layer play an important role to pacify the silicon surface to act as doping barriers and as surface dielectrics. The simplest way to produce an insulating silicon oxide layers (SiO2) on silicon wafers is to oxidize silicon with oxygen, which ...

Nanografi Nanotechnology

Search This Blog