Octadecyltrichlorosilane
Encyclopedia
Octadecyltrichlorosilane (OTS, or n-octadecyltrichlorosilane) is an organometallic chemical. It is used in semiconductor industry to form self-assembled monolayer
thin film
s on silicon dioxide
substrates. Its structural chemical formula is CH3(CH2)17SiCl3. It is flammable, reacts violently with water, and is sensitive to air. It is corrosive and can severely damage mucous membrane
s. Its EINECS number is 203-930-7.
Octadecyltrichlorosilane is an amphiphilic molecule consisting of a long-chain alkyl group (C18H37–) and a polar head group (SiCl3–), which forms Self assembled monolayers (SAMs) on various oxidic substrates.
OTS finds its use in molecular electronics
, as thin insulating gates in metal-insulator semiconductors.
Dodecyltrichlorosilane, an OTS analog with shorter alkyl chain, is used for the same purpose as well.
OTS-PVP
films are used in organic-substrate LCD displays.
Self-assembled monolayer
A self assembled monolayer is an organized layer of amphiphilic molecules in which one end of the molecule, the “head group” shows a specific, reversible affinity for a substrate...
thin film
Thin film
A thin film is a layer of material ranging from fractions of a nanometer to several micrometers in thickness. Electronic semiconductor devices and optical coatings are the main applications benefiting from thin film construction....
s on silicon dioxide
Silicon dioxide
The chemical compound silicon dioxide, also known as silica , is an oxide of silicon with the chemical formula '. It has been known for its hardness since antiquity...
substrates. Its structural chemical formula is CH3(CH2)17SiCl3. It is flammable, reacts violently with water, and is sensitive to air. It is corrosive and can severely damage mucous membrane
Mucous membrane
The mucous membranes are linings of mostly endodermal origin, covered in epithelium, which are involved in absorption and secretion. They line cavities that are exposed to the external environment and internal organs...
s. Its EINECS number is 203-930-7.
Octadecyltrichlorosilane is an amphiphilic molecule consisting of a long-chain alkyl group (C18H37–) and a polar head group (SiCl3–), which forms Self assembled monolayers (SAMs) on various oxidic substrates.
OTS finds its use in molecular electronics
Molecular electronics
Molecular electronics, sometimes called moletronics, involves the study and application of molecular building blocks for the fabrication of electronic components...
, as thin insulating gates in metal-insulator semiconductors.
Dodecyltrichlorosilane, an OTS analog with shorter alkyl chain, is used for the same purpose as well.
OTS-PVP
Poly-4-vinylphenol
Poly-4-vinylphenol, also called polyvinylphenol or PVP, is a plastic structurally similar to polystyrene.PVP is used eg. in electronics, as a dielectric layer in organic transistors in eg. organic TFT LCD displays. Thin films of cross-linked PVP can be used in this application, often in combination...
films are used in organic-substrate LCD displays.