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Thin film technologies

Liquid deposition is the basic philosophy behind dip-coating and spray-coating. Click here to have more details on the fundamentals of this technology.

Sol-Gel is an emerging technology enabling the functional structuration of thin film coatings. Click here for more details about Sol-Gel technologies.

Some definitions:

Thin film technologies are pervasive in the industry nowadays. Thin film coatings are found in solar cells, bio-materials, consumer products (such as glasses, helmets), semi-conductor or smart windows. The functions of thin films coatings are numerous and can be classified in several categories: optical properties (filtering, mirrors), mechanical properties (such as scratch-resistance), electrical properties (such as dielectrics and membranes) and chemical properties (such as catalysts for anti-pollution for instance).

There are several technologies to deposit thin films; the more traditional approach is PVD/CVD (vapor deposition) and the use of a plasma beam. Such technologies are only suitable for specific substrates and require high temperatures, which can limit the scopes of applications of thin films.

Sol-Gel coatings can be deposited at low temperatures, which enables the coating of substrates such as polymers. Furthermore, low temperature coating has less impact on the final properties of the surface and thus enables obtaining specific functional properties that cannot be obtained by other methods. Click here to see examples of thin-film coatings deposited with Sol-Gel

SolGelWay’s team has a specific expertise in thin film technologies and liquid deposition:

sol-gel formulations/solutions



Dip-coating is the process of applying thin film coatings by immersing and withdrawing a substrate in a liquid solution. Click here for more details.