Atomically thin layers of semiconductors, such as molybdenum disulfide (MoS₂) and tungsten disulfide (WS₂), are promising materials for nanoscale photonic devices. These nearly two-dimensional semiconductor support so-called excitons or bound electron-hole pairs, which can be aligned vertically along the thin planes of the material.

Recent research discusses the optical and self-cleaning properties of composite films titanium/tungsten/graphene oxide thin films. The article, published in Surface and Interface, develops a discussion of the optical properties of photocatalytic titanium dioxide - tungsten trioxide - reduced graphene oxide (TiO₂-WO₃-rGO) (TWG) and TiO₂ films and the feasibility of using these films for different applications, particularly as self-cleaning coatings (SCC).

Hydrogen (H₂) is a green and economical alternative to conventional fossil fuels due to its zero carbon emission. 2D molybdenum diselenide (MoSe₂) hosts significant applications in hydrogen generation due to its low hydrogen adsorption Gibbs free energy and good electrical conductivity. The development of efficient hydrogen evolution reaction (HER) catalysts is of great interest for economical green hydrogen production.

Tungsten grinders usually hold powerful motors and work by using grinding wheels to remove material from metal workpieces. This equipment could be used for grinding, slicing, polishing as well as welding. Since tungsten rod grinders are more robust than other types of grinders, they are also commonly used in the automotive sector.