Skip to main content

Zinc Sulfide Sputtering Targets and Applications

Zinc sulfide is an inorganic compound with the chemical formula of ZnS. This is the main form of zinc found in nature, where it mainly occurs as the mineral sphalerite.
Zinc Sulfide (ZnS) Sputtering Targets (Size:1'' ,Thickness:0.125'' , Purity: 99.99%) is an important wide band gap semiconductor material with extensive potential applications, such as flat-panel displays, sensor, light-emitting diodes, photodetectors and solar cells. In the important application of photovoltaics, zinc sulfide sputtering targets can be used as buffer layer material of CuInGaSe2 (CIGS), Cu2ZnSnS4 (CZTS) thin-film solar cells. Compared to cadmium sulfide used commonly as buffer layer material, zinc sulfide has some advantages which are nontoxic, abundant, cheap, lattice matched with CIGS or CZTS absorber, possessing wide band gap. Zinc sulfide is a direct band gap n type semiconductor. The band gap of zinc sulfide is in the range of 3.2 ~ 3.9 eV, while the band gap of cadmium sulfide is only about 2.45eV. The wide band gap of zinc sulfide enables high energy incident photons to reach the window-absorber junction, enhancing the blue response of the photovoltaic cells and thus contributes to a better cell performance.
The main fabrication methods of zinc sulfide films involve chemical bath depositio, chemical vapor deposition, molecular beam epitaxy, thermal evaporation and RF magnetron sputtering. Among these fabrication methods, magnetron sputtering technique has some advantages such as easier controllability of the deposition parameters, high film growth rate, compatibility with the sputtering depositions of absorber and window layer and thus beneficial to industrial production of solar cells.
Thin film solar cells with high efficiency require thin films fabricated with high quality. Annealing is one method used often to improve film quality. 
Labels:

Comments

Post a Comment

Popular posts from this blog

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...
Post a Comment
Read more
Carbon Nanotubes Specifications and Properties Carbon Nanotubes, simply CNTs, are allotropes of carbon with a round and hollow nanostructure. These barrel shaped carbon molecules have crucial properties, which are significant for nanotechnology, hardware, optics and other different fields of materials science and innovation. The carbon nanotube’s excellent quality as a strong and firm material laid the basis on many applications. Not to mention carbon nanotubes exceptional heat conductivity, electrical and mechanical properties, Carbon Nanotubes are used as additives to diverse auxiliary materials. In terms of rigidity and flexibility Carbon Nanotubes are the stiffest and strongest materials. These quality outcomes from the covalent sp2 bonds framed between the individual carbon molecules. Unlike Graphene , Carbon Nanotubes are either conductive or semiconducting along the tubular hub. Carbon Nanotubes also have absorption, fluorescence properties. Bulk Carbon nanotubes are util...
Post a Comment
Read more

Hydroxyapatite Nanopowders and Their Applications

Hydroxyapatite, is a naturally occurring mineral form of calcium apatite with the formula Ca 5 (PO 4 ) 3 (OH). Pure hydroxyapatite powder is white. Naturally occurring apatites can, however, also have brown, yellow, or green colorations, comparable to the discolorations of dental fluorosis. Hydroxyapatite Nanopowder/Nanoparticles (50 nm, 99.95+%)  has been widely used as a biocompatible ceramic in many areas of medicine, but mainly for contact with bone tissue, due to its resemblance to mineral bone. In mammals, the skeleton presents a carbonated and partially substituted apatite, based on nanocrystal aggregates, and associated with collagen, building up 3-D structures present in various bone tissue conformations like trabecular or cancellous bone. There has been growing interest in developing bioactive synthetic ceramics that could closely mimic natural apatite characteristics. As mentioned before,  Hydroxyapatite Nanopowder  is the main inorganic constituent of bon...
Post a Comment
Read more