Zinc Oxide Wafers (ZnO) for Research & Production

university wafer substrates

What are Zinc Oxide (ZnO) Wafers Made From?

ZnO wafers are made from polyimide. Polyimide is a semiconductor that has the similar electrical and thermal properties of silver, tin, copper, or gold. A positive charge is imparted to the wafer through its wafer coating. When the wafer is exposed to an electric field, electrons recombine with the atoms in the wafer, creating energy in the form of a motion wave. The motion of the wave then excites atoms in the wafer, making them produce photons. The transmitted light strikes the ZnO wafer, which then converts the light into energy.

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ZnO Wafer Uses

  • GaN epitaxial growth
  • UV detectors
  • Power devices
  • Light-emitting devices
  • Photovoltaic
  • Sensors

Zinc Oxide Substrate Availability

ZnO (0001) 5x5x0.5mm, O-face SSP - ZOZ050505SO

Ga:ZnO (0001) N+ type, Ga doped, 10x10x0.5mm, SSP Zn face polished

High purity 99.99% Aluminium oxide (AL2O3) target, 2" dia. x 2mm - EQ-TGT-AL2O3

High purity Zinc Oxide (ZnO) target, 1" dia. x 5mm - EQ-TGT-ZNO-1

ZnO (0001) 1/4"x1/4"x0.5mm,SSP

ZnO (0001) 10x10x0.5mm, SSP Zn-Face Polished

ZnO (0001) 5x5x0.2mm, DSP

ZnO (0001) 5x5x0.5mm, SSP Zn face polished

ZnO (0001) 5x5x0.5mm, DSP

ITO/ZnO Coated Glass Substrate 1" x 1" x 0.7 mm, ITO Film=100nm, ZnO film=50nm

ZnO (0001) 10x10x0.2 mm, SSP O-face polished

ZnO (0001) 10x10x0.5mm, SSP O-Face Polished

ZnO (0001) 10x10x0.5mm, DSP

ZnO (0001) 10x10x1.0 mm, SSP O-face polished

ZnO (0001) 10x10x1.0 mm, SSP Zn-face polished

ZnO (1-100) M-plane 5x5x0.5mm, SSP

ZnO (11-20) A-plane 5x5x0.5mm, SSP

ZnO Ceramic Substrate 10x10x2.0 mm ,Fine ground

ZnO(100nm) on Fused Silca 10x10x0.5mm

ZnO(150nm) Coated Sodalime Glass 1" x1"x 0.7mm

ZnO(50nm) on Fused Silca 10x10x0.5mm

ZnO (1-100) M-plane 5x5x0.5mm, DSP

ZnO (11-20) A-plane 5x5x0.5mm, DSP

ZnO (11-20) A-plane 10x10x0.5mm, SSP

ZnO (11-20) A-plane 10x10x1.0mm, SSP

ZnO (11-20) A-plane 10x10x1.0mm, DSP

ZnO (1-100) M-plane 10x10x0.5mm, SSP

ZnO (11-20) A-plane 10x10x0.5mm, DSP

ZnO (1-100) M-plane 10x10x0.5mm, DSP

ZnO (0001) 10x10x1.0 mm, DSP

ZnO Film (0.5 um) on Sapphire(0001), 10x10x0.5mm,SSP , undoped

ZnO Film (0.5 um) on Sapphire(0001), 5x5x0.5mm ,SSP, undoped

ZnO Film on Sapphire(0001), 2"x0.5mm, undoped , ZnO: 0.5 um

ZnO (0001) 2" dia. x0.5mm, double side polished (Zn-face epi polished)

ZnO Target, 99.99%, 2'' Dia x 0.125'' with copper backing plate

ZnO Target, 99.99%, 2" Dia x 0.125'' with copper backing & cladding plate

100 g ZnO (99%, 20-30 nm) Nanopowder

ZnO Target, >99.99% 2" Dia x 0.25" thickness ceramic

 

What are Some ZnO Wafer Applications?

ZnO Wafer Application is a novel invention in the field of photovoltaic applications. ZnO Wafer is an active material used in solar cells for use in solar panels. The material is made up of a solid layer of wafers deposited with substances called N-type silicon (N-type refers to positively charged) and mixed with an organic base. Photovoltaic cells are fabricated on these wafers by using a process called lamination. 10mm x 10mm zinc oxide (zno) waferPhotovoltaic cells are known as solar cells or photovoltaic devices (PVDF) based on their design. A ZnO wafer is a thin, rectangular sheet of wafer-type materials. These sheets are coated with phosphor and the base used to create the devices is silicon (usually silicon semiconductor material). Common devices include cell phones (handheld phones), laptop computers, flat screen TVs, barcode scanners, global positioning systems, microwave ovens, and wrist watch technology.

The electrical current produced by PVDFs is in the form of direct current (DC) using positive and negative electrodes. To change the DC current into alternating current (AC), an internal bimetal switch referred to as an excimer junction is used. Photovoltaic cells are designed to trap the incoming electrical charge and change it into AC using a photovoltaic exciton. The electrical conductivity of a PVDF is determined by its lattice size. Lattice size refers to the distance between two crystals that forms the basis of the cell.

There are three main types of PVDF components. They are the flat plate, the wafer material, and the epitaxial growth. Each of these components have their own advantages and disadvantages depending on their application.

Flat plate solar cells are the most common PVDFs used in residential applications. They consist of a large rectangular box-like structure filled with a substrate containing holes or stripes of silicon crystals. Silicon crystals vary in size depending on their concentration in the wafer material. PV flat panels can be rolled up like a newspaper to fit in tight spaces.

Flat plate cells are flexible but less durable than other types of cells. This makes them more suitable for use as roofing shingles or decorative panels. Since they are flexible, they can also be used as flexible solar cells in electronic devices. As a result, flat panels are used as panels on boats, ski boards, and RV generators.

Flat panels are the epitaxial form of PVDF. It has larger surface area than the flat plates. The silicon crystals used in epitaxial flat plates are manufactured to grow in thin layers. This makes it thicker and more durable than flat plates. By growing the silicon crystals in thin layers, epitaxial flat panels can resist extreme temperatures.

A ZnO solar cell is made up of two copper polyimide layers coupled with indium aluminum oxide. These two layers are separated by a thin metal plate called the passivation layer. The low-emissive ZnO flat plates allow only small sized particles to pass through, which makes it ideal for solar cell applications. When the light strikes the surface area of the ZnO wafer, the electric field excites the atoms in the wafer, creating photons that are absorbed by the indium aluminum oxide layer.

Because the transmitted light is so narrow, the electrical current produced is very small. This enables ZnO wafers to be used in place of standard PV cells in applications where the power conversion efficiency is not as important, such as satellites and communication devices. Because the wafers can be used to reflect and send varying amounts of sunlight, they are also suitable for applications where changing the amount of sunlight falling on the device is not feasible, as is the case for hot water heating systems and outdoor lamps.

Znole wafers are made from high quality materials, such as ZnO, which have been specifically engineered for flexibility and durability. In addition, the wafer thickness is not as important as it might be. In the past, wafers that were too thick resulted in distortion that prevented the transmission of electricity, but with the new generation of flat plates, this problem is eliminated. Instead of being so thick, these plates are just slightly thicker than the traditional PV flat plates. Because the transmission of electricity through the wafer is so efficient, you will see your electric bills decrease significantly.

ZnO Substrates

We have a large selection of ZnO Wafers. Many researchers use our ZnO for piezoelectric research including scavaging microcantilever energy.

Recent Zinc Oxide (ZnO) wafer sales: 

  • ZnO (0001) 5x5x0.5mm, O-face SSP
  • ZnO (0001) 10x10x0.5mm, SSP
  • Zn-Face Polished ZnO (11-20) A-plane 5x5x0.5mm, DSP
  • ZnO (11-20) A-plane 10x10x0.5mm, SSP
  • ZnO (1-100) M-plane 10x10x0.5mm, SSP
  • ZnO Epi Film on Sapphire(0001), 2"x0.5mm, undoped , ZnO: 0.5 um
  • ZnO single crystal substrates Orientation (0001) with orientation accuracy< 0.5deg Edge are oriented (11-20) ± 1 deg Size: 25.4x25.4mm (+/-0.10mm) Thickness:1mm (+/-0.05mm) Surface Roughness: Ra <1.0 nm One side epi-polished One Zn-Face (0001) and one O-Face (000-1), please select.