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What are Some Cadmium Tellurium (CdTe) Applications?

CdTe Periodic SymbolsCadmium Tellurium is a semiconductor and has recently found applications in the electronics industry. It was originally intended for use in the production of radiation detectors. Now we find Cadmium Tellurium usage in many other areas. Some of the applications are in the electronics, space applications, microelectronics, optoelectronics, optoelectronic devices, medical applications, as well as other areas. The reasons are many and varied.


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Cadmium Telluride Solar Subtrates

Fundamentals of Cadmium Telluride Solar Cells

Video: Fundamentals of CdTe Solar Cells


CdTe Substrates in stock

Just a Few CdTe Wafers that we have in stock!

CdTe (111), Undoped, P-type 10x10x0.5 mm, 1 Side polished

CdTe (100) , undoped, P-type 5x5x1.0 mm, 1 side polished

CdTe (110) , undoped, P-type 10 x 5.7 x 5.0 mm, 1 side polished

CdTe (110) , undoped, P-type 10 x 6 x 5.0 mm, 1 side polished

CdTe (110) , undoped, P-type 5x5x1.0 mm, 1 side polished

CdTe (111) , undoped, P-type 5x5x0.5 mm, 1 side polished

CdTe, Undoped, P-type, High-Resistivities,(110) 10x10x1.0 mm, 2 Sides Optically polished with s/d: 60/40

CdTe doped with Zn, P type, Hi-R ( CZT ) (111) 10x10x 0.5mm, Two Sides polished

CdTe doped with Zn, P type , (CZT ) (111) 10x10x 0.5mm,1sp

CdTe doped with Zn, P type , (CZT ) (111) 10x10x 1.0mm,2sp

CdZnTe (111)B, with Zn concentration around 14% , P type, 10x10x1.0mm 1sp R:>1E6

CdTe (111), Undoped ,P-type 10x10x0.5 mm, 1 Side polished

CdTe (111), Undoped ,P-type 15x15x0.5 mm, 1 Side polished-1

CdTe (111)B, Undoped ,P-type 10x10x1.0 mm, 1 Side polished with B face to be polished

CdTe (111)B, Undoped ,P-type 10x10x1.0 mm, 2 Side polished

Hg(1-x)Cd(x)Te, x=0.17 , Undoped, N-type 10x10x0.5 mm, 2 Sides polished

Hg(1-x)Cd(x)Te, x=0.17, Undoped, N-type, 15 mm in dia x 0.5 mm, 2 Sides polished

Hg(1-x)Cd(x)Te, x=0.43, Undoped, N-type, 15 mm in dia x 0.5 mm, 2 Sides polished

Cadmium Telluride (CdTe) Photovoltaic Solar Cells

The semiconductor was first developed and then used in the production of photovoltaics (photocells). There are several research and development efforts going on for the development of new materials, especially when it comes to energy conversion to electricity. One such effort is to develop better batteries. Another is to produce better solar panels and PV modules. When we consider the photovoltaic cell, one might think it's simply a glass filled with mercury vapors blown through an aluminum sheet. That is just one of the approaches to improve on this technology.

In fact, this is just one of the approaches. Another research effort is focused on developing scitech connect, zinc composite, zinc oxide, and cadmium toxicity compounds. Zinc is crucial to the performance of alloys, as well as the success of many of today's technologies. Zinc is essential in the development of the cadmium toxicity compound called cadmium tellurium. When you are looking for information on the latest developments in this interesting and important area of research, you may want to read "Nanotechnology-How Cadmium Toxicity Affects Nanoprobes", by Dr. Robert L. Miller, PhD, formerly of UC Berkeley and now a senior research scientist at both the Pacific Northwest National Laboratory and Elsmeth University.

A newer area of research has been developing a novel technique called photoinduced crystallization, or PRC. This process uses zinc contacts to deposit cadmium zinc Tellurium on a surface, thus enhancing its optical properties. Through this process, we hope to improve upon the performance of CdTe devices and eventually enable them to perform at greater efficiencies than are currently attainable.

Telluride, Colorado is home to one of the most productive industrial facilities for researching various fibers and semiconducting materials. The facility has developed several innovative production processes, including CDTA/CAD, CDMA/CAD, and Si substrate deposited on a silicon substrate. In addition, Telluride is home to several successful businesses that utilize these devices in the space applications. One of those industries is Terneva, which makes infrared detection equipment for use in space applications.

Telluride's infrared diagnostics device capabilities include capabilities for instrumentation in aerospace, medical, and manufacturing applications. Additionally, the Telluride facility is involved in several other innovative programs, including working with NASA to develop CDTE pV modules that will be used in deep space missions. In addition, Terneva is involved in several other industry-related technologies, including developing infrared spectrometers and CdTe pV modules.

Another promising use of the technology is in the field of infrared detection. For instance, one popular application includes the detection and tracking of faulty machinery in our power plants, including those that constantly produce excessive amounts of mercury, which can be very dangerous to our environment. Telluride is also responsible for the detection and tracking of mobile devices in closed environments, such as warehouses and underground storage facilities. These types of machinery are not detected using traditional radar technologies, which has greatly contributed to the increase in the detection of mobile devices in such environments.

Other applications cadmium tellurium are expected to find are in the fields of photovoltaic energy and thin film applications. Photovoltaic applications will seek to exploit the electrical power inherent in sunlight. Thin film applications, meanwhile, will seek to make use of the sun's natural heat to generate electricity. Another promising application lies in the building of solar cell systems. This could potentially be used in places where conventional electricity sources are either unavailable or too costly.