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cadmium telluride solar cells

Cadmium telluride solar cell based on indium gallium oxide emitter achieves 17.2%

Developed by the University of Toledo, the cell achived the highest efficiency ever reported for flexible cadmium telluride solar cells to date. The device reached an open-circuit voltage of 861 mV, a short-circuit density of 27.8 mA/cm2, and a fill factor of 71.7%.


Cadmium telluride solar cells show strong resistance after 30,000 orbits around Earth

Researchers in the United Kingdom have tested the perfomance of cadmium telluride solar cells deployed on the AlSat-1N 3U CubeSat satellite from 2016 to 2022. Their findings show the devices exhibited no significant performance changes, nor any sign of delamination. 

Novel cadmium telluride solar cell design with potential efficiency of 31.82%

Scientists in Bangladesh designed a cadmium telluride solar cell with upper/top and back contact materials made of aluminum (Al) and nickel (Ni). The device reportedly showed a quantum efficiency of around 100 % at visible wavelengths.

Cadmium selenium telluride solar cell achieves 20% efficiency via bandgap gradient

US scientists have applied bandgap gradient to a cadmium telluride PV cell for the first time. The result is an improvement of its efficiency and open-circuit voltage, and lower non-radiative recombination.

Flexible cadmium telluride solar cell with 12.6% efficiency via lift-off method

A US research team has developed a cadmium telluride (CdTe) solar cell through a lift-off method that reportedly ensures higher crystallinity of the cadmium sulfide film. The device has a power conversion efficiency of 12.60%, an open-circuit voltage of 0.829 V, a short-circuit current density of 23.64 mA/cm2, and a fill factor of 64.30%.


Only5mins! – Thin-film expert on potential of cadmium-telluride solar

Alessandro Romeo, associate professor in experimental physics at Università degli studi di Verona, speaks to pv magazine about the advantages of cadmium-telluride (CdTe) solar cells over other thin-film PV technologies, as well as the commercial implications of future efficiency gains and the prospects for industrial expansion.


Made-in-USA solar for stable supply chains, lower emissions, fair labor

Toledo Solar founder Aaron Bates joined pv magazine USA to explain the benefits of US-made solar and cadmium telluride technology.


The role of chlorine in thin film solar

Scientists in the UK have explained the mechanism behind chlorine used to boost the efficiency of cadmium telluride thin-film solar cells. With new understanding of the chemical processes at work in the manufacturing process, the group hopes to be able to push for cell efficiencies beyond 25%.

CdTe heterojunction solar cells based on antimony selenide back surface field layers

An international research group is seeking to increase the efficiency of heterojunction cadmium-telluride solar cells by applying back surface field (BSF) layers made of antimony selenide. It claims the addition of this compound may raise CdTe cell efficiency by around 9% and has the technical potential to reach efficiencies over 40%.

Future of cadmium telluride PV tech

In the third interview of a series, pv magazine spoke to Prof. Arvind Shah of École polytechnique fédérale de Lausanne and Associate Prof. Alessandro Romeo from the University of Verona about the challenges and opportunities of cadmium telluride (CdTe) PV tech. They said there is still potential to ramp up efficiency and cut costs, and claimed that the toxicity of cadmium should not be seen as a serious concern.

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