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First Solar, Inc. is a publicly traded American manufacturer of solar panels. It provides end-of-life panel recycling at each of its manufacturing facilities. First Solar uses rigid thin-film modules for its solar panels, and produces CdTe panels using cadmium telluride (CdTe) as a semiconductor.
Once the facility is commissioned, its workers will join thousands of American solar workers in enabling our country’s energy transition.” Vitro’s investment in the Meadville Plant is expected to provide First Solar with a vital domestic source of float glass, which is a significant component of the company’s advanced thin film solar panels.
First Solar uses rigid thin-film modules for its solar panels, and produces CdTe panels using cadmium telluride (CdTe) as a semiconductor. The company was founded in 1990 by inventor Harold McMaster as Solar Cells, Inc. In 1999 it was purchased by True North Partners, LLC, which rebranded it as First Solar, Inc.
Contact: First Solar is a leading American solar technology company and global provider of responsibly produced eco-efficient solar modules advancing the fight against climate change.
SETO released the Cadmium Telluride PV Perspective Paper in January 2025, outlining the state of CdTe PV technology and SETO’s priorities to reduce costs, address materials availability, and support the scale-up of CdTe within the domestic utility-scale PV market. A large-scale solar array in Colorado with CdTe modules.
The solar cells achieved an efficiency of 11 %. However, polyimide (PI) is less thermally stable compared to glass and may exhibit thermal expansion, which can cause delamination and degradation of the device. PI is also more susceptible to moisture and oxygen, which can degrade the effectiveness of the flexible CdTe solar cells . Fig. 4.
Rigid glass substrates, such as soda-lime glass (SLG) [, , ] or borosilicate glass , have been traditionally applied in the production process of CdTe solar cells and are widely used among researchers.
The exploration of CdTe solar panels was further continued in 2010 when Korea University introduced a new type of flexible substrate that was made from a polymer called polyethylene naphthalate (PEN) . PEN was identified to be durable with acceptable thermal stability as compared to the other flexible substrates.
