Photovoltaic thin film tiles

Thin-film solar technology represents a departure from traditional silicon-based solar panels. Instead of using thick layers of crystalline silicon, thin-film solar cells are made by depositing one or more thin layers of photovoltaic material onto a substrate.

Instead of using thick layers of crystalline silicon, thin-film solar cells are made by depositing one or more thin layers of photovoltaic material onto a substrate. These layers are incredibly thin – often just a few micrometers thick, which is about 100 times thinner than traditional solar cells.

Flexibility: Unlike rigid silicon panels, many thin-film solar cells can be made flexible. This allows for integration into curved surfaces, portable devices, and even clothing. Lightweight: The thinness of these solar cells makes them much lighter than traditional panels.

Cadmium Telluride (CdTe): Currently the most common type of thin-film solar cell in commercial use. CdTe cells offer a good balance of cost and efficiency, making them competitive with traditional silicon cells in certain applications.

The most commonly used ones for thin-film solar technology are cadmium telluride (CdTe), copper indium gallium selenide (CIGS), amorphous silicon (a-Si), and gallium arsenide (GaAs). The efficiency, weight, and other aspects may vary between materials, but the generation process is the same.

The rated efficiency for GaAs thin-film solar cells is recorded at 29.1%. The cost for these III-V thin-film solar cells rounds going from $70/W to $170/W, but NREL states that the price can be reduced to $0.50/W in the future.