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amorphous silicon

Amorphous silicon solar cells still niche market

In the second interview of a series, Arvind Shah, a professor at École polytechnique fédérale de Lausanne, told pv magazine about the challenges facing amorphous silicon cells. He said the tech could be used in some window applications and greenhouses, but not in rooftop projects, as the stabilized efficiency of these cells is too low.

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Shedding light on amorphous silicon

Scientists in Europe took a very close look at the thin amorphous silicon layers used in heterojunction and tandem solar cells, building a full picture of the material’s structure at the nanoscale. Their findings could help scientists solve the long-standing mystery of light induced degradation.

New method for life cycle assessment of PV technologies

Researchers in Australia have conducted a ‘cradle to grave’ life cycle assessment (LCA) of the four most widely used PV technologies. The academics say that cadmium telluride solar modules have the lowest life cycle impact, followed by amorphous, multi and monocrystalline silicon products.

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Adding solar at airports

An Indo-Malay research group has sought to define the best conditions for developing large scale solar projects at airports. The researchers provided insight on glare analysis as well as design and performance.

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How do solar cells work underwater?

Although cells lose much of their power yield when submerged, they may not be useless. Researchers in India say submerged cells could be used in monitoring sensors and for other commercial and defense applications. An amorphous silicon cell from Panasonic was tested in their study.

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Is thin-film best for offshore PV?

Superior hydrodynamic properties, more robustness in high seas and a much reduced logistics requirement support the case for thin-film over crystalline silicon, pontoon-mounted alternatives, according to an Indo-Italian research group.

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The best way to predict the I-V profile of PV panels

A study has considered the best mathematical models for predicting solar module performance under varying conditions.

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US scientists claim clear-sky irradiance model provides better results for module testing

Researchers at the American Institute of Physics have used the clear-sky irradiance model developed by the National Renewable Energy Laboratory to measure the degradation rates of solar panels at a testing field in Germany over five years. The scientists say the model, when combined with real-world data, offers an efficient tool to evaluate the aging of PV technology.

International research group claims 8.8% efficiency for amorphous solar cell

The new cell is based on a p-type transparent conductor made of carbon nanotube fibers. The device is said to offer 16% more efficiency than rival amorphous cells.

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Sharp hits 25.09% efficiency on full size HJT cell

Japanese electronics giant, Sharp has announced the achievement of a 25.09% conversion efficiency, from a cell utilizing both heterojunction (HJT) and back contact technology. The measurement has been validated by Japan Electrical Safety & Environment Technology Laboratories (JET).

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