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109

Stanford scientists design dichalcogenide solar cells based on tungsten diselenide (www.pv-magazine.com)

submitted 2 months ago by [email protected] to c/[email protected]

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The group designed a sputtered multilayer WSe2 film with a thickness of 15−30 nm for applications on on a 150 mm wafer via a selenization process based on either a solid-source selenium (SS-Se) at 900 C or low-thermal-budget hydrogen selenied (H2Se) precursors at 650 C. The resulting WSe2 film had an energy bandgap of 1.2 eV to 1.3 eV, which the scientists described as near-ideal for solar energy harvesting.

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[–] [email protected] 11 points 2 months ago (1 children)

Are they?

[–] [email protected] 6 points 2 months ago (1 children)

The words definitely are. I have no idea what the initialisms are though.

[–] [email protected] 3 points 2 months ago

Jokes aside: those are chemical compounds, mostly based on Selenium (Se).