New screening system may point the way to clean, renewable hydrogen power penn_state
material than previously possible and detect very small amounts of hydrogen gas produced, or hydrogen evolution, in the range of tens of nanomoles per hour per tens of milligrams of material.
. Another team led by Raymond Schaak, DuPont Professor of Materials Chemistry, synthesized the materials in their laboratory, but creating even small amounts is expensive and time consuming. "They developed from the ground up a uniquely sensitive gas chromatography setup for the reproducible detection of hydrogen, which was instrumental to the validation of our computational predictions," Dabo said."This newly developed capability was a key enabler to confirm the discovery of new photocatalysts for the solar production of hydrogen."
Two of the photocatalyst materials tested as part of the study performed better than titanium dioxide did in its bare state, the scientists said. The findings suggest that further study of those materials could yield promising photocatalysts.
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