Selenium is an important trace element, but it is toxic if an excess is taken. Selenosis can occur when the tolerable upper intake level of selenium exceeds 400 mg per day. Elemental selenium, as well ...
Researchers at the Ritsumeikan University in Japan have fabricated a heterojunction solar cell that utilizes a window layer made of titanium oxide (TiO2) and an absorber based on selenium (Se). The ...
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