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A green laser light going through the silicon quantum dots, and the silicon quantum dots re-emitting blue light (i.e. upconversion).

Making higher-energy light to fight cancer

Researchers use nontoxic silicon nanocrystals to convert low-energy photons into high-energy ones, bringing scientists closer to developing photodynamic treatments for cancer

By Holly Ober | | Science / Technology

Chemist receives Department of Energy award

Early Career Research Program award will support Ming Lee Tang’s research on developing hybrid organic-inorganic materials

By Sarah Nightingale | | Science / Technology