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silicon nanocrystals News
Nontoxic Material Used to Upconvert Low-energy Photons
RIVERSIDE, Calif., Dec. 6, 2019 — Researchers at the University of California, Riverside (UC Riverside) and the University of Texas at Austin demonstrated the use of nontoxic silicon nanocrystals to convert low-energy photons into high-energy ones. The use of nontoxic materials for photon upconversion could help advance the development of photodynamic treatments for cancer. Ultraviolet (UV) light can form free radicals that can attack cancer tissue. However, it does not travel deep enough into tissues to generate
Nanoscale SiLEDs Emit Multiple Colors
KARLSRUHE, Germany, Feb. 22, 2013 — Highly efficient LEDs composed of silicon nanocrystals but without heavy metals can now emit light in a variety of colors.
Nanocrystals Enable Silicon Field-Effect LED
Mar 1, 2005 — While several research teams around the globe attempt to make silicon emit light and others try to make transistors lase, one has combined the two technologies and made a light-emitting transistor based entirely on silicon. Robert J. Walters and...
(3 results found)
April 2024
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