World’s first LED light developed from rice husks (IMAGE)

Hiroshima University

World’s first LED light developed from rice husks

Caption

(a) Ears of rice planted in Hiroshima Japan. (b) Schematic illustration of a rice grain with a rice husk composed of 20 wt % SiO2. Photographs of (c) rice husks, (d) SiO2 powders extracted from rice husks, and (e) Si powders synthesized from (d). Electron microscope images of (f) the shell structure of SiO2 and (g) Si quantum dot. Photoluminescence of Si quantum dot showing (h) photograph and (i) spectra. (j) Si quantum dot LED and (k) electroluminescence spectrum of Si quantum dot LED.

Credit

Reproduced from ACS Sustainable Chem. Eng. 2022, 10, 1765-1776. Copyright ACS

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