Confining metal-halide perovskites in nanoporous thin films. Science Advances, 2017; 3 (8): e1700738 DOI: 10.1126/sciadv.1700738 Foto: Foto Ruhrgebiet / fotolia.com
The color of the light emitted by an LED can be tuned by altering the size of their semiconductor crystals. Ludwig-Maximilians-Universitaet (LMU) in Munich researchers have now found a clever and economical way of doing just that, which lends itself to industrial-scale production. Unlike incandescent lightbulbs, light-emitting diodes produce light of a defined color within the spectral range from the infrared to the ultraviolet. The exact wavelength of the emission is determined by the chemical composition of the semiconductor, the crucial component...
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