AI Article Synopsis
- Novel photochromic single crystals made from three types of diarylethenes can change colors when exposed to different light wavelengths, displaying a range from yellow to black.
- These crystals show thermal stability in darkness and can revert to their original state when exposed to visible light.
- The versatility in color change and stability suggests promising applications in optoelectronic devices, including advanced optical memory and color display technologies.
Article Abstract
Novel photochromic single crystals composed of three different kinds of diarylethenes, 1,2-bis(3,5-dimethyl-2-thienyl)perfluorocyclopentene (1a), 1,2-bis(2,5-dimethyl-3-thienyl)perfluorocyclopentene (2a), and 1,2-bis(2-methyl-5-p-methoxyphenyl-3-thienyl)perfluorocyclopentene (3a), have been prepared. The three-component crystals turned yellow, orange, red, purple, blue, green, or black upon irradiation with light of appropriate wavelengths. The colors of the crystals were thermally stable in the dark and completely bleached by irradiation with visible light. Such multicolored photochromic crystals have potential for the application to optoelectronic devices, such as multifrequency three-dimensional optical memory media or full-color displays.
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| http://dx.doi.org/10.1021/ja035277o | DOI Listing |
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