reversible mechanochromic luminescence is cool
March 4, 2009 at 5:30 pm | sam | literatureThe recent JACS Beta Image Challenge has a really cool video involved:
(Click the image to watch a movie!)
The crystalline form is quenched and blue-shifted. But grinding or scraping the powder breaks apart the crystal and the separated chromophores fluoresce in the green. Neateo.
You can check out the details in the original paper: Ito, et al. JACS 2008, 130, 10044-10045. I’m not thrilled with the quality of some of the spectra (comeon JACS!), but a fun paper, nonetheless.
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