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Materials

Chemistry In Pictures

Chemistry in Pictures: Endless night

by Alexandra A. Taylor
August 31, 2021
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Most Popular in Materials

 

A micrograph of spherulites resembling stars against a black backdrop.
Credit: Yifu Chen

This micrograph shows spherulites of organic cocrystals made up of C17H14N2O and C6F3I3. Yifu Chen, a PhD candidate in the National Engineering Research Center for Industrial Crystallization Technology at Tianjin University, crystallized these spherical samples on a glass slide from a drop of dichloromethane solution. Chen explains that organic spherulites typically form via melt crystallization, and that this experiment gives a rare glimpse of organic spherulites forming via bottom-up solution crystallization. For Chen, the black cross patterns on the spherulites bring to mind shiny stars in an endless night.

Submitted by Yifu Chen

Do science. Take pictures. Win money. Enter our photo contest here.

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Chemical & Engineering News
ISSN 0009-2347
Copyright © 2024 American Chemical Society

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