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Bottled color

Under a blacklight, the lab-made solution shines. It can be red, orange, green, or any other color, depending on its chemical composition and the size of the perovskite nanocrystals it contains. The purity of the color has made this material a sensation, with high potential for a number of applications. In the distant future, for example, it could be used to create a new generation of television screens. For now, a group led by chemist Ana Flávia Nogueira of the University of Campinas (UNICAMP) is synthesizing perovskites and studying their optical, electronic, and quantum properties.

Image submitted by Luiz Gustavo Bonato, a PhD student at UNICAMP’s Chemistry Institute