Improving the Understanding of Novel Optical Materials AmesNatLab
Unit cells and electron micrographs of alkaline earth chalcogenide nanocrystals. Image Credit: Ames National Laboratory
Researchers are increasingly interested in alkaline earth chalcogenides, a kind of semiconductor with various potential applications such as LEDs, bioimaging, and thermal sensors. Alkaline earth chalcogenides could also be employed to produce optical materials like perovskites, which turn light into energy.
Vela elucidated that more extensively employed semiconductors comprise cadmium or lead, both elements that are harmful to both human health and the environment. Furthermore, the most prevalent method researchers use to create these materials requires solid-state reactions. Vela’s team learned that the colloidal synthesis technique enabled them to regulate the nanocrystals’ size. This is vital as it establishes the optical features of certain materials. Vela showed that by altering the size of the particles, researchers can impact how well the materials capture light.
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