Researchers have recently made a breakthrough in supramolecular upconversion, a process in which light of a low frequency is converted to a higher frequency. This breakthrough involved the synthesis of a new multimer, which is a complex system composed of multiple components. This multimer contains a combination of lanthanide and organic components, which work together to increase the efficiency of the upconversion process. The results of this research could lead to applications such as solar energy conversion and biomedical imaging.

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source: Phys.org