Due to their unique optical properties and potential applications in various fields including bioimaging, sensing, and solar energy conversion, upconversion nanoparticles (UCNPs) have garnered considerable attention. However, the increasing use of UCNPs raises concerns regarding their toxicity. This article provides a comprehensive review of the cu

Copper foam, a material possessing exceptional strength and remarkable lightness, is rapidly gaining traction in a diverse range of applications. Engineered through a meticulous process that involves the creation of an interconnected network of copper cells, this revolutionary material offers a unique combination of properties. Its remarkable stren