A new type of photostimulated luminescence has been demonstrated by scientists, which can generate several colors of persistent luminescence. This multicolor persistent luminescence could be used in advanced applications such as bio-imaging, security and medical diagnostics.

The researchers have developed a new type of persistent luminescence material using lanthanide doped yttrium oxide nanoclusters. By exploiting the strong energy transfer between lanthanide ions and yttrium oxide nanoclusters, the material can emit light in multiple colors, such as green, yellow, orange, and red. This is a significant improvement over previous persistent luminescence materials, which could only emit one color of light.

The material is also highly efficient, allowing it to generate light with an intensity up to a thousand times greater than conventional persistent luminescence materials. This could potentially open up applications in areas such as medical diagnostics and security that require a high level of sensitivity.

The researchers believe that their new material has the potential to revolutionize the use of persistent luminescence in a range of applications. In the future, it could be used to create advanced materials for bio-imaging, security, and medical diagnostics

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source: Phys.org