Is there any method to use upconversion nanoparticles as a heating source?

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Shivanand H. Nannuri

Hello Zeeshan Uddin,

To use upconversion nanoparticles as a heating source you can make gold shell over the UCNPs. The following reference can help you. J. Mater. Chem. B, 2017,5, 7109-7117

(Article Upconversion nanoparticle-decorated gold nanoshells for near...

)

Riaz A. Khan

Check for the highest excitable polymer in visible/green lights. Iron oxide particles are also good enough!