Robuta

https://www.muni.cz/vyzkum/publikace/2425607

Luminescent photon-upconversion nanoparticles with advanced functionalization for smart sensing and...

photon upconversion smart sensing luminescent nanoparticles advanced

https://www.nist.gov/itl/review-article-about-single-photon-upconversion-technology-published-physics-reports

A Review Article About Single Photon Upconversion Technology Published in Physics Reports | NIST

review article single photon upconversion technology published