Oxygen-induced downshifting and lanthanide upconversion luminescence in Sr <sub>2</sub> YbF <sub>7</sub> nanoparticles for dual-mode security applications
Jyoti Yadav, Rajni Mallick, Satish Kumar Samal, M.V. Shankar, S.N. Achary, B. S. Naidu
Abstract
Oxygen-induced downshifting and Ho 3+ , Tm 3+ upconversion in Sr 2 YbF 7 nanoparticle-based luminescent ink exhibits excellent characteristics for dual mode security under UV and NIR light.
Topics & Concepts
Materials scienceLanthanideDual modePhoton upconversionLuminescenceOxygenNanoparticleDual (grammatical number)OptoelectronicsPhotochemistryNanotechnologyIonChemistryOrganic chemistryElectronic engineeringArtEngineeringLiteratureLuminescence Properties of Advanced MaterialsAtomic and Subatomic Physics ResearchInorganic Fluorides and Related Compounds