Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 40 checked references that resolve
resolves10.1103/PhysRev.174.429Multiphonon Orbit-Lattice Relaxation of Excited States of Rare-Earth Ions in Crystals
resolves10.1007/BFb0116557Radiative and non-radiative transitions of rare-earth ions in glasses
resolves10.1021/cr020357gUpconversion and Anti-Stokes Processes with f and d Ions in Solids
resolves10.1016/j.optmat.2004.10.021Novel materials doped with trivalent lanthanides and transition metal ions showing near-infrared to visible photon upconversion
resolves10.1021/ac00249a026Spectrofluorometric determination of calcium and lanthanide elements in dilute solution
resolves10.1021/ac9603800Ultratrace Determination of Selected Lanthanides by Luminescence Enhancement
resolves10.1021/cm034495dLanthanide-Doped Nanoparticles with Excellent Luminescent Properties in Organic Media
resolves10.1007/s10895-005-2827-5Water-Soluble Ln3+-Doped LaF3 Nanoparticles: Retention of Strong Luminescence and Potential as Biolabels
resolves10.1021/nl025562qNear-infrared Emission of Redispersible Er<sup>3+</sup>, Nd<sup>3+</sup>, and Ho<sup>3+</sup> Doped LaF<sub>3</sub> Nanoparticles
resolves10.1039/b508240dColloidal LaF3:Yb,Er, LaF3:Yb,Ho and LaF3:Yb,Tm nanocrystals with multicolor upconversion fluorescence
resolves10.1039/B413436BSurface Eu
<sup>3+</sup>
ions are different than “bulk” Eu
<sup>3+</sup>
ions in crystalline doped LaF
<sub>3</sub>
nanoparticles
resolves10.1021/la048379gImprovement in the Luminescence Properties and Processability of LaF<sub>3</sub>/Ln and LaPO<sub>4</sub>/Ln Nanoparticles by Surface Modification
resolves10.1021/cm061887mControlled Synthesis and Luminescence of Lanthanide Doped NaYF<sub>4</sub> Nanocrystals
resolves10.1021/cm031124oHexagonal Sodium Yttrium Fluoride Based Green and Blue Emitting Upconversion Phosphors
resolves10.1021/jp073920dHighly Efficient Multicolor Up-Conversion Emissions and Their Mechanisms of Monodisperse NaYF<sub>4</sub>:Yb,Er Core and Core/Shell-Structured Nanocrystals
resolves10.1021/ja060212hHigh-Quality Sodium Rare-Earth Fluoride Nanocrystals: Controlled Synthesis and Optical Properties
resolves10.1021/cm0606171Synthesis of Oil-Dispersible Hexagonal-Phase and Hexagonal-Shaped NaYF<sub>4</sub>:Yb,Er Nanoplates
resolves10.1021/jp7099114Tuning of Crystal Phase and Luminescence Properties of Eu<sup>3+</sup> Doped Sodium Yttrium Fluoride Nanocrystals
resolves10.1021/cm062447yWater-Soluble NaYF<sub>4</sub>:Yb,Er(Tm)/NaYF<sub>4</sub>/Polymer Core/Shell/Shell Nanoparticles with Significant Enhancement of Upconversion Fluorescence
resolves10.1021/cm901094mHighly Luminescent NIR-to-Visible Upconversion Thin Films and Monoliths Requiring No High-Temperature Treatment
resolves10.1021/ja074564fA Strategy to Protect and Sensitize Near-Infrared Luminescent Nd
<sup>3+</sup>
and Yb
<sup>3+</sup>
: Organic Tropolonate Ligands for the Sensitization of Ln
<sup>3+</sup>
-Doped NaYF
<sub>4</sub>
Nanocrystals
resolves10.1021/ja031826eSynthesis of Eu<sup>3+</sup>-Doped Core and Core/Shell Nanoparticles and Direct Spectroscopic Identification of Dopant Sites at the Surface and in the Interior of the Particles
resolves10.1063/1.1575504Eu
3+
ion as fluorescent probe for detecting the surface effect in nanocrystals
resolves10.1364/OE.14.011412White light emissions through down-conversion of rare-earth doped LaF<sub>3</sub>nanoparticles
resolves10.1021/jp001534pAqueous Solutions of Europium(III) Dipicolinate Complexes: Estimates of Water Coordination Based on Molecular Dynamics Simulations and Excited State Decay Rate Constants
The 5 references without a DOI — listed, not checked
no DOI — not checkedPhosphor handbook
no DOI — not checkedHandbook on the Physics and Chemistry of Rare Earths
no DOI — not checkedHandbook on the Physics and Chemistry of Rare Earths
no DOI — not checkedHandbook on the Physics and Chemistry of Rare Earths
no DOI — not checkedref32/cit32
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