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 34 checked references that resolve
resolves10.1016/j.ccr.2021.213870Lanthanides-doped near-infrared active upconversion nanocrystals: Upconversion mechanisms and synthesis
resolves10.1021/acsabm.9b00115Investigation on the Fluorescence Intensity Ratio Sensing Thermometry Based on Nonthermally Coupled Levels
resolves10.1039/C9RA08145CNaYF
<sub>4</sub>
:Yb,Tm@TiO
<sub>2</sub>
core@shell structures for optimal photocatalytic degradation of ciprofloxacin in the aquatic environment
resolves10.1021/acsaem.8b00518Microscopic Evidence of Upconversion-Induced Near-Infrared Light Harvest in Hybrid Perovskite Solar Cells
resolves10.1021/acsami.0c04258Dye Sensitization and Local Surface Plasmon Resonance-Enhanced Upconversion Luminescence for Efficient Perovskite Solar Cells
resolves10.1021/acsami.0c19475High-Performance Perovskite Solar Cells Based on NaCsWO<sub>3</sub>@ NaYF<sub>4</sub>@NaYF<sub>4</sub>:Yb,Er Upconversion Nanoparticles
resolves10.1021/acssuschemeng.8b06606Near-Infrared Light-Sensitive Hole-Transport-Layer Free Perovskite Solar Cells and Photodetectors with Hexagonal NaYF<sub>4</sub>:Yb<sup>3+</sup>,Tm<sup>3+</sup>@SiO<sub>2</sub> Upconversion Nanoprism-Modified TiO<sub>2</sub> Scaffold
resolves10.1002/adom.202000466Strategically Manipulated Polymer Solar Cells to Incorporate Plasmonically Enhanced Spectral Upconversion Backplane
resolves10.1016/j.cplett.2020.138253Enhanced photocurrent of perovskite solar cells by dual-sensitized β-NaYF4:Nd3+/Yb3+/Er3+ up-conversion nanoparticles
resolves10.1021/cr400478fUpconversion Luminescent Materials: Advances and Applications
resolves10.1021/jp102320xA Novel Near-Infrared Antibacterial Material Depending on the Upconverting Property of Er<sup>3+</sup>-Yb<sup>3+</sup>-Fe<sup>3+</sup> Tridoped TiO<sub>2</sub> Nanopowder
resolves10.1364/OE.384810Low power consumption light emitting device containing TiO<sub>2</sub>:Er<sup>3+</sup> thin film prepared by sol-gel method
resolves10.1039/C5EE01720C17.6% stabilized efficiency in low-temperature processed planar perovskite solar cells
resolves10.1126/science.aai9081Efficient and stable solution-processed planar perovskite solar cells via contact passivation
resolves10.1038/s41598-017-09222-0Highly efficient up-conversion luminescence in Er3+/Yb3+ co-doped Na5Lu9F32 single crystals by vertical Bridgman method
resolves10.1016/j.ceramint.2020.01.249Inverted pyramid Er3+ and Yb3+ Co-doped TiO2 nanorod arrays based perovskite solar cell: Infrared response and improved current density
resolves10.1039/c3tc32143fThe single-band red upconversion luminescence from morphology and size controllable Er3+/Yb3+ doped MnF2 nanostructures
resolves10.1002/adma.201104741Mn<sup>2+</sup> Dopant‐Controlled Synthesis of NaYF<sub>4</sub>:Yb/Er Upconversion Nanoparticles for in vivo Imaging and Drug Delivery
resolves10.1002/adfm.201304270Simultaneous Realization of Phase/Size Manipulation, Upconversion Luminescence Enhancement, and Blood Vessel Imaging in Multifunctional Nanoprobes Through Transition Metal Mn<sup>2+</sup> Doping
resolves10.1039/b809132nRecent advances in the chemistry of lanthanide-doped upconversion nanocrystals
resolves10.1063/1.3220059Room-temperature green upconversion luminescence in LaMgAl11O19:Mn2+, Yb3+ upon infrared excitation
resolves10.1021/acs.jpcc.0c00809Site-Selective Occupation for Broadband Upconversion Luminescence in Ca<sub>3</sub>Y(GaO)<sub>3</sub>(BO<sub>3</sub>)<sub>4</sub>:Yb<sup>3+</sup>,Mn<sup>2+</sup> Phosphors
resolves10.1002/adom.201500732Room‐Temperature Wavelength‐Tunable Single‐Band Upconversion Luminescence from Yb<sup>3+</sup>/Mn<sup>2+</sup> Codoped Fluoride Perovskites ABF<sub>3</sub>
resolves10.1039/C6TC02773CRoom-temperature green to orange color-tunable upconversion luminescence from Yb
<sup>3+</sup>
/Mn
<sup>2+</sup>
co-doped CaO
resolves10.1021/ic010081fGreen and Red Light Emission by Upconversion from the near-IR in Yb<sup>3+</sup> Doped CsMnBr<sub>3</sub>
resolves10.1063/1.4892811Modeling the electrical transport in epitaxial undoped and Ni-, Cr-, and W-doped TiO2 anatase thin films
resolves10.1063/1.2217983Preparation and characterization of LaMnO3 thin films grown by pulsed laser deposition
resolves10.1103/PhysRevB.75.195212Electron transport via polaron hopping in bulk<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi mathvariant="normal">Ti</mml:mi><mml:msub><mml:mi mathvariant="normal">O</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:mrow></mml:math>: A density functional theory characterization
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