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 37 checked references that resolve
resolves10.1021/nl060684uNa(Y<sub>1.5</sub>Na<sub>0.5</sub>)F<sub>6</sub> Single-Crystal Nanorods as Multicolor Luminescent Materials
resolves10.1039/C4CS00173GUpconverting nanoparticles: a versatile platform for wide-field two-photon microscopy and multi-modal in vivo imaging
resolves10.1002/anie.201107919In Vitro and In Vivo Uncaging and Bioluminescence Imaging by Using Photocaged Upconversion Nanoparticles
resolves10.1039/C2CS35288EEnhancing solar cell efficiency: the search for luminescent materials as spectral converters
resolves10.1039/c0nr00253dAbsolute quantum yield measurements of colloidal NaYF4: Er3+, Yb3+ upconverting nanoparticles
resolves10.1002/adom.201500024Upconversion for Photovoltaics – a Review of Materials, Devices and Concepts for Performance Enhancement
resolves10.1021/ja3111048The Effect of Surface Coating on Energy Migration-Mediated Upconversion
resolves10.1039/C4CS00186ASurface modification and characterization of photon-upconverting nanoparticles for bioanalytical applications
resolves10.1039/C6TC00413JPhoton upconversion in Yb
<sup>3+</sup>
–Tb
<sup>3+</sup>
and Yb
<sup>3+</sup>
–Eu
<sup>3+</sup>
activated core/shell nanoparticles with dual-band excitation
resolves10.1039/C7CP00855DA novel anion doping strategy to enhance upconversion luminescence in NaGd(MoO
<sub>4</sub>
)
<sub>2</sub>
:Yb
<sup>3+</sup>
/Er
<sup>3+</sup>
nanophosphors
resolves10.1039/C6TC01812BThe dual-model up/down-conversion green luminescence of Gd
<sub>6</sub>
O
<sub>5</sub>
F
<sub>8</sub>
:Yb
<sup>3+</sup>
,Ho
<sup>3+</sup>
,Li
<sup>+</sup>
and its application for temperature sensing
resolves10.1039/C6CC07180EA water-dispersible dye-sensitized upconversion nanocomposite modified with phosphatidylcholine for lymphatic imaging
resolves10.1021/acsnano.7b00944Highly Emissive Dye-Sensitized Upconversion Nanostructure for Dual-Photosensitizer Photodynamic Therapy and Bioimaging
resolves10.1038/lsa.2016.217Plasmonic enhancement and polarization dependence of nonlinear upconversion emissions from single gold nanorod@SiO2@CaF2:Yb3+,Er3+ hybrid core–shell–satellite nanostructures
resolves10.1002/smll.201502934Enhanced Upconversion Luminescence of Metal‐Capped NaGd<sub>0.3</sub>Yb<sub>0.7</sub>F4:Er Submicrometer Particles
resolves10.1021/acs.chemmater.7b01783Synergistic Upconversion Enhancement Induced by Multiple Physical Effects and an Angle-Dependent Anticounterfeit Application
resolves10.1021/acsami.7b09850Semiconductor Plasmon Induced Up-Conversion Enhancement in mCu<sub>2–<i>x</i></sub>S@SiO<sub>2</sub>@Y<sub>2</sub>O<sub>3</sub>:Yb<sup>3+</sup>/Er<sup>3+</sup> Core–Shell Nanocomposites
resolves10.1039/C4TC02363CIntense multiphoton upconversion of Yb
<sup>3+</sup>
–Tm
<sup>3+</sup>
doped β-NaYF
<sub>4</sub>
individual nanocrystals by saturation excitation
resolves10.1039/C6CP02746FThermometry and up-conversion luminescence of Yb
<sup>3+</sup>
–Er
<sup>3+</sup>
co-doped Na
<sub>2</sub>
Ln
<sub>2</sub>
Ti
<sub>3</sub>
O
<sub>10</sub>
(Ln = Gd, La) phosphors
resolves10.1039/C7NJ01622KUpconversion based near white light emission, intrinsic optical bistability and temperature sensing in Er
<sup>3+</sup>
/Tm
<sup>3+</sup>
/Yb
<sup>3+</sup>
/Li
<sup>+</sup>
:NaZnPO
<sub>4</sub>
phosphors
resolves10.1016/j.snb.2014.12.039Er3+–Yb3+ doped vanadate nanocrystals: A highly sensitive thermographic phosphor and its optical nanoheater behavior
resolves10.1038/srep41596A portable luminescent thermometer based on green up-conversion emission of Er3+/Yb3+ co-doped tellurite glass
resolves10.1021/acs.jpcc.5b11786Broad-Scope Thermometry Based on Dual-Color Modulation up-Conversion Phosphor Ba<sub>5</sub>Gd<sub>8</sub>Zn<sub>4</sub>O<sub>21</sub>:Er<sup>3+</sup>/Yb<sup>3+</sup>
resolves10.1039/C4CP02949FEnhanced up-conversion and temperature-sensing behaviour of Er
<sup>3+</sup>
and Yb
<sup>3+</sup>
co-doped Y
<sub>2</sub>
Ti
<sub>2</sub>
O
<sub>7</sub>
by incorporation of Li
<sup>+</sup>
ions
resolves10.1039/C4CP01966KSize dependence of the upconverted luminescence of NaYF
<sub>4</sub>
:Er,Yb microspheres for use in ratiometric thermometry
resolves10.1016/j.cej.2016.08.007Citric-assisted sol-gel based Er3+/Yb3+-codoped Na0.5Gd0.5MoO4: A novel highly-efficient infrared-to-visible upconversion material for optical temperature sensors and optical heaters
resolves10.1016/j.snb.2015.04.017Optical investigation in shuttle like BaMoO4:Er3+–Yb3+ phosphor in display and temperature sensing
The 3 references without a DOI — listed, not checked
no DOI — not checkedJ.L. Wu, B. Cao, L. Rino, Y. Fang, L. Hu, Z. Zhang, Y. Huang, B. Dong, Strong up-conversion luminescence of rare-earth doped oxide films enhanced by gap modes on ZnO nanowires. Nanoscale, 2017.
no DOI — not checkedDual functions of Er3+/Yb3+ codoped Gd2(MoO4)3 phosphor: temperature sensor and optical heater
no DOI — not checkedInfluence of doping and excitation powers on optical thermometry in Yb3+-Er3+ doped CaWO4
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