Controlling upconversion in emerging multilayer core–shell nanostructures: from fundamentals to frontier applications

S Liu, L Yan, J Huang, Q Zhang, B Zhou - Chemical Society Reviews, 2022 - pubs.rsc.org
Lanthanide-based upconversion nanomaterials have recently attracted considerable
attention in both fundamental research and various frontier applications owing to their …

A novel upconversion optical thermometers derived from non-thermal coupling levels of CaZnOS: Tm/Yb phosphors

W Gao, W Ge, J Shi, X Chen, Y Li - Journal of Solid State Chemistry, 2021 - Elsevier
The growing interest in precise, rapid and contactless optical temperature sensor has led to
the more demand for novel materials. In this work, Tm 3+/Yb 3+ co-doped CaZnOS …

Lanthanide-doped nanoparticles with upconversion and downshifting near-infrared luminescence for bioimaging

C Cao, Q Liu, M Shi, W Feng, F Li - Inorganic chemistry, 2019 - ACS Publications
We designed and synthesized NaYF4: Yb, Tm@ LiLuF4: Nd core–shell nanoparticles, which
can emit at∼ 800 nm under 980 nm excitation and at∼ 1060 nm under 808 nm excitation …

Yb/Er/Ho-α-SiAlON ceramics for high-temperature optical thermometry

YK Kshetri, B Chaudhary, TH Kim, HS Kim… - Journal of the European …, 2021 - Elsevier
Maximum operating temperature in optical thermometry is limited due to poor thermal
stability of the sensing material at high temperatures. Here, Yb, Er and Ho-doped α-SiAlON …

Fluorescence enhancement and inverse Boltzmann distribution in Li+/Er3+ co-doped Y2O3 nanocrystals

Y Yang, Y Deng, L Zhang, Y He, S Zhao, T Xiao… - Ceramics …, 2022 - Elsevier
Abstract Er 3+/Li+ co-doped Y 2 O 3 nanocrystals were synthesized by the sol-gel method.
Fluorescence intensity has been enhanced about 270 times under 980 nm laser excitation …

Colloidal stability and optical thermometry in mesoporous silica coated phosphate based upconverting nanoparticles

L Mukhopadhyay, VK Rai - Journal of Alloys and Compounds, 2021 - Elsevier
Core@ shell nanoparticles (NPs) have been synthesized by using the chemical co-
precipitation technique and Stӧber method. The XRD, TGA, HRTEM, FTIR, Raman and XPS …

Synthesis and luminescence properties of YVO4: Nd3+, Er3+ and Tm3+ nanoparticles

VA Medvedev, DV Mamonova, IE Kolesnikov… - Inorganic Chemistry …, 2020 - Elsevier
In this work we report on YVO 4 nanocrystalline powders doped with individual ions Nd 3+,
Er 3+ and Tm 3+, and their combination. Modified Pechini method allowed obtaining weakly …

Significant Fluorescence Enhancement through Rapid Laser Annealing and Nonthermal Coupling Optical Temperature Sensing of Er-Doped Yttria Nanocrystals

Y Bai, Y Yang, Y Deng, S Dang, Z He… - The Journal of …, 2022 - ACS Publications
Rare-earth-ion-doped nanocrystals have low quantum conversion efficiency due to their
high surface-to-volume ratios and many surface defects, which induce fluorescence …

BiVO4 ceramics for high-sensitivity and high-temperature optical thermometry

YK Kshetri, C Regmi, B Chaudhary, HS Kim… - Journal of …, 2021 - Elsevier
Abstract Bismuth Vanadate (BiVO 4) is a well-known industrial pigment, a microwave
dielectric material as well as an efficient photocatalyst for the degradation of organic …

Core-multishell lanthanide-doped nanocomposite by one-pot synthesis for NIR-II emissions-based temperature sensing

H Zheng, J Zhang, Z Wang, W Zhang, L Tian… - Journal of Alloys and …, 2022 - Elsevier
The performances of nanothermometers based on visible light are inevitably degraded in
biological applications because visible light is greatly weakened after passing through …