Synthesis of Stable Carboxy-terminated NaYF4: Yb3+, Er3+@SiO2 Nanoparticles with Ultrathin Shell for Biolabeling Applications

Zhenxin Wang

Nanoscale , 2012, Accepted Manuscript

DOI: 10.1039/C2NR33046F, Paper

Fuyao Liu, Qi Zhao, Hongpeng You, Zhenxin Wang

Here, a two-step method has been developed for synthesizing carboxy-terminated NaYF4: Yb3+, Er3+@SiO2 core@shell nanoparticles (UCNP@SiO2) with ultrathin shell (1.5 nm). First, the NaYF4: Yb3+, Er3+ upconverting nanoparticles (UCNPs) were...

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