NaYF4:Yb,Tm nanocrystals and TiO2 inverse opal composite films: a novel device for upconversion enhancement and solid-based sensing of avidin

Nanoscale , 2014, Advance Article

DOI: 10.1039/C4NR00224E, Paper

Sai Xu, Wen Xu, Yunfeng Wang, Shuang Zhang, Yongsheng Zhu, Li Tao, Lei Xia, Pingwei Zhou, Hongwei Song

The TiO₂ /NaYF₄ :Yb,Tm composite film represents an excellent long-time photostable upconversion sensor for the detection of avidin.

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