An optical sensor for Cu(II) detection with upconverting luminescent nanoparticles as an excitation source |
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| Authors: | Zhang Jin Li Bin Zhang Liming Jiang Hong |
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| Institution: | State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, 3888 Eastern South Lake Road, Changchun 130033, PR China. |
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| Abstract: | The first optical sensor for Cu(II) detection, with upconverting luminescent nanoparticles as an excitation source, showing high selectivity and good linear Stern-Volmer characteristics, has been achieved through a fluorescence resonance energy transfer (FRET) process between NaYF(4):Yb(3+)/Er(3+) and RB-hydrazide. The sensing mechanism is then discussed. |
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