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The surface of the silicon nanowire was covalently modified with silane derivative of acenaphthene to form a ‘turn-on’ fluorescence sensor for Zn(II). The fluorescent intensities of the sensor were linearly increased with the increment of the Zn(II) concentration in the range of 0.0–20μM, and a good selectivity and sensitivity to Zn(II) were obtained. Differently from conventional Zn(II) ion fluorescence...
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