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In this paper, a CdSe quantum dots (QDs) sensitized TiO 2 photoanode was synthesized by molten-salt-assisted self-assembly (MASA) on a fluorine-doped tin oxide (FTO)-coated glass (CdSe QDs-TiO 2 /FTO), and an efficient photoelectrochemical (PEC) sensor was constructed for the sensitive detection of rutin. CdSe can transfer photo-excited electrons to the conduction band of TiO 2 , thus enhancing the photoelectric activity of TiO 2 . The experimental results show that the PEC sensor has excellent selectivity, good stability, and a wide linear response range for rutin of 0.025–50.0 μM with a low detection limit of 0.007 μΜ. Moreover, the PEC sensor was successfully applied to the detection of rutin content in serum sample.
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Wei et al. (2020) studied this question.
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