A new polyfluorene bearing pyridine moieties: a sensitive fluorescent chemosensor for metal ions and cyanide

文献情報

出版日 2012-04-03

DOI 10.1039/C2PY20022H

インパクトファクター 5.582

著者

Xiaoding Lou, Yi Zhang, Shuang Li, Daxin Ou, Zhaomin Wan, Jingui Qin, Zhen Li

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要旨

To develop sensitive and selective CN− chemosensors, a new polyfluorene (P2) bearing pyridine moieties was designed and obtained conveniently, the fluorescence of which could be completely quenched by Cu2+ ions at the concentration as low as 5.67 × 10−7 mol L−1 in diluted solutions. By utilizing the much higher stability constant of the complex of CN− and Cu2+, the quenched fluorescence of the solution of P2 by Cu2+ ions could recover upon the addition of trace CN− anions, with the detection limit as low as 3.3 × 10−7 mol L−1, making P2 a novel, sensitive and selective cyanide probe.

掲載誌

Polymer Chemistry

CiteScore: 8.6

自己引用率: 7.3%

年間論文数: 457

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A new polyfluorene bearing pyridine moieties: a sensitive fluorescent chemosensor for metal ions and cyanide

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