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首页> 外文期刊>The journal of physical chemistry, C. Nanomaterials and interfaces >Electrosynthesis and Characterization of Water-Soluble Poly(9-aminofluorene) with Good Fluorescence Properties
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Electrosynthesis and Characterization of Water-Soluble Poly(9-aminofluorene) with Good Fluorescence Properties

机译：具有良好荧光性能的水溶性聚（9-氨基芴）的电合成和表征

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摘要

The electrochemical synthesis of a novel semiconducting polymer, water-soluble poly(9-aminofluorene) (P9AF), with good fluorescence properties was successfully achieved in pure boron trifluoride diethyl etherate (BFEE) by the direct anodic oxidation of 9-aminofluorene (9AF). The amino group substitution makes P9AF highly soluble in water, facilitating potential applications as a blue-light-emitting material. Fourier transform infrared spectroscopy together with theoretical calculations show that polymerization of 9AF occurs mainly at the C(2) and C(7) positions. The fluorescence spectra indicate that doped P9AF films in water are blue-light emitters with a fluorescence quantum yield of 0.44. Increasing the concentration of hydrochloric acid decreases the solubility of the doped P9AF films but increases that of dedoped P9AF films because of the different complexation of the —NH2 group on P9AF with BF3 or H~+. The doped and dedoped P9AF films in 0.5 mol L~(-1) hydrochloric acid are blue-light emitters with fluorescence quantum yields of 0.40 and 0.17, respectively.
机译：在纯三氟化硼二乙基醚化物（BFEE）中，通过直接对9-氨基芴（9AF）进行阳极氧化，成功地成功合成了具有良好荧光性质的新型半导体聚合物水溶性聚（9-氨基芴）（P9AF）。 。氨基取代使P9AF高度溶于水，从而有可能作为发蓝光材料应用。傅里叶变换红外光谱和理论计算表明9AF的聚合主要发生在C（2）和C（7）位置。荧光光谱表明，水中掺杂的P9AF薄膜是蓝光发射器，荧光量子产率为0.44。盐酸浓度的增加会降低掺杂的P9AF膜的溶解度，但会增加去掺杂的P9AF膜的溶解度，这是因为P9AF上的-NH2基团与BF3或H〜+的配合不同。在0.5 mol L〜（-1）盐酸中掺杂和去掺杂的P9AF薄膜是蓝光发射器，其荧光量子产率分别为0.40和0.17。

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