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首页> 外文期刊>Journal of Materials Research >Modified triazine-based carbon nitride as a high efficiency fluorescence sensor for the label-free detection of Ag~+
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Modified triazine-based carbon nitride as a high efficiency fluorescence sensor for the label-free detection of Ag~+

机译：基于修饰的三嗪基氮化物作为高效荧光传感器，用于无标记检测Ag〜+

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摘要

A triazine-based graphite carbon nitride (tri-C_3N_4) was successfully prepared using a solid and mild method, and modified through concentrated acid and the hydrothermal method. Interestingly, the modified tri-C_3N_4 (tri-HC_3N_4) showed good water stability and excellent fluorescence property. Meanwhile, tri-HC_3N_4 was successfully used to construct a high-sensitive and selective fluorescence sensor to Ag~+. The as-prepared fluorescence sensor showed a fast response and a low detection limit as 0.4046 μM. Moreover, the possible quenching mechanisms were discussed based on the photoinduced electron transfer and the formation of new complex between tri-HC_3N_4 and Ag~+ with the help of the related characterizations. This study does not only provide a new tri-HC_3N_4 for a high efficiency fluorescence sensor, but also show the potential application in biological sciences.
机译：使用固体和温和的方法成功制备三嗪基石墨氮化物（三-C_3N_4），并通过浓缩酸和水热法改性。有趣的是，改性的三-C_3N_4（三-HC_3N_4）显示出良好的水稳定性和优异的荧光性。同时，成功用于将高敏感和选择性荧光传感器构建至Ag〜+的三-HC_3N_4。 AS制备的荧光传感器显示出快速响应和低检测限为0.4046μm。此外，通过相关表征的帮助，基于光致电子传递和Tri-HC_3N_4和Ag〜+之间的新复合物的形成，可以讨论可能的淬火机制。本研究不仅为高效荧光传感器提供了一种新的三HC_3N_4，而且还显示了生物科学的潜在应用。

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  • 来源
    《Journal of Materials Research》 |2020年第24期|3235-3246|共12页
  • 作者

    Liying Hao; Hongjie Song; Yi Lv;

  • 作者单位

    Key Laboratory of Green Chemistry & Technology Ministry of Education College of Chemistry Sichuan University Chengdu 610064 China State Key Laboratory of Oral Diseases National Clinical Research Center for Oral Diseases West China Hospital of Stomatology Sichuan University Chengdu 610041 China;

    Key Laboratory of Green Chemistry & Technology Ministry of Education College of Chemistry Sichuan University Chengdu 610064 China;

    Analytical & Testing Center Sichuan University Chengdu Sichuan 610064 China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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  • 正文语种 eng
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