Abstract：
Novel zeolitic imidazolate frameworks (ZIFs), classical subtypes of metal organic frameworks (MOFs), and nanostructures are electro-engineered onto carbon fiber (CF), leading to a unique freestanding electrochemical platform of budlike nano Zn-ZIFs decorated CF (BN-Zn-ZIFs/CF). The unique morphology, structure, and composition are characterized by electron microscopy and energy spectrum analysis. Notably, the BN-Zn-ZIFs/CF platform displays superb electrocatalysis towards the oxidation of isoeugenol with encouragingly low overpotential and high current response. The strong electrocatalytic oxidation capability of BN-Zn-ZIFs/CF makes it an excellent sensing platform for isoeugenol detection. BN-Zn-ZIFs/CF sensor exhibits high-performance isoeugenol sensing with an extremely low limit of detection (13 nM) and wide detection range (0.1-700 µM). Besides, the BN-Zn-ZIFs/CF sensor can greatly resist interference from common ions, major biomolecules, and some amino acids. Moreover, excellent reliability, stability, and practicality are obtained. Our work demonstrates that the as-prepared BN-Zn-ZIFs/CF can act as an high-performance electrochemical sensor for the isoeugenol detection, the well-developed ZIF nanocrystal-modified conductive substrates can be a unique platform for the efficient sensing of other molecules, and the electrochemical engineering strategy can be an effective method for the growing of fresh MOF nanocrystals at conductive substrates in various electrochemical applications.
摘要：
新型沸石咪唑酯骨架（ZIFs），金属有机骨架（MOFs）的经典亚型，纳米结构被电镀到碳纤维(CF)上，导致一个独特的独立式电化学平台的budlike纳米Zn-ZIFs装饰CF（BN-Zn-ZIFs/CF）。独特的形态，结构,用电子显微镜和能谱分析对其组成进行了表征。值得注意的是,BN-Zn-ZIFs/CF平台对异丁香酚的氧化表现出极好的电催化作用，具有令人鼓舞的低过电位和高电流响应。BN-Zn-ZIFs/CF的强电催化氧化能力使其成为异丁香酚检测的优良传感平台。BN-Zn-ZIFs/CF传感器具有极低的检测限（13nM）和宽检测范围（0.1-700µM）的高性能异丁香酚传感。此外,BN-Zn-ZIFs/CF传感器可以极大地抵抗普通离子的干扰，主要生物分子，和一些氨基酸。此外，出色的可靠性，稳定性,并获得实用性。我们的工作表明，制备的BN-Zn-ZIFs/CF可以作为一种高性能的电化学传感器，用于异丁香酚的检测，开发良好的ZIF纳米晶体改性导电衬底可以是其他分子的有效传感的独特平台，电化学工程策略可以是在各种电化学应用中在导电衬底上生长新鲜MOF纳米晶体的有效方法。
