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论文类型：期刊论文

发表时间：2018-10-01

发表刊物：MICROCHIMICA ACTA

收录刊物：PubMed、SCIE

卷号：185

期号：10

页面范围：478

ISSN号：0026-3672

关键字：Surface functionalization; Modification; Nanosensors; Optical sensors; Electrochemical sensors; Hybrid materials; Nanoprobes; Signal amplification; Recognition events; Portable devices; Biosensors

摘要：Two-dimensional (2D) nanomaterials are promising building blocks for sensors due to their unique physical, chemical, electronic, and optical properties. This review (with 253 references) first summarizes the historical developments of 2D nanomaterials and discusses the advantages of 2D nanomaterials when applied for constructing sensors. Next, their properties are discussed, with subsections on electronic, optical, mechanical and chemical properties. This is followed by an overview on methods for syntheses and the effects of positive and/or negative charges on the properties and in sensing applications. Then, recent advances in 2D nanomaterial-based electrochemical, fluorometric, colorimetric, electrochemiluminescent, photoelectrochemical, and field-effect transistor sensors are discussed. The discussion also includes the preparation of sensing elements, the roles of such nanomaterials, and assay strategies. Finally, on the basis of the current achievements in the field of 2D nanomaterials, the perspectives on the challenges and opportunities for the exploration of 2D nanomaterial-based sensors are put forward.