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二硫化钼(MoS_2)作为一种与石墨烯具有类似结构的材料,近些年来受到了科学家们的越来越多的关注.它凭借自身的层状结构,独特的电子学、电化学性质,大的比表面积以及表面改性的潜能,在许多领域都有着广泛的应用.本文简单论述了目前纳米尺寸MoS_2的制备方法,包括微机械剥离、液相剥离、嵌锂法、水热反应、气相沉积以及热分解法等,并对这些方法在制备纳米MoS_2中具备的优点和存在的不足作了简单点评.另外,介绍了纳米MoS_2在光电子器件、催化、传感、能量存储与转化等领域的应用研究进展,并着重介绍了其在电化学和生物传感分析方面的应用研究现状,并对未来纳米MoS_2的重点研究方向作出了展望.从目前的研究来看,纳米MoS_2在器件、能量存储和传感分析等应用方面存在着巨大的潜质,有望成为一种继石墨烯之后性能十分优良的多功能材料.
As a kind of material with similar structure to graphene, MoS_2 has attracted more and more attention in recent years.With its own layered structure, unique electronic and electrochemical properties, Large specific surface area and potential of surface modification have been widely used in many fields.In this paper, the preparation methods of nano-size MoS 2 are briefly discussed, including micro-mechanical peeling, liquid phase separation, lithium insertion, hydrothermal reaction, gas phase Deposition and thermal decomposition, etc. The advantages and disadvantages of these methods in the preparation of nano-MoS 2 are briefly reviewed.In addition, the applications of nano-MoS 2 in optoelectronic devices, catalysis, sensing, energy storage and transformation Application of the research progress, and emphatically introduced its application in the electrochemical and biosensing analysis of the status quo, and future research prospects of nano-MoS_2 made a prospect.From the current study, nano-MoS_2 in the device, energy storage And sensor analysis applications, there is a huge potential, is expected to become a very good performance after graphene multi-functional materials.