纳米材料和纳米制造

Nuo Yang
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引用次数: 1

摘要

杨诺,华中科技大学能源与动力工程学院楚天特聘教授。主要研究方向为声子工程、能量载体的输运和能量转换,如热输运、热调制、热器件、热界面电阻、热电学和太阳能水蒸发/冷凝等。本刊有9篇关于纳米材料和纳米结构材料的有趣论文,包括0D量子点、一维纳米管,二维石墨烯,薄膜,纳米多孔结构,纳米复合材料和界面。纳米材料和纳米结构材料由于具有较大的比表面积、体积比、尺寸效应、量子约束等特性而具有不同于块状材料的全新性能,受到了广泛的研究。纳米管是典型的一维材料。Song等人(DOI: 10.30919/esmm5f193)探索并证明了多壁碳纳米管(MWCNTs)可以作为一种有前途的吸附剂,用于去除废水中的甲基蓝。mwcnts -聚乙烯亚胺吸附剂有助于提高甲基蓝的吸附能力,在35℃下的最大吸附量高达418 mg/g。Liu等人(DOI: 10.30919/esmm5f199)综述了碳纳米管和氮化硼纳米管的结构、性能和合成方法。对于二维材料,Tang等人(DOI: 10.30919/esmm5f203)模拟了最近合成的二维材料的导热性,即嵌入周期性四元环和八元环(GFERs)的石墨烯。gfer的热导率的长度和温度依赖关系都与原始石墨烯不同。石墨烯- gfer异质结构中存在明显的热整流现象。纳米材料的大量研究成果得益于纳米制造技术的发展。Vikram等人(DOI: 10.30919/esmm5f205)利用一种高效简便的化学合成方法,即离子反应,合成了硫化铅(PbS)量子点(~ 6 nm)。循环伏安法和吸收光谱法观察到强尺寸量子化。Borate等人(DOI: 10.30919/esmm5f202)研究了工作气压对Mo薄膜的粘附性、结构、光学、形貌和电学性能的影响,以获得更好的溅射条件。在电化学沉积Cu - ZnSnS薄膜的过程中,研究了制备的Mo薄膜作为工作电极的性能。2 4
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Nano-materials and Nano-manufacturing
Nuo Yang is Chutian Distinguished Professor in School of Energy and Power Engineering, Huazhong University of Science and Technology. His research includes theories, simulations and measurements in micro/nanoscale, and his interests mainly focus on, but not limited to, phonon engineering, energy carriers' transport and energy conversions, such as thermal transport, thermal modulation, thermal device, thermal interfacial resistance, thermoelectrics and solar water evaporation/ condensation etc This issue has nine interesting papers dedicated to nano-materials and nano-structured materials, including 0D quantum dots, 1D nanotubes, 2D graphene, thin films, nano-porous structures, nano-composites, and interfaces. Nano-materials and nano-structured materials have been widely studied for their brand new properties which are different from properties of their bulk counterparts, due to large surface-area-to-volume ratio, size effects, quantum confinements and so on. Nanotubes are typical 1D materials. Song et al. (DOI: 10.30919/esmm5f193) explored and demonstrated that the multi-walled carbon nanotubes (MWCNTs) could serve as a promising adsorbent for methyl blue removal in wastewater. The MWCNTs-polyethylenimine adsorbent contributes to an enhancement of the adsorption capacity in methyl blue removal, where the maximum adsorption capacity is as high as 418 mg/g at 35 °C. As a review, Liu et al. (DOI: 10.30919/esmm5f199) go through the carbon nanotube and boron nitride nanotube in structure, property and synthesis methods. For 2D material, Tang et al. (DOI: 10.30919/esmm5f203) simulated the thermal conductivity of recently synthesized 2D materials, namely graphene embedded with periodic four-membered and eightmembered rings (GFERs). Both the length and the temperature dependence of GFERs' thermal conductivity are found to be different from that of the pristine graphene. An obvious thermal rectification in graphene-GFERs heterostructures is also found. The abundant findings on nano-materials benefit from the progress of nano-manufacturing. Vikram et al. (DOI: 10.30919/esmm5f205) synthesized lead sulfide (PbS) quantum dots (~ 6 nm) using a costeffective and facile chemical synthesis method, namely ionic reaction. The strong size quantization was observed from cyclic voltammetry and absorption spectroscopy. Borate et al. (DOI: 10.30919/esmm5f202) investigated the effect of working gas pressure on the adhesive, structural, optical, morphology and electrical properties of Mo thin films to achieve better sputtering conditions. Furthermore, the performance of the fabricated Mo thin film was studied by using it as a working electrode in electrochemical deposition of Cu ZnSnS thin films. 2 4
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