在本研究中，为了解决碳纳米管与铜之间的润湿性和较大的密度差问题，采用了 " 粉末电沉积 "的方法将纳米尺寸的Ag颗粒镀在CNTs上。 与传统的电沉积方法相比，"粉末电沉积 "方法不需要外部电源和调整溶液的PH值。 放电后，低电位产生的静电斥力使CNTs均匀地分散在电镀溶液中，银核均匀地沉积在CNTs的表面。 通过球磨将CNT-Ag作为增强剂加入到Cu粉末中，制造出CNT-Ag/Cu复合材料，实现了拉伸强度、延伸性和导电性的协调增强。 银也可以被其他金属取代， …

2015年6月1日 · Due to the nanoscale size of carbon nanotubes (CNTs), observing the CNT/CNT and CNT/resin interactions in nanocomposites requires a high resolution transmission electron microscope (TEM) analysis. This research focuses on developing a protocol to provide an effective and reliable approach to obtain ultra-thin (<25 nm) cross sections of CNT ...

2024年9月25日 · Elucidating the growth mechanism of carbon nanotubes (CNTs) is critical to obtaining CNTs with desired structures and tailored properties for their practical applications. With atomic resolution imaging, in situ transmission electron microscopy (TEM) has been a key technique to reveal the microstructure and dynamics of CNTs in real time.

空心和多壁碳纳米管（MWCNT）的特征可通过TEM成像得到确认。 TEM图像显示了碳纳米管的竹子状结构。 使用ImajeJ软件确定CNT样品的直径和长度：CNT600的直径10–42 nm和长度208–512 nm；CNT500直径21–60 nm和长度0.302–1.6 μm；CNT400直径32–66 nm和长度0.285–1.032 μm；CNT300直径21–57 nm和长度0.600–3 μm。 图3. PJ木材生物炭CNT（a）、包裹铁纳米粒子CNT600（b）和纳米生物炭的TEM图像. 3、 原子力显微镜 （AFM）： AFM图像显示，Ni …

2018年6月1日 · In this work, we present real-time, high resolution in situ-TEM synthesis of CNT followed by its on-spot soldering in an experiment. Here, amorphous carbon nanofiber (CNF) with embedded Pt nano crystallites was used as the starting material for CNT synthesis.

2015年8月1日 · 通过扫描和透射电子显微镜（sem 和 tem）和高分辨率透射电子显微镜（hrtem）对 cnt 进行表征。使用超声波发生器在异丙醇中分散 cnt 15 分钟。图 1 显示这种分散处理对解开 cnt 簇是有效的。

2009年10月1日 · A powerful method to study carbon nanotubes (CNTs) grown in patterned substrates for potential interconnects applications is transmission electron microscopy (TEM). However, high-quality TEM samples are necessary for such a study.

2015年9月2日 · Carbon nanotubes (CNTs) coated on the WC/Co micropunch, with diameter of 150 μm, for prolonging the life of micropunch were investigated. Carbon nanotubes were synthesized by homemade method. Through scanning electron microscopy (SEM) and transmission electron microscopy (TEM), the morphology and structure of CNTs were expressed.

针对这一问题，日本材料科学中心Dai-Ming Tang*研究团队报道了一种碳纳米管分子内晶体管的设计和制造，其中局部手性是通过在透射电子显微镜（TEM）内以受控的方式通过热机械加工改变的。

Our research findings indicate that forming iron carbide (Fe3C) is a crucial transition phase for amorphous carbon transformation to CNTs. Notably, the iron catalyst generated the longest and...