Latest progress in research and development of advanced materials containing single‐walled carbon nanotubes (SWCNTs) has considerably improved their wide‐spread and large‐scale practical applications in cutting‐edge electronic devices. One difficult challenge lies in the controllable fabrication of large arrays of very well aligned SWCNTs with a predetermined direction and density. Here, a printing technique that precisely implements accurate long‐range SWCNT self‐assembly on SiO₂/Si substrates modified with octadecyltrichlorosilane (OTS) is introduced. The process is performed using a potential microflow inside SWCNT suspensions on a smooth hydrophobic OTS‐treated surface. Such printing strategy can be further developed to align and assemble other various nanotubes and nanowires. In particular, the CNT array and the newly emerging room‐temperature liquid metal (LM) with intrinsically excellent conductivity and enormous bendability are successfully combined for the first time. This enabled direct making of the first ever printed high‐performance LM–aligned SWCNT solar cells, transistors, and optoelectronic devices with excellent flexibility. In addition, the realized devices are rather uniform over large areas, which is one of the most important requirements for mass production. The present achievement suggests an important way toward low cost and large‐scale manufacturing of next generation flexible electronic devices, and also will significantly advance LM integrated functional electronics.

中文翻译：

---

高度对准的单壁碳纳米管薄膜与液态金属的组合印刷，用于直接制造功能性电子器件

包含单壁碳纳米管（SWCNT）的先进材料的研究与开发的最新进展大大改善了它们在尖端电子设备中的广泛应用和大规模实际应用。一个困难的挑战在于可控制地制造具有预定方向和密度的非常良好取向的SWCNT的大阵列。在这里，一种可以在SiO ₂上精确实现精确的长距离SWCNT自组装的印刷技术介绍了用十八烷基三氯硅烷（OTS）改性的/ Si衬底。使用光滑的疏水性OTS处理过的表面上的SWCNT悬浮液内部的潜在微流来执行该过程。可以进一步开发这种印刷策略以对准和组装其他各种纳米管和纳米线。尤其是，CNT阵列和具有优异的导电性和巨大的可弯曲性的新兴室温液态金属（LM）首次成功地结合在一起。这样就可以直接制造具有出色灵活性的第一个印刷的高性能LM对准的SWCNT太阳能电池，晶体管和光电器件。另外，已实现的设备在大面积上相当均匀，这是批量生产的最重要要求之一。