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<p>The precision assembly of anisotropic nanostructures is a prerequisite for next-generation integrated microsystems, quantum photonics, and bio-interfaces. However, bridging the gap between individual manipulation accuracy and scalable, programmable manufacturing remains a grand challenge. Current optical and alternative physical field approaches are hindered by inadequate control stability, thermal damage, and interfacial adhesion limitations. Here, we report a robust hybrid opto-electric microsystem that synergizes alternating current (AC) electric fields with holographic optical tweezers to overcome these barriers. By introducing an Optical Electro-aligning Manipulation (OEM) strategy, we convert the stochastic motion of nanowires into deterministic, pre-aligned trajectories, significantly minimizing scattering forces and optimizing trapping stability. This results in a 38% increase in capture success rate, a 50% reduction in laser power requirements, and a 39% increase in translation speeds for Ag, TiO<sub>2</sub>, GaAs, and InAs nanowires. Furthermore, we demonstrate “nano-calligraphy” as a lithography-free patterning technique, enabling the programmable construction of complex micro-patterns with sub-micron resolution. The capability for parallel control of up to seven nanowires and the successful manipulation of biological agents (bacteria) confirm the system’s scalability and versatility. This work establishes a powerful nanomanufacturing platform for the bottom-up assembly of functional NEMS devices, photonic networks, and cellular nanoprobes.</p><p></p>

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Nano calligraphy via optical electro-aligning manipulation

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年4月8日

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  • Haobing Liu,
  • Rongxin Fu,
  • Zongliang Guo,
  • Zonghao Li,
  • Menglei Zhao,
  • Ziyuan Li,
  • Dong Pan,
  • Yifan Zhang,
  • Chenyang Xi,
  • Hang Li,
  • Kangfu Chen,
  • Bing Chu,
  • Kai Lou,
  • Yanfeng Zhang,
  • Yujie Chen,
  • Huikai Xie,
  • Jiafang Li,
  • Shuailong Zhang

摘要

The precision assembly of anisotropic nanostructures is a prerequisite for next-generation integrated microsystems, quantum photonics, and bio-interfaces. However, bridging the gap between individual manipulation accuracy and scalable, programmable manufacturing remains a grand challenge. Current optical and alternative physical field approaches are hindered by inadequate control stability, thermal damage, and interfacial adhesion limitations. Here, we report a robust hybrid opto-electric microsystem that synergizes alternating current (AC) electric fields with holographic optical tweezers to overcome these barriers. By introducing an Optical Electro-aligning Manipulation (OEM) strategy, we convert the stochastic motion of nanowires into deterministic, pre-aligned trajectories, significantly minimizing scattering forces and optimizing trapping stability. This results in a 38% increase in capture success rate, a 50% reduction in laser power requirements, and a 39% increase in translation speeds for Ag, TiO2, GaAs, and InAs nanowires. Furthermore, we demonstrate “nano-calligraphy” as a lithography-free patterning technique, enabling the programmable construction of complex micro-patterns with sub-micron resolution. The capability for parallel control of up to seven nanowires and the successful manipulation of biological agents (bacteria) confirm the system’s scalability and versatility. This work establishes a powerful nanomanufacturing platform for the bottom-up assembly of functional NEMS devices, photonic networks, and cellular nanoprobes.