Direct light‐to‐work conversion enables manipulating remote devices in a contactless, controllable, and continuous manner. Although some pioneering works have already proven the feasibility of controlling devices through light‐irradiation‐induced surface tension gradients, challenges remain, including the flexible integration of efficient photothermal materials, multifunctional structure design, and fluidic drag reduction. This paper reports a facile one‐step method for preparing light‐driven floating devices with functional surfaces for both light absorption and drag reduction. The direct laser writing technique is employed for both arbitrary patterning and surface modification. By integrating the functional layer at the desired position or by designing asymmetric structures, three typical light‐driven floating devices with fast linear or rotational motions are demonstrated. Furthermore, these devices can be driven by a variety of light sources including sunlight, a filament lamp, or laser beams. The approach provides a simple, green, and cost‐effective strategy for building functional floating devices and smart light‐driven actuators.

中文翻译：

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通过Marangoni效应直接激光书写超疏水PDMS弹性体以进行可控的操纵

直接从光到工作的转换可以以非接触，可控制和连续的方式操纵远程设备。尽管一些开创性工作已经证明了通过光辐照引起的表面张力梯度控制设备的可行性，但是仍然存在挑战，包括灵活集成高效的光热材料，多功能结构设计和减少流体阻力。本文报道了一种简便的一步法来制备具有功能性表面的光驱动浮动器件，以同时吸收光和减少阻力。直接激光写入技术用于任意图案形成和表面改性。通过将功能层集成在所需位置或设计不对称结构，演示了三种具有快速线性或旋转运动的典型光驱动浮动装置。此外，这些设备可以由包括日光，白炽灯或激光束在内的各种光源驱动。该方法为构建功能性浮动设备和智能光驱动执行器提供了一种简单，绿色且具有成本效益的策略。