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journal article·2025-03Open access

Helical Soft Robots with Magnetic and Photocatalytic Components for Water Remediation

Pengyang Xuan, Jiaming Gong, Tongfang Fu, Yazhou Zhou, Jingjing Qin, Haoxiang Chen, Tianlu Wang, Guohao Xue, Xiaoyuan Peng, Yun Qian, Silvio Osella, Radek Zbořil, Johan Hofkens, Klaus Müllen, Feili Lai, Tianxi Liu

Small· Volume 21· Issue 11
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Source abstract

Abstract

Abstract Soft robots have demonstrated exceptional potential in various applications, particularly in biomedicine, which is attributed to their motional agility and machinability. However, their potential applications in water remediation have not been fully explored. The main challenge is to achieve both precise motion and efficient pollutant degradation. Herein, a modular design is reported for fabricating soft robots. These robots are designed with spatially separated components. One is superparamagnetic iron oxide nanoparticles for magnetic actuation and the other is photocatalysts for targeted pollutant degradation (i.e., methyl orange, congo red, rhodamine B, tetracycline, and soybean oil). The helical structure enables diverse programmable motional modes, including high‐speed propulsion up to 3.54 mm s −1 . At the same time, the photocatalytic module enables efficient degradation of multiple pollutants with excellent reusability. The modular design combines structural stability with multifunctionality and opens new opportunities for soft robots in environmental remediation.
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Research context

NanomaterialsCatalysis & surfaces

OpenAlex topics: Micro and Nano Robotics · Soft Robotics and Applications · Advanced Materials and Mechanics

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

The Key Laboratory of Synthetic and Biological Colloids Ministry of Education School of Chemical and Material Engineering Jiangnan University Wuxi 214122 P. R. China

State Key Laboratory of Metal Matrix Composites School of Materials Science and Engineering Shanghai Jiao Tong University Shanghai 200240 P. R. China

Chair of Thermodynamics of Mobile Energy Conversion Systems RWTH Aachen University 52074 Aachen Germany

Nanotechnology Centre Centre for Energy and Environmental Technologies (CEET) VSB─Technical University of Ostrava 17. listopadu 2172/15 Ostrava‐Poruba 708 00 Czech Republic

Department of Molecular Spectroscopy Max Planck Institute for Polymer Research Ackermannweg 10 55128 Mainz Germany

Department of Orthopaedics Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine Shanghai 200233 P. R. China

Chemical and Biological Systems Simulation Lab Centre of New Technologies University of Warsaw Warsaw 02–097 Poland

Department of Chemistry KU Leuven Celestijnenlaan 200F Leuven 3001 Belgium

Funding

National Natural Science Foundation of China · Fonds Wetenschappelijk Onderzoek

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