journal article·2025-01-08

Multiphase Janus Azobenzene Inverse Opal Membrane toward On-Demand Photocontrolled Motion

Junchao Liu, Xiaojiao Yu, Zhong Yu, Jinfen Niu, Ningning Zhao, Songtao Shao, Pan Jia, Jingxia Wang

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Abstract

Azobenzene actuators have generated extensive research investment in the field of soft robots, artificial muscles, etc., based on the typical photoresponsive trans - cis isomerization. However, it remains challenging to achieve multiphase actuation at the gas–liquid interface and liquid phase. To solve these problems, this paper demonstrated a simple fabrication method of a Janus azobenzene inverse opal membrane with one side having a polydomain azobenzene inverse opal structure and the other side having a monodomain bulk azobenzene polymer. The introduction of an inverse opal structure increases the interaction area between the liquid and polymer network. The proposed design can freely swim in any direction at the air–liquid interface based on the Marangoni effect or move forward in the liquid phase based on bubble propulsion under UV irradiation. This work is of great significance for the design and fabrication of multiphase photo actuators.
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Research context

OpenAlex topics: Advanced Materials and Mechanics · Photochromic and Fluorescence Chemistry · Liquid Crystal Research Advancements

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

Affiliations

School of Sciences, Xi’an University of Technology, Xi’an 710048, China

School of Mathematics and Data Science, Shaanxi University of Science Technology,, Xi’an Wei-yang University Park, Xi’an710021, China

Hebei Key Laboratory of Inorganic Nanomaterials, College of Chemistry and Material Science, Hebei Normal University, Shijiazhuang 050024, China

Key Laboratory of Bio-inspired Materials and Interfaces Sciences, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China

Funding

Xi'an University of Technology · Scientific Research Plan Projects of Shaanxi Education Department · Natural Science Basic Research Program of Shaanxi Province · National Natural Science Foundation of China · Chinese Academy of Sciences · Dutch Research Project · Shaanxi Academy of Basic Sciences Fund

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