Authors
Yixuan Wang, Enjian He, Guoli Wang, Yen Wei, Yan Ji
Published in
Advanced materials (Deerfield Beach, Fla.). Pages e75020. Sep 21, 2026. Epub Sep 21, 2026.
Abstract
Liquid crystal elastomers (LCEs) uniquely merge liquid crystal anisotropy with rubbery elasticity, positioning them as cornerstone materials for soft actuators. As the field is progressing from laboratory demonstrations toward practical applications in soft robotics and biomedical devices, it is moving beyond the simple, uniform deformations toward advanced spatially programmable properties and integrated functionalities. The design principles underlying these advances lie in heterogeneous integration, defined as the intentional spatial design of chemical, structural, or orientational differences across a unified LCE system, permitting precise programming of differentiated actuation directions, mechanical gradients, and sequential responsiveness unattainable in homogeneous LCEs. Heterogeneous integration pervades almost all advances in alignment techniques, network engineering, and device assembly. This review categorizes the diverse achievements into three hierarchical strategies: heterogeneity in orientation, heterogeneity in polymer network architecture, and heterogeneous modular assembly. We systematically summarize the mechanistic origins, achievable precision, and functional outputs of each approach. Furthermore, we outline future directions from discrete patterning to continuous gradients, from single-dimensional to multidimensional integration, and from static programming to adaptive evolution. This review establishes a coherent conceptual blueprint to guide the rational design of next-generation intelligent LCE systems.
PMID:
42765468
Bibliographic data and abstract were imported from PubMed on 21 Sep 2026.
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