Abstract
Organic hybrid perovskite (OHP) is one of the most attractive optical absorbable and reactive materials. However, excellent light-responsive self-healing polymeric composite film based on OHP is difficult to obtain. Here, four two-dimensional (2D) OHP with different typical sizes and morphologies were prepared by regulating with four different typical diamines, and the novel scale-like plate-stack 2D MoS2-OHP longitudinal heterostructure was fabricated. Then, a valid structure strategy, utilizing 2D MoS2-OHP as the light-responsive material and self-healing polyurethane (PU) as polymer matrix, is firstly developed to realize high performance light response. Among these light responsive self-healing polymer materials, the MoS2-OHP-3/PU composite film exhibited excellent figures of merit, including high light stimulation response (ΔR value was 70.0589 MΩ), strong tensile strength value (8.06 ± 0.05 MPa), high maximum elongation (467 ± 13.82%), high self-healing efficiency (80% for mechanical properties, 95% for light-response) and ultra-high humidity stability (86% for light response, 81.89% mechanical properties). This work provided a novel method and a feasible substrate for the development of self-healing, flexible and scalable intelligent response soft materials.
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