研究目的
To develop stretchable solar cells that can accommodate large strain and feature high cyclic mechanical endurance for wearable and skin-interfaced electronics application.
研究成果
The kirigami design imparted high mechanical deformability including stretchability, twistability, and bendability to the PSCs, with almost unchanged performance even after 1000 cycles of stretching, twisting, or bending. This design provides a promising strategy for achieving high deformability in solar cells and other optoelectronic devices.
研究不足
The study focuses on individual cells rather than solar modules, and the performance during deformation was measured for individual cells. The practical application in modules was not experimentally demonstrated.
1：Experimental Design and Method Selection:
The study employed kirigami design to impart stretchability to perovskite solar cells (PSCs) through out-of-plane deformation.
2：Sample Selection and Data Sources:
PSCs were fabricated on cellophane substrates using TiO2/ultrathin Ag/TiO2 transparent electrodes.
3：List of Experimental Equipment and Materials:
Universal testing machine (5569A and 3366, Instron, USA), J-V test system (Soli A, Newport Oriel, USA), SEM (Hitachi, S-4800, Japan), and commercial finite-element software ABAQUS for mechanical simulation.
4：Experimental Procedures and Operational Workflow:
Fabrication of kirigami-based PSCs, mechanical testing under stretching, twisting, and bending, and performance evaluation.
5：Data Analysis Methods:
Performance parameters were extracted from J-V curves, and mechanical behavior was analyzed using FEA simulation.
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