A General Strategy for Hybrid Thin Film Fabrication and Transfer onto Arbitrary Substrates

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【标题】A General Strategy for Hybrid Thin Film Fabrication and Transfer onto Arbitrary Substrates

【作者】 Yong Ou Zhang  John J. Magan  Werner J Blau 

【关键词】General Method Transfer Method Thin Film Curvature TURE 

【摘要】The development of thin film-based structures/devices often requires thin films to be transferred onto arbitrary substrates/surfaces. Controllable and non-destructive transfer method; although highly desired; remains quite challenging. Here we report a general method for fabrication and transfer of hybrid (ultra)thin films. The proposed solution-based in-situ transfer method shows not only its robust ability for thin film transfer onto arbitrary substrates but also its highly controlled and non-destructive characteristic. With a hole structure as the support; fully-stretched free-standing thin film is prepared. The successful transfer to a curved surface demonstrates the possibility for production of thin film-coated complex optical components. Ultrathin (35?nm) hybrid film transferred onto PET (50?μm thick) shows high transparency (>90% in visible range); conductivity (1.54 × 10(4)?S/m); and flexibility (radius of curvature down to mm scale). The reported transfer method would provide a powerful route towards complex thin film-based structures/devices.

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