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Breaking the Rate-Integrity Dilemma in Large-Area Bubbling Transfer of Graphene by Strain Engineering

机译：应变工程破坏石墨烯大面积冒泡转移的速率 - 完整性困境

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摘要

Efficient electrochemical bubbling delamination is highly promising for realizing the scalable transfer of high-quality chemical vapor deposition (CVD) graphene film. However, it remains a challenge to significantly improve the low delamination rate of large-area graphene without causing structural damage. Here, a strain-engineering strategy is reported to break this rate-integrity dilemma by introducing appreciable compressive strain into graphene to dramatically accelerate the delamination of CVD graphene from Cu foil in a non-destructive manner. An astonishing 25-fold improvement in the delamination rate is achieved by hot bubbling graphene coated with a post-cured UV-epoxy adhesive. Meanwhile, the inherent structural integrity of delaminated graphene films is well preserved. The strategy is superior to the prevalent methods by simultaneously realizing the unprecedented high-rate delamination and intact transfer. It is further demonstrated that it allows the highly efficient roll-to-roll bubbling transfer of meter-scale high-quality graphene films.
机译：高效的电化学鼓泡分层对于实现高质量的化学气相沉积（CVD）石墨烯薄膜的可扩展转移是高度的承诺。然而，显着提高大面积石墨烯的低分层速率仍然是一个挑战，而不会导致结构损伤。这里，据报道，通过将可明显的压缩菌株引入石墨烯中以显着加速Cu箔以非破坏性方式来打破这种速率 - 完整性困境。通过用固化后的UV-环氧粘合剂涂覆的热鼓泡石墨烯来实现分层速率的惊人的25倍。同时，被疏散的石墨烯薄膜的固有结构完整性得到良好的保存。该策略通过同时实现前所未有的高速分层和完整转移来优于普遍的方法。进一步证明它允许仪表级高质量石墨烯薄膜的高效轧制转移转移。

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  • 来源
    《Advanced Functional Materials》 |2021年第36期|2104228.1-2104228.6|共6页
  • 作者

    Ma Lai-Peng; Dong Shichao; Cheng Hui-Ming; Ren Wencai;

  • 作者单位

    Chinese Acad Sci Inst Met Res Shenyang Natl Lab Mat Sci 72 Wenhua Rd Shenyang 110016 Peoples R China|Univ Sci & Technol China Sch Mat Sci & Engn 72 Wenhua Rd Shenyang 110016 Peoples R China;

    Chinese Acad Sci Inst Met Res Shenyang Natl Lab Mat Sci 72 Wenhua Rd Shenyang 110016 Peoples R China|Univ Sci & Technol China Sch Mat Sci & Engn 72 Wenhua Rd Shenyang 110016 Peoples R China;

    Chinese Acad Sci Inst Met Res Shenyang Natl Lab Mat Sci 72 Wenhua Rd Shenyang 110016 Peoples R China|Univ Sci & Technol China Sch Mat Sci & Engn 72 Wenhua Rd Shenyang 110016 Peoples R China|Chinese Acad Sci Shenzhen Inst Adv Technol 1068 Xueyuan Ave Shenzhen 518055 Peoples R China;

    Chinese Acad Sci Inst Met Res Shenyang Natl Lab Mat Sci 72 Wenhua Rd Shenyang 110016 Peoples R China|Univ Sci & Technol China Sch Mat Sci & Engn 72 Wenhua Rd Shenyang 110016 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    adhesive; compressive strain; delamination rate; graphene; structural integrity;

    机译：粘合剂;压缩菌株;分层率;石墨烯;结构完整性;

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