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首页> 外文期刊>Advanced Functional Materials >Thermally Controlled, Patterned Graphene Transfer Printing for Transparent and Wearable Electronic/Optoelectronic System
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Thermally Controlled, Patterned Graphene Transfer Printing for Transparent and Wearable Electronic/Optoelectronic System

机译：用于透明和可穿戴电子/光电系统的热控制，图案化石墨烯转移印刷

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摘要

Graphene has been highlighted as a platform material in transparent electronics and optoelectronics, including flexible and stretchable ones, due to its unique properties such as optical transparency, mechanical softness, ultrathin thickness, and high carrier mobility. Despite huge research efforts for graphene-based electronic/optoelectronic devices, there are remaining challenges in terms of their seamless integration, such as the high-quality contact formation, precise alignment of micrometer-scale patterns, and control of interfacial-adhesion/local-resistance. Here, a thermally controlled transfer printing technique that allows multiple patterned-graphene transfers at desired locations is presented. Using the thermal-expansion mismatch between the viscoelastic sacrificial layer and the elastic stamp, a "heating and cooling" process precisely positions patterned graphene layers on various substrates, including graphene prepatterns, hydrophilic surfaces, and super-hydrophobic surfaces, with high transfer yields. A detailed theoretical analysis of underlying physics/mechanics of this approach is also described. The proposed transfer printing successfully integrates graphene-based stretchable sensors, actuators, light-emitting diodes, and other electronics in one platform, paving the way toward transparent and wearable multifunctional electronic systems.
机译：石墨烯因其独特的特性，例如光学透明性，机械柔软性，极薄的厚度和高的载流子迁移率，已被强调为透明电子和光电子学（包括柔性和可拉伸的）中的一种平台材料。尽管对基于石墨烯的电子/光电设备进行了大量研究，但在其无缝集成方面仍然存在挑战，例如高质量的触点形成，微米级图案的精确对准以及界面粘合/局部粘合的控制。抵抗性。在此，提出了一种热控制转印技术，该技术允许在所需位置进行多次图案化的石墨烯转印。利用粘弹性牺牲层和弹性印模之间的热膨胀失配，“加热和冷却”过程可将图案化的石墨烯层精确地定位在各种基材上，包括石墨烯预图案，亲水性表面和超疏水性表面，具有高转移率。还介绍了此方法的基础物理/力学的详细理论分析。拟议的转移印刷成功地将基于石墨烯的可拉伸传感器，致动器，发光二极管和其他电子设备集成到一个平台中，从而为透明且可穿戴的多功能电子系统铺平了道路。

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  • 来源
    《Advanced Functional Materials》 |2015年第46期|7109-7118|共10页
  • 作者

    Choi Moon Kee; Park Inhyuk; Kim Dong Chan; Joh Eehyung; Park Ok Kyu; Kim Jaemin; Kim Myungbin; Choi Changsoon; Yang Jiwoong; Cho Kyoung Won; Hwang Jae-Ho; Nam Jwa-Min; Hyeon Taeghwan; Kim Ji Hoon; Kim Dae-Hyeong;

  • 作者单位

    Inst for Basic Sci Korea, Ctr Nanoparticle Res, Seoul 151742, South Korea|Seoul Natl Univ, Sch Chem & Biol Engn, Seoul 151742, South Korea|Seoul Natl Univ, Inst Chem Proc, Seoul 151742, South Korea;

    Inst for Basic Sci Korea, Ctr Nanoparticle Res, Seoul 151742, South Korea|Seoul Natl Univ, Sch Chem & Biol Engn, Seoul 151742, South Korea|Seoul Natl Univ, Inst Chem Proc, Seoul 151742, South Korea;

    Inst for Basic Sci Korea, Ctr Nanoparticle Res, Seoul 151742, South Korea|Seoul Natl Univ, Sch Chem & Biol Engn, Seoul 151742, South Korea|Seoul Natl Univ, Inst Chem Proc, Seoul 151742, South Korea;

    Inst for Basic Sci Korea, Ctr Nanoparticle Res, Seoul 151742, South Korea|Seoul Natl Univ, Sch Chem & Biol Engn, Seoul 151742, South Korea|Seoul Natl Univ, Inst Chem Proc, Seoul 151742, South Korea;

    Korea Basic Sci Inst, Div Bioimaging, Chunchon 200701, South Korea;

    Inst for Basic Sci Korea, Ctr Nanoparticle Res, Seoul 151742, South Korea|Seoul Natl Univ, Sch Chem & Biol Engn, Seoul 151742, South Korea|Seoul Natl Univ, Inst Chem Proc, Seoul 151742, South Korea;

    Inst for Basic Sci Korea, Ctr Nanoparticle Res, Seoul 151742, South Korea|Seoul Natl Univ, Sch Chem & Biol Engn, Seoul 151742, South Korea|Seoul Natl Univ, Inst Chem Proc, Seoul 151742, South Korea;

    Inst for Basic Sci Korea, Ctr Nanoparticle Res, Seoul 151742, South Korea|Seoul Natl Univ, Sch Chem & Biol Engn, Seoul 151742, South Korea|Seoul Natl Univ, Inst Chem Proc, Seoul 151742, South Korea;

    Seoul Natl Univ, Sch Chem & Biol Engn, Seoul 151742, South Korea|Seoul Natl Univ, Inst Chem Proc, Seoul 151742, South Korea|Inst for Basic Sci Korea, Ctr Nanoparticle Res, Seoul 151742, South Korea;

    Seoul Natl Univ, Sch Chem & Biol Engn, Seoul 151742, South Korea|Seoul Natl Univ, Inst Chem Proc, Seoul 151742, South Korea|Inst for Basic Sci Korea, Ctr Nanoparticle Res, Seoul 151742, South Korea;

    Seoul Natl Univ, Dept Chem, Seoul 151742, South Korea;

    Seoul Natl Univ, Dept Chem, Seoul 151742, South Korea;

    Seoul Natl Univ, Sch Chem & Biol Engn, Seoul 151742, South Korea|Seoul Natl Univ, Inst Chem Proc, Seoul 151742, South Korea|Inst for Basic Sci Korea, Ctr Nanoparticle Res, Seoul 151742, South Korea;

    Pusan Natl Univ, Sch Mech Engn, Busan 609735, South Korea;

    Inst for Basic Sci Korea, Ctr Nanoparticle Res, Seoul 151742, South Korea|Seoul Natl Univ, Sch Chem & Biol Engn, Seoul 151742, South Korea|Seoul Natl Univ, Inst Chem Proc, Seoul 151742, South Korea;

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