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Gold nanoparticle mediated graphene plasmon for broadband enhanced infrared spectroscopy

机译：金纳米粒子介导的石墨烯等离子体用于宽带增强的红外光谱

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摘要

Graphene plasmonics, with dynamic tunable resonance wavelength, has been successfully used in broadband plasmon-enhanced infrared spectroscopy. However, the requirement for external voltage loading makes the practical application sophisticated. In this work, the hybrid structure of graphene nanodot array (GNA) and gold nanoparticles (AuNPs) has been proposed as a passive platform for broadband infrared absorption enhancement. Numerical simulations show that the plasmon resonance peak of GNA becomes stiffer and broader when introducing AuNPs, and this is also proved by experimental results that the vibrational modes of polyethylene oxide molecule in a broad spectral range can be simultaneously enhanced. The metal-graphene hybrid plasmonic system has been proved to be a promising candidate for infrared sensing, which is significant for safety and healthy applications.
机译：具有动态可调谐波长的石墨烯血浆已成功地用于宽带等离子体增强的红外光谱。 但是，外部电压负荷的要求使得实际应用复杂。 在这项工作中，已经提出了石墨烯纳米多特阵列（GNA）和金纳米颗粒（AUNP）的混合结构作为宽带红外吸收增强的被动平台。 数值模拟表明，在引入AUNP时，GNA的等离子体共振峰变得更静得更宽，并且还通过实验结果证明了宽光谱范围中的聚环氧乙烷分子的振动模式可以同时提高。 金属 - 石墨烯混合等离子体系统已被证明是红外传感的有希望的候选者，这对于安全性和健康的应用具有重要意义。

著录项

  • 来源
    《Nanotechnology》 |2017年第26期|共6页
  • 作者

    Peng Lilan; Zhang Lei; Yuan Jian; Chen Chen; Bao Qiaoliang; Qiu Cheng-Wei; Peng Zeping; Zhang Kai;

  • 作者单位

    Southwest Univ Sch Phys Sci &

    Technol Chongqing 400715 Peoples R China;

    Xi An Jiao Tong Univ Key Lab Phys Elect &

    Devices Minist Educ Xian 710049 Peoples R China;

    Chinese Acad Sci Suzhou Inst Nanotech &

    Nanobion SINANO I Lab Suzhou 215123 Peoples R China;

    Chinese Acad Sci Suzhou Inst Nanotech &

    Nanobion SINANO I Lab Suzhou 215123 Peoples R China;

    Monash Univ Fac Engn Dept Mat Sci &

    Engn A-3800 Clayton Vic Australia;

    Natl Univ Singapore Dept Elect &

    Comp Engn 4 Engn Dr 3 Singapore 117583 Singapore;

    Southwest Univ Sch Phys Sci &

    Technol Chongqing 400715 Peoples R China;

    Chinese Acad Sci Suzhou Inst Nanotech &

    Nanobion SINANO I Lab Suzhou 215123 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 特种结构材料;
  • 关键词

    plasmonics; graphene; gold nanoparticals; infrared absorption;

    机译：血浆;石墨烯;金纳米颗粒;红外吸收;

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