纳米天线辅助的有机分子振动模式红外吸收的等离子体增强
Nanoantenna-assisted plasmonic enhancement of IR absorption of vibrational modes of organic molecules.
作者信息
Milekhin Alexander G, Cherkasova Olga, Kuznetsov Sergei A, Milekhin Ilya A, Rodyakina Ekatherina E, Latyshev Alexander V, Banerjee Sreetama, Salvan Georgeta, Zahn Dietrich R T
机构信息
A.V. Rzhanov Institute of Semiconductor Physics, Novosibirsk, 630090, Russia.
Novosibirsk State University, Novosibirsk, 630090, Russia.
出版信息
Beilstein J Nanotechnol. 2017 May 3;8:975-981. doi: 10.3762/bjnano.8.99. eCollection 2017.
Nanoantenna-assisted plasmonic enhancement of IR absorption and Raman scattering was employed for studying the vibrational modes in organic molecules. Ultrathin cobalt phthalocyanine films (3 nm) were deposited on Au nanoantenna arrays with specified structural parameters. The deposited organic films reveal the enhancement of both Raman scattering and IR absorption vibrational modes. To extend the possibility of implementing surface-enhanced infrared absorption (SEIRA) for biological applications, the detection and analysis of the steroid hormone cortisol was demonstrated.
利用纳米天线辅助的等离子体增强红外吸收和拉曼散射来研究有机分子中的振动模式。将超薄钴酞菁薄膜（3纳米）沉积在具有特定结构参数的金纳米天线阵列上。所沉积的有机薄膜显示出拉曼散射和红外吸收振动模式均得到增强。为了扩展将表面增强红外吸收（SEIRA）应用于生物领域的可能性，对类固醇激素皮质醇进行了检测和分析。
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