Low-cost and large-size nanoplasmonic sensor based on Fano resonances with fast response and high sensitivity.

We have developed a low-cost, fast and sensitive plasmonic sensor with a large-size for easy handling. The sensor is formed by a Au nanobelt grating fabricated by soft lithography with a period of 780 nm and a width of 355 nm in an even and uniform area of ~2 × 2 cm2. The sensor uses the Fano-shaped third order mode localized plasmon resonance of the Au nanobelts, which appears in the visible part of the transmission spectrum. We have found a detection resolution of 1.56 × 10-5 refractive index units with a temporal resolution of 1 s in a sensing area of 0.75 × 0.75 mm2. The high uniformity and size of the sensor permit the detection using a simple optical system, which provides the device with the potential to be used as an easy to handle, portable and disposable sensor.

[1]  Laura M. Lechuga,et al.  Improved Biosensing Capability with Novel Suspended Nanodisks , 2011 .

[2]  J. Homola.  Surface plasmon resonance sensors for detection of chemical and biological species. , 2008, Chemical reviews.

[3]  Jiaqi Zhu,et al.  Fano Resonance in Waveguide Coupled Surface Exciton Polaritons: Theory and Application in Biosensor , 2018, Sensors.

[4]  G. Armelles,et al.  Probing the electromagnetic field distribution within a metallic nanodisk. , 2011, Small.

[5]  Pei-Wen Chen,et al.  Enhancing surface plasmon detection using template-stripped gold nanoslit arrays on plastic films. , 2012, ACS nano.

[6]  Karim Khan,et al.  Plasmonic Spectral Splitting in Ring/Rod Metasurface , 2017, Nanomaterials.

[7]  R. Salvarezza,et al.  Self-assembled monolayers of thiols and dithiols on gold: new challenges for a well-known system. , 2010, Chemical Society reviews.

[8]  R. Rodríguez-Oliveros,et al.  Fano-like interference of plasmon resonances at a single rod-shaped nanoantenna , 2011, 1111.3551.

[9]  Federico Capasso,et al.  Fano resonances in plasmonic nanoclusters: geometrical and chemical tunability. , 2010, Nano letters.

[10]  Niels Verellen,et al.  Fano resonances in individual coherent plasmonic nanocavities. , 2009, Nano letters.

[11]  W. Barnes,et al.  Collective resonances in gold nanoparticle arrays. , 2008, Physical review letters.

[12]  S. Maier,et al.  Fano resonances in nanoscale plasmonic systems: a parameter-free modeling approach. , 2011, Nano letters.

[13]  R. W. Christy,et al.  Optical Constants of the Noble Metals , 1972 .

[14]  José Miguel García-Martín,et al.  Parallel collective resonances in arrays of gold nanorods. , 2014, Nano letters.

[15]  P. Nordlander,et al.  The Fano resonance in plasmonic nanostructures and metamaterials. , 2010, Nature materials.

[16]  L. Lagae,et al.  Mode parity-controlled Fano- and Lorentz-like line shapes arising in plasmonic nanorods. , 2014, Nano letters.

[17]  P. Wei,et al.  Optofluidic platform for real-time monitoring of live cell secretory activities using Fano resonance in gold nanoslits. , 2013, Small.

[18]  K. Kavanagh,et al.  Surface plasmon sensor based on the enhanced light transmission through arrays of nanoholes in gold films. , 2004, Langmuir : the ACS journal of surfaces and colloids.

[19]  A. E. Cetin,et al.  Seeing protein monolayers with naked eye through plasmonic Fano resonances , 2011, Proceedings of the National Academy of Sciences.

[20]  Beibei Zeng,et al.  Rapid and highly sensitive detection using Fano resonances in ultrathin plasmonic nanogratings , 2014 .

[21]  A. Nikitin.  Diffraction-induced subradiant transverse-magnetic lattice plasmon modes in metal nanoparticle arrays , 2014 .

[22]  M. Stewart.  Quantitative multispectral biosensing and imaging using plasmonic crystals , 2008 .

[23]  R. Paniagua-Domínguez,et al.  High-performance nanosensors based on plasmonic Fano-like interference: probing refractive index with individual nanorice and nanobelts. , 2012, ACS nano.

[24]  A. Miroshnichenko,et al.  Hybrid Metasurface Based Tunable Near-Perfect Absorber and Plasmonic Sensor , 2018, Materials.

[25]  Laura M Lechuga,et al.  Identification of the optimal spectral region for plasmonic and nanoplasmonic sensing. , 2010, ACS nano.

[26]  J. Homola,et al.  Surface plasmon resonance (SPR) sensors: approaching their limits? , 2009, Optics express.

[27]  J. Cuevas,et al.  Hybrid Magnetoplasmonic Crystals Boost the Performance of Nanohole Arrays as Plasmonic Sensors , 2016 .

[28]  A. Brolo,et al.  Periodic metallic nanostructures as plasmonic chemical sensors. , 2013, Langmuir : the ACS journal of surfaces and colloids.

[29]  Pei-Kuen Wei,et al.  Ultrasensitive Biosensors Using Enhanced Fano Resonances in Capped Gold Nanoslit Arrays , 2015, Scientific Reports.

[30]  Mikael Käll,et al.  Refractometric sensing using propagating versus localized surface plasmons: a direct comparison. , 2009, Nano letters.

[31]  Jeffrey N. Anker,et al.  Biosensing with plasmonic nanosensors. , 2008, Nature materials.

[32]  Qiaoqiang Gan,et al.  Plasmonic Mach-Zehnder interferometer for ultrasensitive on-chip biosensing. , 2011, ACS nano.

[33]  L. F. Hoyt.  New Table of the Refractive Index of Pure Glycerol at 20°C , 1934 .

[34]  Beibei Zeng,et al.  Rapid and highly-sensitive detection using Fano resonances in ultrathin plasmonic nanogratings , 2015, 2015 Conference on Lasers and Electro-Optics (CLEO).