Title :
Large-area bi-functional nano-mushroom plasmonic sensor for colorimetry and surface-enhanced Raman spectroscopy
Author :
Zhida Xu ; Khan, Imran ; Han, Kwangseok ; Jing Jiang ; Liu, Gang Logan
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Illinois at Urbana-Champaign, Urbana, IL, USA
Abstract :
Wafer-scale nano-mushroom sensor was demonstrated with the refractive index sensitivity of 373 nm/RIU, resulting in significant color shift detectable by eye. It also works for surface-enhanced Raman spectroscopy with the enhancement factor of 107.
Keywords :
Raman spectroscopy; colorimetry; nanosensors; plasma devices; refractive index; color shift; colorimetry; enhancement factor; large-area bifunctional nano-mushroom plasmonic sensor; refractive index sensitivity; surface-enhanced Raman spectroscopy; wafer-scale nanomushroom sensor; Image color analysis; Microscopy; Nanobioscience; Raman scattering; Refractive index; Sensors; Substrates;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
