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Scanning probe-shaped nanohole arrays with extraordinary optical transmission as platform for enhanced surface plasmon-based biosensing

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2006
Authors
Jakšić, Zoran
Maksimović, Milan
Vasiljević-Radović, Dana
Tanasković, Dragan
Sarajlić, Milija
Conference object (Published version)
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Abstract
We analyzed the use of subwaveleneth ordered nanohole patterns for detection of miniscule amounts of biological analytes. Owing to their surface plasmon resonance (SPR) operation, such structures show an extraordinarily, high optical transmission in visible spectrum. at the same time concentrating the illumination to the very small area of the nanoholes and being much more sensitive to refractive index changes than the conventional SPR sensors. We applied in approximate analytical approach to design our V-shaped, nanometer-sized hole arrays. We utilized scanning-probe nanolithography to fabricate the designed nanoholes in silver substrate. We investigated the topography of the obtained patterns by atomic force microscopy. Compared to conventional SPR optical sensors. the nanohole array-based structures allow for the detection of smaller quantities of analytes. enhance nonlinear effects and ensure improved sensitivities to different analytes.
Source:
25th International Conference on Microelectronics, MIEL 2006 - Proceedings, 2006, 107-
Publisher:
  • Institute of Electrical and Electronics Engineers Inc.
Projects:
  • TR6151 - Micro and Nanosystem Technologies, Structures and Sensors

DOI: 10.1109/ICMEL.2006.1650905

ISSN: 2159-1660

WoS: 000238839700016

Scopus: 2-s2.0-77956522584
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URI
http://cer.ihtm.bg.ac.rs/handle/123456789/241
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