Deposited nanorod films for photonic crystal biosensor applications

Wei Zhang; Seok Min Kim; Nikhil Ganesh; Ian D. Block; Patrick C. Mathias; Hsin Yu Wu; Brian T. Cunningham

doi:10.1116/1.3429595

Deposited nanorod films for photonic crystal biosensor applications

Wei Zhang, Seok Min Kim, Nikhil Ganesh, Ian D. Block, Patrick C. Mathias, Hsin Yu Wu, Brian T. Cunningham

Research output: Contribution to journal › Article › peer-review

15 Citations (Scopus)

Abstract

Planar photonic crystals have been used as the basis of many biological sensing devices. Here, the authors successfully demonstrated that the combination of the photonic crystal structures and a dielectric nanorod coating prepared by the glancing-angle deposition technique can lead to significant increases in the device sensitivity. By incorporating a TiO₂ nanorod coating onto the label-free photonic crystal biosensor structure, the surface area of the device is increased. The results for detection of polymer films and proteins indicate up to a 5.5 fold enhancement of detected adsorbed mass density.

Original language	English
Pages (from-to)	996-1001
Number of pages	6
Journal	Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films
Volume	28
Issue number	4
DOIs	https://doi.org/10.1116/1.3429595
Publication status	Published - Jul 2010
Externally published	Yes

ASJC Scopus subject areas

Condensed Matter Physics
Surfaces and Interfaces
Surfaces, Coatings and Films

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title = "Deposited nanorod films for photonic crystal biosensor applications",

abstract = "Planar photonic crystals have been used as the basis of many biological sensing devices. Here, the authors successfully demonstrated that the combination of the photonic crystal structures and a dielectric nanorod coating prepared by the glancing-angle deposition technique can lead to significant increases in the device sensitivity. By incorporating a TiO2 nanorod coating onto the label-free photonic crystal biosensor structure, the surface area of the device is increased. The results for detection of polymer films and proteins indicate up to a 5.5 fold enhancement of detected adsorbed mass density.",

author = "Wei Zhang and Kim, {Seok Min} and Nikhil Ganesh and Block, {Ian D.} and Mathias, {Patrick C.} and Wu, {Hsin Yu} and Cunningham, {Brian T.}",

note = "Funding Information: This work was supported by the National Science Foundation under Grant No. 0427657. The authors gratefully acknowledge SRU Biosystems for providing financial support for this work. The authors also extend their gratitude to the support staff 317 of the Micro and Nanotechnology Laboratory at the University of Illinois at Urbana-Champaign. ",

year = "2010",

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T1 - Deposited nanorod films for photonic crystal biosensor applications

AU - Zhang, Wei

AU - Kim, Seok Min

AU - Ganesh, Nikhil

AU - Block, Ian D.

AU - Mathias, Patrick C.

AU - Wu, Hsin Yu

AU - Cunningham, Brian T.

N1 - Funding Information: This work was supported by the National Science Foundation under Grant No. 0427657. The authors gratefully acknowledge SRU Biosystems for providing financial support for this work. The authors also extend their gratitude to the support staff 317 of the Micro and Nanotechnology Laboratory at the University of Illinois at Urbana-Champaign.

PY - 2010/7

Y1 - 2010/7

N2 - Planar photonic crystals have been used as the basis of many biological sensing devices. Here, the authors successfully demonstrated that the combination of the photonic crystal structures and a dielectric nanorod coating prepared by the glancing-angle deposition technique can lead to significant increases in the device sensitivity. By incorporating a TiO2 nanorod coating onto the label-free photonic crystal biosensor structure, the surface area of the device is increased. The results for detection of polymer films and proteins indicate up to a 5.5 fold enhancement of detected adsorbed mass density.

AB - Planar photonic crystals have been used as the basis of many biological sensing devices. Here, the authors successfully demonstrated that the combination of the photonic crystal structures and a dielectric nanorod coating prepared by the glancing-angle deposition technique can lead to significant increases in the device sensitivity. By incorporating a TiO2 nanorod coating onto the label-free photonic crystal biosensor structure, the surface area of the device is increased. The results for detection of polymer films and proteins indicate up to a 5.5 fold enhancement of detected adsorbed mass density.

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Deposited nanorod films for photonic crystal biosensor applications

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