Nickel determination by complexation utilizing a functionalized optical waveguide sensor

Erin S. Carter, Klaus H. Dahmen

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This research focuses on the design of chemically functionalized optical waveguide sensors. The waveguide is an optically transparent sol-gel coated onto a glass substrate chip. By having a higher refractive index than the substrate, the waveguide internally reflects a laser beam to photodetectors at both ends of the chip. The adsorption of any species onto the waveguide surface changes the light propagation, and therefore its effective refractive index, N. The change in N is dependent upon the amount of analyte present. By covalently bonding specific chemical receptors onto its surface, it can be designed to target a particular analyte. This research involves functionalizing the surface of the waveguide with ED3A in order to complex out of solution Ni 2+. The change in N and the thickness of the adlayer will allow the concentration to be determined.

Original languageEnglish
Title of host publicationMaterials Research Society Symposium - Proceedings
EditorsM Geselbracht, J Greedan, D Johnson, M A Subramanian
Volume658
Publication statusPublished - 2001
Externally publishedYes
EventSolid - State Chemistry of Inorganic Materials III - Boston, MA, United States
Duration: 27 Nov 200030 Nov 2000

Other

OtherSolid - State Chemistry of Inorganic Materials III
CountryUnited States
CityBoston, MA
Period27/11/0030/11/00

Fingerprint

Optical waveguides
Nickel
Complexation
Waveguides
Sensors
Refractive index
Light propagation
Substrates
Photodetectors
Sol-gels
Laser beams
Adsorption
Glass

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials

Cite this

Carter, E. S., & Dahmen, K. H. (2001). Nickel determination by complexation utilizing a functionalized optical waveguide sensor. In M. Geselbracht, J. Greedan, D. Johnson, & M. A. Subramanian (Eds.), Materials Research Society Symposium - Proceedings (Vol. 658)

Nickel determination by complexation utilizing a functionalized optical waveguide sensor. / Carter, Erin S.; Dahmen, Klaus H.

Materials Research Society Symposium - Proceedings. ed. / M Geselbracht; J Greedan; D Johnson; M A Subramanian. Vol. 658 2001.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Carter, ES & Dahmen, KH 2001, Nickel determination by complexation utilizing a functionalized optical waveguide sensor. in M Geselbracht, J Greedan, D Johnson & MA Subramanian (eds), Materials Research Society Symposium - Proceedings. vol. 658, Solid - State Chemistry of Inorganic Materials III, Boston, MA, United States, 27/11/00.
Carter ES, Dahmen KH. Nickel determination by complexation utilizing a functionalized optical waveguide sensor. In Geselbracht M, Greedan J, Johnson D, Subramanian MA, editors, Materials Research Society Symposium - Proceedings. Vol. 658. 2001
Carter, Erin S. ; Dahmen, Klaus H. / Nickel determination by complexation utilizing a functionalized optical waveguide sensor. Materials Research Society Symposium - Proceedings. editor / M Geselbracht ; J Greedan ; D Johnson ; M A Subramanian. Vol. 658 2001.
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