Novel silicon dioxide sol-gel films for potential sensor applications: a surface plasmon resonance study

Dev K. Kambhampati, Thomas A M Jakob, Joseph W. Robertson, Mei Cai, Jeanne E Pemberton, Wolfgang Knoll

Research output: Contribution to journalArticle

79 Citations (Scopus)

Abstract

Stable silicon dioxide (silica, SiO2) films on noble metals were synthesized using a novel sol-gel technique. Surface plasmon resonance (SPR) spectroscopy was used to compare the stability of silica films generated by this sol-gel technique with those deposited by using thermal evaporation, in the presence of PBS buffer. These films were later chemically functionalized with various reactive groups as a test for their versatility and usefulness in sensoric applications. A surface grating enclosed in a high-pressure and elevated temperature cell was used in the investigation of polymer brushes while SPR coupled with fluorescence detection schemes was used in the Kretschmann prism configuration to monitor DNA hybridization interactions.

Original languageEnglish (US)
Pages (from-to)1169-1175
Number of pages7
JournalLangmuir
Volume17
Issue number4
DOIs
StatePublished - Feb 20 2001

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Surface plasmon resonance
surface plasmon resonance
Silicon Dioxide
Sol-gels
Silica
gels
silicon dioxide
sensors
Sensors
Thermal evaporation
brushes
Brushes
versatility
Precious metals
Prisms
noble metals
prisms
Buffers
Polymers
DNA

ASJC Scopus subject areas

  • Colloid and Surface Chemistry
  • Physical and Theoretical Chemistry

Cite this

Novel silicon dioxide sol-gel films for potential sensor applications : a surface plasmon resonance study. / Kambhampati, Dev K.; Jakob, Thomas A M; Robertson, Joseph W.; Cai, Mei; Pemberton, Jeanne E; Knoll, Wolfgang.

In: Langmuir, Vol. 17, No. 4, 20.02.2001, p. 1169-1175.

Research output: Contribution to journalArticle

Kambhampati, Dev K. ; Jakob, Thomas A M ; Robertson, Joseph W. ; Cai, Mei ; Pemberton, Jeanne E ; Knoll, Wolfgang. / Novel silicon dioxide sol-gel films for potential sensor applications : a surface plasmon resonance study. In: Langmuir. 2001 ; Vol. 17, No. 4. pp. 1169-1175.
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