Journal of Sol-Gel Science and Technology

, Volume 32, Issue 1–3, pp 229–236 | Cite as

Sol–Gel Chemistry for Ba2+ Sensors to Allow Oil Production Engineered Nanometrically

  • Lee Courtney
  • Paul A. Sermon
  • Jenny Towers
  • Dost Halepoto
  • Angela F. Danil de Namor
  • Ian R. Collins
Article

Abstract

Work on the development of a Ba2 +-sensitive sol–gel based optical fiber (OF) for use in oil wells is described. The optical fiber (OF) has on its surface a Ba2 + chelating ligand (L) immobilized at a 2–16 wt% loading immobilized in a porous SiO2 sol–gel host. The authors report sol–gel routes to these SiO2 and L/SiO2 nanocomposites and describe their characterization by XPS, fluorescence, NMR, UV-vis and BET methods. They also report on the sol–gel coating and its selectivity to Ba2 +(aq).

Keywords

silica sol–gels sensor Ba2 + ions crown ether picric acid calixarene 
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Copyright information

© Kluwer Academic Publishers 2004

Authors and Affiliations

  • Lee Courtney
    • 1
  • Paul A. Sermon
    • 1
  • Jenny Towers
    • 1
  • Dost Halepoto
    • 1
  • Angela F. Danil de Namor
    • 1
  • Ian R. Collins
    • 2
  1. 1.Chemistry, School of Biomedical and Molecular SciencesUniversity of SurreySurreyUK
  2. 2.BP Exploration Operating Co. Ltd.Sunbury-on-ThamesUK

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