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Fluorescence Hydrogen Peroxide Probe Based on a Microstructured Polymer Optical Fiber Modified with a Titanium Dioxide Film

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Abstract:

A highly sensitive microstructured polymer optical fiber (MPOF) probe for hydrogen peroxide was made by forming a rhodamine 6G-doped titanium dioxide film on the side walls of array holes in an MPOF. It was found that hydrogen peroxide only has a response to the MPOF probe in a certain concentration of potassium iodide in sulfuric acid solution. The calibration graph of fluorescence intensity versus hydrogen peroxide concentration is linear in the range of 1.6 × 10−7 mol/L to 9.6 × 10−5 mol/L. The method, with high sensitivity and a wide linear range, has been applied to the determination of trace amounts of hydrogen peroxide in a few real samples, such as rain water and contact lens disinfectant, with satisfactory results.

Keywords: FLUORESCENCE PROBE; HYDROGEN PEROXIDE; MICROSTRUCTURED POLYMER OPTICAL FIBER; TITANIUM OXIDE FILM

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/000370210791211709

Affiliations: 1: State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Information road 17, Xi'an, Shaanxi, 710119, China; Graduate University of Chinese Academy of Science, Beijing 100039, China 2: State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Information road 17, Xi'an, Shaanxi, 710119, China

Publication date: May 1, 2010

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