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http://dx.doi.org/10.6110/KJACR.2013.25.12.668

Fabrication and Performance Investigation of Surface Temperature Sensor Using Fluorescent Nanoporous Thin Film I  

Kim, Hyun Jung (Department of Mechanical Engineering, Ajou University)
Yoo, Jaisuk (Department of Mechanical Engineering, Ajou University)
Park, Jinil (Department of Mechanical Engineering, Ajou University)
Publication Information
Korean Journal of Air-Conditioning and Refrigeration Engineering / v.25, no.12, 2013 , pp. 668-673 More about this Journal
Abstract
In this study, specimens with nano-sized porous thin films were manufactured by injecting fluorescence solution into the pores. We intended to find out the difference of the fluorescence intensity in each region of the specimen through an experimental apparatus that makes a temperature field. Before conducting experiments, the optimized manufacturing conditions were determined by analysis of all parameters that influence the emission intensity, and the experiments were carried out with the specimens produced in the optimized conditions. Then, the calibration curves of the fluorescence intensity versus temperature were performed by taking the intensity distributions from the specimen in various temperature fields. The surfaces of specimens were coated with Rhodamine-B (Rh-B) fluorescent dye and measured based on the fluorescence intensity. Silica (SiO2) nanoporous structure with 1-um thickness was constructed on a cover glass, and fluorescence dye was absorbed into these porous thin films.
Keywords
Nanoporous; Thin film; Temperature sensor;
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