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Proceedings Article

The fabrication of glucose sensor by nanoporous silicon film and its switching characteristics on visible color light response

[+] Author Affiliations
Jia-Chuan Lin, Meng-Kai Hsu

St. John's Univ. (Taiwan)

Hsi-Ting Hou

Tamkang Univ. (Taiwan)

Jhe-Yuan Wu

Chinese Culture Univ. (Taiwan)

Proc. SPIE 7980, Nanosensors, Biosensors, and Info-Tech Sensors and Systems 2011, 798018 (April 15, 2011); doi:10.1117/12.881845
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From Conference Volume 7980

  • Nanosensors, Biosensors, and Info-Tech Sensors and Systems 2011
  • Vijay K. Varadan
  • San Diego, California, USA | March 06, 2011

abstract

An investigation of the visible light glucose sensor by utilized nanoporous (NPS) silicon material as a sensitive layer was proposed. In the experiments, all studied NPS films are prepared by electrochemical anodization technique and the obtained depth are about 3.3 μm. The peak of PL-intensity curve is 610 nm under normal air condition. Based on its high surface to volume ratio (SVR) and unique light emission properties, the studied NPS glucose sensor has a high sensitivity and stability. The visible light response on the film surface switches obviously between distinct colors with/without glucose treatment. As compared with conventional electronic glucose sensor, the highly sensitive and obvious light switching characteristics would be important to related detection. It has a potential application on small-size, low-cost, portable and electric-free sensor systems. After the immersion treatment of 1M glucose solution on the studied NPS samples, an obvious blue-shift behavior of PL-feature (from 610 to 560 nm) is observed at room temperature. The color switching can be read by a naked-eye easily.

© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Jia-Chuan Lin ; Meng-Kai Hsu ; Hsi-Ting Hou and Jhe-Yuan Wu
"The fabrication of glucose sensor by nanoporous silicon film and its switching characteristics on visible color light response", Proc. SPIE 7980, Nanosensors, Biosensors, and Info-Tech Sensors and Systems 2011, 798018 (April 15, 2011); doi:10.1117/12.881845; http://dx.doi.org/10.1117/12.881845


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