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자료유형
학술저널
저자정보
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대한전자공학회 JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE Journal of Semiconductor Technology and Science Vol.7 No.3
발행연도
2007.9
수록면
161 - 165 (5page)

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In this paper, mesoporous Pt on micro pillars Pt electrode is newly designed, fabricated, and characterized on silicon substrate for non-enzymatic electrochemical sensor micro-chip integrated with CMOS readout circuitry. The fabricated micro/nano Pt electrode has cylindrical hexangular arrayed nano Pt pores with a diameter of 3.2 ㎚ which is formed on top of the micro pillars Pt electrode with approximately 6㎛ in diameter, 6㎛ in space, and 50 ㎛ in height. The measured current responses of the fabricated plane Pt, mesoporous Pt, and mesoporous Pt on the micro pillar Pt electrodes are approximately 9.9 ㎁/㎟, 6.72 ㎂/㎟, and 7.67 ㎂/㎟ in 10mM glucose solution with 0.1M phosphate buffered saline (PBS) solution, respectively. In addition, the measured current responses of the fabricated plane Pt, mesoporous Pt, and mesoporous Pt on the micro pillar Pt electrodes are approximately 0.15 ㎂/㎟, 0.56 ㎂/㎟, and 0.74 ㎂/㎟ in 0.1mM ascorbic acid (AA) solution with 0.1M phosphate buffered saline (PBS) solution, respectively. This experimental results show that the proposed micro/nano Pt electrode is highly sensitive and promising for CMOS integrated non-enzymatic electrochemical sensor applications. Since the micro-pillar Pt electrode can also be utilized with a micro-fluidic mixer in the sensor chip, the sensor chip can be much smaller, cheaper, and easier to be fabricated.

목차

Abstract
Ⅰ. INTRODUCTION
Ⅱ. FABRICATION
Ⅲ. EXPERIMENTAL RESULTS AND DISCUSSIONS
Ⅳ. CONCLUSIONS
ACKNOWLEDGMENTS
REFERENCES

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