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셀 면적 및 흡착시간에 따른 염료감응형 태양전지 특성에 관한 연구
이돈규(Don-Kyu Lee),손영주(Young-Joo Song) 대한전기학회 2012 전기학회논문지 Vol.61 No.4
In this paper, it is investigated the characteristics of DSSC(Dye Sensitized Solar Cell) with cell area(0.25, 1, 2.25 cm2) and dye absorption time(12, 24, 36 h). Thus, we obtain the following results by using the EIS, UV-VIS, I-V measurement. When the cell area increases, the efficiency decreases to 21∼32 percent because of the increase about 40∼60 Ω of internal impedance regardless of dye absorption time. When the absorption time increases up to 24 hours, the efficiency increases to over 40 percent cause of the reduction of internal impedance regardless of cell area. When the dye absorption time becomes 36 hours, the internal impedance increases and at the same time, in the range of 600∼700 nm, as the optical absorption reduces. Therefore, the efficiency decreases to 19∼31 percent. When it is absorbed the dye for 24 hours in the smallest cell area which is 0.25 cm<sub>2</sub>, the DSSC has the best efficiency (7.11 %).
유일(Il You),손영주(Young-Joo Song),이영민(Young-Min Lee),옥정우(Jung-Woo Ok),남춘우(Choon-Woo Nahm),이돈규(Don-Kyu Lee) 대한전기학회 2012 전기학회논문지 Vol.61 No.11
AC-PDPs have recently achieved good performance and their image quality can sufficiently compete with the LCD TV. However, it is necessary more effort to improve the luminance and luminous efficacy in the PDP technology. The gas mixture ratio plays a very important role in discharge characteristics, but the mechanism of gas discharge is complex and complicated. In this paper, we investigate the mechanism of gas discharge with Ne+Xe miture ratio through zero and two dimensional fluid simulation.