Homogeneous 에미터와 Selective 에미터 결정질 실리콘 태양전지의 온도에 따른 전류-전압 특성 변화 측정 및 분석

남윤정; 박효민; 이지은; 김수민; 김영도; 박성은; 강윤묵; 이해석; 김동환; Yoon Chung Nam; Hyomin Park; Ji Eun Lee; Soo Min Kim; Young Do Kim; Sungeun Park; Yoonmook Kang; Hae-seok Lee; Donghwan Kim

Korean Journal of Materials Research, Vol.24, No.7, 375-380, July, 2014

DOI10.3740/MRSK.2014.24.7.375 Export Citation

Homogeneous 에미터와 Selective 에미터 결정질 실리콘 태양전지의 온도에 따른 전류-전압 특성 변화 측정 및 분석

Measurement and Analysis of Temperature Dependence for Current-Voltage Characteristics of Homogeneous Emitter and Selective Emitter Crystalline Silicon Solar Cells

남윤정, 박효민, 이지은, 김수민, 김영도 , 박성은, 강윤묵¹, 이해석^†, 김동환 ^†

고려대학교 신소재공학과
¹고려대학교 그린스쿨대학원 에너지환경정책기술학과

Yoon Chung Nam, Hyomin Park, Ji Eun Lee, Soo Min Kim, Young Do Kim , Sungeun Park, Yoonmook Kang¹, Hae-seok Lee^†, and Donghwan Kim^†

Department of Materials Science and Engineering, Korea University, Anam-dong, Seongbuk-gu, Seoul 136-713, Korea
¹KU · KIST Green School, Graduated school of Energy and Environment, Korea University, Korea University, Seongbuk-gu, Seoul 136-713, Korea

E-mail:,

Solar cells exhibit different power outputs in different climates. In this study, the temperature dependence of opencircuit voltage(V-oc), short-circuit current(I-sc), fill factor(FF) and the efficiency of screen-printed single-crystal silicon solar cells were studied. One group was fabricated with homogeneously-doped emitters and another group was fabricated with selectively-doped emitters. While varying the temperature (25, 40, 60 and 80 oC), the current-voltage characteristics of the cells were measured and the leakage currents extracted from the current-voltage curve. As the temperature increased, both the homogeneously-doped and selectively-doped emitters showed a slight increase in I-sc and a rapid degradation of V-oc. The FF and efficiency also decreased as temperature increased in both groups. The temperature coefficient for each factor was calculated. From the current-voltage curve, we found that the main cause of V-oc degradation was an increase in the intrinsic carrier concentration. The temperature coefficients of the two groups were compared, leading to the idea that structural effects could also affect the temperature dependence of current-voltage characteristics.

Keywords:temperature dependence;homogeneous emitter;selective emitter;crystalline silicon solar cells;current-voltage characteristics

[References]

M. I. Jeong V. Janardhanam, K. W. Moon, J. S. Kim, K. S. Shin and C. J. Choi, Photovoltaic Specialists Conference (PVSC), 37th IEEE, 002881-002884 (2011).
Feteha MY, Eldallal GM, Soliman MM, Renewable Energy, 22, 269 (2001)
Fan JCC, Solar Cells, 17, 309 (1986)
Green MA, Progress in Photovoltaics, 11, 333 (2003)
Singh P, Ravindra NM, Sol. Energy Mater. Sol. Cells, 101, 36 (2012)
K. S. Shin, J. S. Kim, J. Moon, V. Janardhanam, M. I. Jeong, H K. Lee and C. J. Choi, Meeting Abstracts, 25, 1653-1653, 28th Electrochem. Soc. (ECS) (2010).
Misiakos K, Tsamakis D, J. Appl. Phys., 75, 3293 (1993)
D. K. Schroder, Semiconductor Material and Device Characterization, 3rd ed., p.186, A John Wiley & Sons, Inc., USA (2006).
M. A. Green, Solar Cells Operating Principles, Technology, and System Applications, p.97, Prentice-Hall, USA (1982).

[Related Articles]

[1] M. I. Jeong V. Janardhanam, K. W. Moon, J. S. Kim, K. S. Shin and C. J. Choi, Photovoltaic Specialists Conference (PVSC), 37th IEEE, 002881-002884 (2011).

[2] Feteha MY, Eldallal GM, Soliman MM, Renewable Energy, 22, 269 (2001)

[3] Fan JCC, Solar Cells, 17, 309 (1986)

[4] Green MA, Progress in Photovoltaics, 11, 333 (2003)

[5] Singh P, Ravindra NM, Sol. Energy Mater. Sol. Cells, 101, 36 (2012)

[6] K. S. Shin, J. S. Kim, J. Moon, V. Janardhanam, M. I. Jeong, H K. Lee and C. J. Choi, Meeting Abstracts, 25, 1653-1653, 28th Electrochem. Soc. (ECS) (2010).

[7] Misiakos K, Tsamakis D, J. Appl. Phys., 75, 3293 (1993)

[8] D. K. Schroder, Semiconductor Material and Device Characterization, 3rd ed., p.186, A John Wiley & Sons, Inc., USA (2006).

[9] M. A. Green, Solar Cells Operating Principles, Technology, and System Applications, p.97, Prentice-Hall, USA (1982).