NDLI: Studies on the influence of effective carrier lifetime in the performance of industrial silicon solar cells

Content Provider	IEEE Xplore Digital Library
Author	Saravanan, S. Murty, D.S. Prasad, A.G. Kumar, D. Suratkar, P.
Copyright Year	2011
Description	Author affiliation: Cell Technology and Process Engineering, TATA BP Solar, Bangalore - 560100, India (Saravanan, S.; Murty, D.S.; Prasad, A.G.; Kumar, D.; Suratkar, P.)
Abstract	Minority carrier lifetime plays a significant role in the performance of silicon (Si) solar cells, due to its importance in qualifying the bare silicon wafers. In order to fabricate the high efficiency industrial Si solar cells, high life time based silicon wafers are a prerequisite which strongly depends on the defects and trap concentrations of the wafer. In the present work, a systematic study of the variation in the minority effective carrier lifetime on Si solar cells has been studied. The solar grade mono silicon wafers used for this study had bulk carrier life time < 10 μ secs with bulk resistivity of 0.5–3 ω cm. The silicon solar cells were fabricated in the production line by employing the conventional silicon solar cell process. As expected it has been observed that a change of effective life time in bare wafers improved the cell performance. This paper narrates the electrical performance of the mono crystalline silicon solar cells with respect to the different effective carrier life time of the bare wafers. The results are compared and correlated with the passivation process and have been explained with respect to the different effective carrier life time.
Starting Page	002940
Ending Page	002942
File Size	106418
Page Count	3
File Format	PDF
ISBN	9781424499663
ISSN	01608371
e-ISBN	9781424499656
DOI	10.1109/PVSC.2011.6186562
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-19
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Silicon Photovoltaic cells Charge carrier lifetime Time measurement Short circuit currents MONOS devices Minority carrier life time Mono crystalline silicon solar cells
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering

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