期刊
SOLAR ENERGY MATERIALS AND SOLAR CELLS
卷 65, 期 1-4, 页码 55-62出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0927-0248(00)00077-5
关键词
shunts; characterization; thermography; silicon solar cells; laser cutting
Using a 217 Hz focal plane array (FFA) thermocamera attached to two parallel-running DSP frame grabber boards in a PC, a highly sensitive lock-in thermography system has been built, enabling the detection of periodic surface temperature oscillations below 10 muK (r.m.s). This system has been used to investigate edge leakage currents in silicon solar cells after laser scribing and cleavage. (C) 2001 Elsevier Science B.V. All rights reserved.
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