Laser fired ohmic contacts in silicon using pulse modulated CW laser

Laser fired ohmic contacts in silicon using pulse modulated CW laser

This paper discusses a detailed approach to the optimization of laser-fired contacts for the rear surface-passivated p-type crystalline silicon solar cell. To obtain a proper ohmic contact, there are various parameters which should be taken into account while making LFCs, such as pitch, pulse length...

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Bibliographic Details
Published in:2014 IEEE 2nd International Conference on Emerging Electronics (ICEE) pp. 1 - 4
Main Authors: Kumar, Akash, Mondal, Som, Soman, Anishkumar, Antony, Aldrin
Format: Conference Proceeding
Language:English
Published: IEEE 01-12-2014
Subjects:
crystalline silicon
Electrical resistance measurement
Laser beams
laser fired contact
passivation
Photovoltaic cells
Resistance
Silicon
Surface emitting lasers
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Summary:This paper discusses a detailed approach to the optimization of laser-fired contacts for the rear surface-passivated p-type crystalline silicon solar cell. To obtain a proper ohmic contact, there are various parameters which should be taken into account while making LFCs, such as pitch, pulse length (or duty cycle ratio), laser output power and number of pulses. Optimization methodology for forming an ohmic laser-fired contact and the respective parametric values for the pulse modulated CW laser are reported.
ISBN:9781467365277
1467365270
DOI:10.1109/ICEmElec.2014.7151214