High open-circuit voltages on thin silicon solar cells

Stuart Bowden; Stanislau Herasimenka; William Dauksher; Clarence Tracy; Christiana Honsberg

doi:10.1109/PVSC.2014.6924986

High open-circuit voltages on thin silicon solar cells

Stuart Bowden, Stanislau Herasimenka, William Dauksher, Clarence Tracy, Christiana Honsberg

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Silicon heterostructures solar cells have very low surface recombination and the resulting cells can achieve high open circuit voltages. We have demonstrated an open circuit voltage for a silicon solar cell at 753 mV. We show high lifetimes on textured substrates with an average of 3 ms using thin layers of doped and intrinsic amorphous silicon and that the lifetimes are consistent across batches. We show that for high measured lifetimes there is a close match between the Implied V_OC (measured from photoconductance) and the Actual V_OC (as measured on a final cell). Recent measurements with have produced Implied V_OC's of 761 mV on textured substrates.

Original language	English (US)
Title of host publication	2014 IEEE 40th Photovoltaic Specialist Conference, PVSC 2014
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	577-581
Number of pages	5
ISBN (Electronic)	9781479943982
DOIs	https://doi.org/10.1109/PVSC.2014.6924986
State	Published - Oct 15 2014
Event	40th IEEE Photovoltaic Specialist Conference, PVSC 2014 - Denver, United States Duration: Jun 8 2014 → Jun 13 2014

Publication series

Name	2014 IEEE 40th Photovoltaic Specialist Conference, PVSC 2014

Other

Other	40th IEEE Photovoltaic Specialist Conference, PVSC 2014
Country/Territory	United States
City	Denver
Period	6/8/14 → 6/13/14

ASJC Scopus subject areas

Electrical and Electronic Engineering
Electronic, Optical and Magnetic Materials

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10.1109/PVSC.2014.6924986

Cite this

Bowden, S., Herasimenka, S., Dauksher, W., Tracy, C., & Honsberg, C. (2014). High open-circuit voltages on thin silicon solar cells. In 2014 IEEE 40th Photovoltaic Specialist Conference, PVSC 2014 (pp. 577-581). Article 6924986 (2014 IEEE 40th Photovoltaic Specialist Conference, PVSC 2014). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/PVSC.2014.6924986

High open-circuit voltages on thin silicon solar cells. / Bowden, Stuart; Herasimenka, Stanislau; Dauksher, William et al.
2014 IEEE 40th Photovoltaic Specialist Conference, PVSC 2014. Institute of Electrical and Electronics Engineers Inc., 2014. p. 577-581 6924986 (2014 IEEE 40th Photovoltaic Specialist Conference, PVSC 2014).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Bowden, S, Herasimenka, S, Dauksher, W, Tracy, C & Honsberg, C 2014, High open-circuit voltages on thin silicon solar cells. in 2014 IEEE 40th Photovoltaic Specialist Conference, PVSC 2014., 6924986, 2014 IEEE 40th Photovoltaic Specialist Conference, PVSC 2014, Institute of Electrical and Electronics Engineers Inc., pp. 577-581, 40th IEEE Photovoltaic Specialist Conference, PVSC 2014, Denver, United States, 6/8/14. https://doi.org/10.1109/PVSC.2014.6924986

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AB - Silicon heterostructures solar cells have very low surface recombination and the resulting cells can achieve high open circuit voltages. We have demonstrated an open circuit voltage for a silicon solar cell at 753 mV. We show high lifetimes on textured substrates with an average of 3 ms using thin layers of doped and intrinsic amorphous silicon and that the lifetimes are consistent across batches. We show that for high measured lifetimes there is a close match between the Implied VOC (measured from photoconductance) and the Actual VOC (as measured on a final cell). Recent measurements with have produced Implied VOC's of 761 mV on textured substrates.

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High open-circuit voltages on thin silicon solar cells

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