Abstract

InGaN/GaN multi-quantum well solar cells with highly-doped GaN p-n homo tunnel junction contacts are grown with a hybrid method where the active regions were grown with metal organic chemical vapor deposition and the TJ contacts were grown by plasma-assisted molecular beam epitaxy. Different solar cells with different TJ contacts were demonstrated by this method. The best solar cell featuring TJ exhibits a low leakage current density of 7.5×10-9 mA/cm2, an open-circuit voltage (VOC) of ∼2.2 V, and short circuit-current density (JSC) of ∼0.9 mA/cm2. Correlations are made between different characterization methods to draw conclusions about the behavior of the devices.

Original languageEnglish (US)
Title of host publication2018 IEEE 7th World Conference on Photovoltaic Energy Conversion, WCPEC 2018 - A Joint Conference of 45th IEEE PVSC, 28th PVSEC and 34th EU PVSEC
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages965-968
Number of pages4
ISBN (Electronic)9781538685297
DOIs
StatePublished - Nov 26 2018
Event7th IEEE World Conference on Photovoltaic Energy Conversion, WCPEC 2018 - Waikoloa Village, United States
Duration: Jun 10 2018Jun 15 2018

Other

Other7th IEEE World Conference on Photovoltaic Energy Conversion, WCPEC 2018
CountryUnited States
CityWaikoloa Village
Period6/10/186/15/18

Fingerprint

Tunnel junctions
Solar cells
Current density
Organic Chemicals
Organic chemicals
Open circuit voltage
Volatile organic compounds
Molecular beam epitaxy
Leakage currents
Short circuit currents
Semiconductor quantum wells
Chemical vapor deposition
Metals
Plasmas

Keywords

  • Epitaxial layers
  • high hole concentration
  • indium gallium nitride
  • single-junction solar cell
  • tunnel junction

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Renewable Energy, Sustainability and the Environment
  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials

Cite this

Vadiee, E., Clinton, E. A., McFavilen, H., Engel, Z., Matthews, C., Arena, C., ... Doolittle, W. A. (2018). InGaN based solar cells with GaN tunnel junction contacts. In 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion, WCPEC 2018 - A Joint Conference of 45th IEEE PVSC, 28th PVSEC and 34th EU PVSEC (pp. 965-968). [8547327] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/PVSC.2018.8547327

InGaN based solar cells with GaN tunnel junction contacts. / Vadiee, Ehsan; Clinton, Evan A.; McFavilen, Heather; Engel, Zachary; Matthews, Christopher; Arena, Chantal; Honsberg, Christiana; Goodnick, Stephen; Doolittle, William A.

2018 IEEE 7th World Conference on Photovoltaic Energy Conversion, WCPEC 2018 - A Joint Conference of 45th IEEE PVSC, 28th PVSEC and 34th EU PVSEC. Institute of Electrical and Electronics Engineers Inc., 2018. p. 965-968 8547327.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Vadiee, E, Clinton, EA, McFavilen, H, Engel, Z, Matthews, C, Arena, C, Honsberg, C, Goodnick, S & Doolittle, WA 2018, InGaN based solar cells with GaN tunnel junction contacts. in 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion, WCPEC 2018 - A Joint Conference of 45th IEEE PVSC, 28th PVSEC and 34th EU PVSEC., 8547327, Institute of Electrical and Electronics Engineers Inc., pp. 965-968, 7th IEEE World Conference on Photovoltaic Energy Conversion, WCPEC 2018, Waikoloa Village, United States, 6/10/18. https://doi.org/10.1109/PVSC.2018.8547327
Vadiee E, Clinton EA, McFavilen H, Engel Z, Matthews C, Arena C et al. InGaN based solar cells with GaN tunnel junction contacts. In 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion, WCPEC 2018 - A Joint Conference of 45th IEEE PVSC, 28th PVSEC and 34th EU PVSEC. Institute of Electrical and Electronics Engineers Inc. 2018. p. 965-968. 8547327 https://doi.org/10.1109/PVSC.2018.8547327
Vadiee, Ehsan ; Clinton, Evan A. ; McFavilen, Heather ; Engel, Zachary ; Matthews, Christopher ; Arena, Chantal ; Honsberg, Christiana ; Goodnick, Stephen ; Doolittle, William A. / InGaN based solar cells with GaN tunnel junction contacts. 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion, WCPEC 2018 - A Joint Conference of 45th IEEE PVSC, 28th PVSEC and 34th EU PVSEC. Institute of Electrical and Electronics Engineers Inc., 2018. pp. 965-968
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