Method of junction formation for CIGS photovoltaic devices

Delahoy, Alan E

Method of junction formation for CIGS photovoltaic devices

Patent · Tue Jan 26 04:00:00 EST 2010

OSTI ID:1014055

Delahoy, Alan E ^[1]

Rocky Hill, NJ

Sulfur is used to improve the performance of CIGS devices prepared by the evaporation of a single source ZIS type compound to form a buffer layer on the CIGS. The sulfur may be evaporated, or contained in the ZIS type material, or both. Vacuum evaporation apparatus of many types useful in the practice of the invention are known in the art. Other methods of delivery, such as sputtering, or application of a thiourea solution, may be substituted for evaporation.

Research Organization:: Energy Photovoltaics (Robbinsville, NJ)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC36-99GO10337

Assignee:: Energy Photovoltaics (Robbinsville, NJ)

Patent Number(s):: 7,652,209

Application Number:: US Patent Application 11/361,776

OSTI ID:: 1014055

Country of Publication:: United States

Language:: English

References (4)

Development of Cu(InGa)Se ₂ Thin Film Solar Cells with Cd-Free Buffer Layers Konagai, M.; Ohtake, Y.; Okamoto, T. MRS Proceedings, Vol. 426 https://doi.org/10.1557/PROC-426-153	journal	January 1996
Progress toward 20% efficiency in Cu(In,Ga)Se₂ polycrystalline thin-film solar cells Contreras, Miguel A.; Egaas, Brian; Ramanathan, K. Progress in Photovoltaics: Research and Applications, Vol. 7, Issue 4, p. 311-316 https://doi.org/10.1002/(SICI)1099-159X(199907/08)7:4<311::AID-PIP274>3.0.CO;2-G	journal	July 1999
The role of Cu(InGa)(SeS)/sub 2/ surface layer on a graded band-gap Cu(InGa)Se/sub 2/ thin-film solar cell prepared by two-stage method Kushiya, K.; Kuriyagawa, S.; Kase, T. Conference Record of the Twenty Fifth IEEE Photovoltaic Specialists Conference - 1996 https://doi.org/10.1109/PVSC.1996.564296	conference	January 1996
Advances in large area CIGS technology Delahoy, A.; Bruns, J.; Chen, Liangfan Conference Record of the Twenty-Eighth IEEE Photovoltaic Specialists Conference - 2000 (Cat. No.00CH37036) https://doi.org/10.1109/PVSC.2000.916163	conference	September 2000

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