Manufacture of thin solar cells based on ink printing...

Details Manufacture of thin solar cells based on ink printing... Manufacture of thin solar cells based on ink printing...

2009-09-15

2011-12-06

Lindsay, Jr., Walter L (Department: 2812)

Batteries: thermoelectric and photoelectric

Photoelectric

Cells

Reexamination Certificate

active

08071875

ABSTRACT:
Semiconductor ink is disclosed for use in printing thin film solar cell absorber layer. The semiconductor ink is particularly useful in fabricating multi junction tandem solar cell wherein a high bandgap absorber layer as the top cell and a lower band gap absorber layer as the bottom cell. The ink contains ingredients of IB-IIIA-VIA compound with micron-sized semiconductor as the main building “bricks” and nano-sized semiconductor as the binder to fulfill the formation of smooth semiconductive film with micron-sized crystal grain size. Thus formed ink can be used in direct printing for the fabrication of low cost high performance solar cells.

REFERENCES:
patent: 7160949 (2007-01-01), Ota et al.
patent: 7663057 (2010-02-01), Yu et al.
patent: 7700464 (2010-04-01), Robinson et al.
patent: 2010/0160503 (2010-06-01), Nakagawa et al.

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