Your printer (TGW) - Konarka Technologies has successfully conducted the first ever demonstration of manufacturing solar cells by highly efficient inkjet printing.
This method of printing solar cells is extremely cheap because it relies on existing inkjet printer technology.
The substrate which is printed on is simply a lightweight, cheap, flexible plastic, in a process similar to newspaper printing.
Also, Konarka solar cells can utilize a wider range of the light spectrum the conventional solar cells.
Via :: Press Release