led and nano could boost compound photovoltaics论文.pdf

INDUSTRY FOCUS Photovoltaics
One of the most intriguing aspects to the EU By contrast, for III-V materials (Table 2)
R&D Roadmap for Photovoltaics, which new structures η>40% are the first priority,
Gail Purvis emerged in 2003, was while there were short estimated as achievable by 2020. Rather
to medium research priorities for silicon, no nearer is the priority of a low cost substrate,
long term priorities were identified (Table 1). anticipated by 2010.
LED and nano could boost
compound photovoltaics
In the Photovoltaic R&D Roadmap find-
Table 1 Research priorities for crystalline/multicrystalline silicon.
ings, compiler and author,Arnulf Jäger-
Waldau notes the fact that the price of Issue Ready Priority
PVs has to be reduced by at least a factor
High-throughput sheets 2006 1
of two and up to a factor of four or five.
yield, rear passivation BSR
For wafer sil