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Etching sapphire increases LED output through improvements in nitride film quality and light extraction. ...more
Reduced internal electric fields, rougher surfaces and the introduction of superlattices are helping to drive up the efficiencies of nitride solar cells COMPARED to lasers, transistors and LEDs, solar cells based on nitrides tend to deliver poor performances. But these materials can yield efficient photovoltaics, according to research by both a pair of Japanese Universities and by a team led by the University of California, Santa Barbara (UCSB). ...more
Right International provide headhunting and executive search services throughout the UK. ...more
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