Reducing open-circuit voltage loss in organic solar cells

Researchers at Institute for Molecular Science in Japan report that organic solar cells (OSCs) with high mobility and highly crystalline donor (D) and acceptor (A) materials were able to reduce an open-circuit voltage (VOC) ...

South Koreans start using mobiles at 10: survey

More than 90 percent of schoolchildren in South Korea own a mobile phone and they start using them at an average age of 10 years and fours months, according to a survey published Friday.

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