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Low-work-function active metals are commonly used as cathode in polymer solar cells (PSCs), but sensitivity of the active metals towards moisture and oxygen results in poor stability of the devices. Therefore, solution-proceessable and stable cathode buffer layer is of great importance for the application of PSCs. Here we demonstrate high performance PSCs(More)
In recent 20 years, the city of Wuhan has built a big high-tech industry cluster which is named Optics Valley of China. The Optics Valley of China is developing quickly, but scarcity of talent has become the bottleneck for its development. Recruiting talented worker is significant concern and the influence factors of talent flow have been explored. The(More)
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