...算发现,对于以氮化钾(GaN)为主的发光二极管(LED),俄歇复合(Auger recombination)是其效率下降(LED droop)与绿色缺口(green gap)的主要原因,可惜并未同时提出有效的解决方法。 LED droop是指在较高电流操作下,发光二极管的外部量子效率会下降。
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That is the idea behind the Evergreen Co-operative Initiative, an effort aimed at closing this wealth gap by creating 10 green, for-profit businesses that local residents will own and operate.
这就是常青合作行动——旨在通过建立10家当地居民所有并运营的环保盈利企业来消除贫富差距。
In the stone and the stone inside the gap, but also long green moss.
而在石与石的缝隙里,也长了绿色的苔鲜。
The green emitting GaP has quantum efficiencies as high as 0.6% recorded for laboratory. Present marketed units, however, have much greater than an order of magnitude less efficiency.
按实验记录,发绿光的磷化镓的量子效率高达0.6%,但目前请市售产品效率则低一个数量级还多。
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