Scientists have engineered semiconducting nanocrystals called quantum dots that lack toxic heavy metals and are highly efficient light emitters. These nanostructures might be used in displays, solar cells and light-emitting diodes. Nanostructures that could have many optoelectronic applications.

中文翻译：

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量子点发挥其潜力

科学家们设计了一种称为量子点的半导体纳米晶体，它不含有毒重金属并且是高效的光发射器。这些纳米结构可用于显示器、太阳能电池和发光二极管。具有许多光电应用的纳米结构。