单词 | quantum dot |
释义 | quantum dot n. 1. A semiconductor nanostructure in which the excitons are constrained in all three spatial dimensions. 2. Any of various semiconductor nanocrystals that absorb white light and then reemit it a couple of nanoseconds later in a specific color, used as probes for tracking antibodies, viruses, proteins, or DNA in cells and organisms. |
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