CPC C09K 11/881 (2013.01) [B82Y 20/00 (2013.01); C09K 11/02 (2013.01); C09K 11/88 (2013.01); C09K 11/883 (2013.01)] | 13 Claims |
1. A quantum dot, comprising a core; inter shells surrounding the core; and an outer shell surrounding the inter shells,
wherein concentrations of compounds composing the inter shells are changed stepwise from the core to the outer shell,
wherein the inter shells comprise a first inter shell having a multilayer structure and a second inter shell having a multilayer structure.
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