Why are QDs superior to traditional organic dyes?

Why are QDs superior to traditional organic dyes? Correct Answer High photostability

Organic dyes have been used in bioimaging for several years now. However, there are certain issues of low quantum yield and low photostability with these organic dyes. This made research necessary into QDs which have come out as superior to traditional organic dyes in many respects. One of the most obvious reasons for the same is brightness, which is almost 20 times than that of traditional dyes. They also have greater stability allowing lesser photobleaching.
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