Making Quantum Dots Gets Easier

A new method for producing tetrapodic cadmium selenide quantum dots may lead to more economical solar cells, say Rice University researchers. Conventional synthesis methods yield only 70% usable tetrapodal quantum dots. Using cetyltrimethylammonium bromide instead of the standard alkylphosphonic acid compounds for the synthesis, the Rice group produces 90% tetrapods, and more cheaply.

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