Quantum Dots Extinction
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Left: Size-dependent band gaps (transmission and absorption colors)
Right: Size-dependent extinction coefficient (A=εbc where c is mol nanoparticles/L)
Experimental Determination of the Extinction Coefficient of CdTe, CdSe, and CdS Nanocrystals
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Chem. Mater.
, 2003, 15 (14), pp 2854-2860.