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We combine a new synthesis with transient optical hole burning to observe and assign the size evolution (19 to 115 diameter, 5%) of a series of excited states in CdSe quantum dots. We observe an avoided crossing around the spin orbit energy in the hole spectra for 65 dots, indicating the importance of valence band complexities in the description of the excited states. Comparsion with dc Stark data shows that bleach spectra are consistent with localized carrier induced electric fields.
Norris et al. (Mon,) studied this question.