Characterizing quantum-dot blinking using noise power spectra
Characterizing quantum-dot blinking using noise power spectra
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DOI:
10.1063/1.1779356
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发表时间:
2004-08-02
影响因子:
4
通讯作者:
Guyot-Sionnest, P
中科院分区:
文献类型:
--
作者:
Pelton, M;Grier, DG;Guyot-Sionnest, P
Fluctuations in the fluorescence from macroscopic ensembles of colloidal semiconductor quantum dots have the spectral form of 1/f noise. The measured power spectral density reflects the fluorescence intermittency of individual dots with power-law distributions of "on" and "off" times, and can thus serve as a simple method for characterizing such blinking behavior. (C) 2004 American Institute of Physics.