Size-Dependent Spectroscopy of InP Quantum Dots

The spectroscopic behavior of colloidal InP quantum dots has been investigated as a function of the mean QD diameter

O. I. Mićić; H. M. Cheong; H. Fu; A. Zunger; J. R. Sprague; A. Mascarenhas; A. J. Nozik

2002

Key concepts

Scholarcy highlights

  • The spectroscopic behavior of colloidal InP quantum dots has been investigated as a function of the mean QD diameter
  • The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online
  • The emission and absorption features shift to higher energy with decreasing QD size
  • The resonant red shifts for QDs of a single size were extracted from PL data that reflect the emission from an ensemble of QD diameters
  • An analysis of the single-dot resonant red shift as a function of the single QD diameter indicate that the results are consistent with a model in which the emission occurs from an intrinsic, spin-forbidden state, split from its singlet counterpart, due to screened electron-hole exchange
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