Observation of the quantum confined ground state in InP quantum dots at 300 K

H. Giessen, B. Fluegel, G. Mohs, N. Peyghambarian, J. R. Sprague, O. I. Micic, A. J. Nozik

Research output: Contribution to journalArticlepeer-review

29 Scopus citations

Abstract

Colloidal suspensions of InP quantum dots (diameters 25 and 35 Å) show steplike absorption spectra which are blue-shifted by about 1 eV with respect to bulk material. Time resolved femtosecond spectroscopy at room temperature identifies the first quantum confined state. The nonlinear bleaching signal rises within 300 fs and persists longer than 200 ps.

Original languageEnglish (US)
Pages (from-to)304
Number of pages1
JournalApplied Physics Letters
DOIs
StatePublished - 1994

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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