Ten-fold improvement in the photoluminescence quantum efficiency of quantum-size-effect-tunable (1000-2000 nm) and solution-processed PbS nanocrystal films

PbS nanocrystals for infrared applications have previously shown to have very low photoluminescence quantum efficiency (/spl sim/ 1%) when solution-processed into the solid state. We show a ten-fold improvement through the use of polymer-nanocrystal composites.

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Published in(CLEO). Conference on Lasers and Electro-Optics, 2005 Vol. 1; pp. 618 - 620 Vol. 1
Main Authors Chang, T.-W.F., Maria, A., Cyr, P.W., Sukhovatkin, V., Levina, L., Sargent, E.H.
Format Conference Proceeding
LanguageEnglish
Published IEEE 2005
Subjects
Atom optics
Atomic beams
Nanocrystals
Optical films
Optical polymers
Photoluminescence
Quantum computing
Semiconductivity
Semiconductor films
Semiconductor materials
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Abstract PbS nanocrystals for infrared applications have previously shown to have very low photoluminescence quantum efficiency (/spl sim/ 1%) when solution-processed into the solid state. We show a ten-fold improvement through the use of polymer-nanocrystal composites.
AbstractList PbS nanocrystals for infrared applications have previously shown to have very low photoluminescence quantum efficiency (/spl sim/ 1%) when solution-processed into the solid state. We show a ten-fold improvement through the use of polymer-nanocrystal composites.
Author Sukhovatkin, V.
Sargent, E.H.
Maria, A.
Levina, L.
Chang, T.-W.F.
Cyr, P.W.
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  surname: Sargent
  fullname: Sargent, E.H.
  organization: Dept. of Electr. & Comput. Eng., Toronto Univ., Ont., Canada
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Snippet PbS nanocrystals for infrared applications have previously shown to have very low photoluminescence quantum efficiency (/spl sim/ 1%) when solution-processed...
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SubjectTerms Atom optics
Atomic beams
Nanocrystals
Optical films
Optical polymers
Photoluminescence
Quantum computing
Semiconductivity
Semiconductor films
Semiconductor materials
Title Ten-fold improvement in the photoluminescence quantum efficiency of quantum-size-effect-tunable (1000-2000 nm) and solution-processed PbS nanocrystal films
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