publication . Book . Other literature type . Part of book or chapter of book . 2009

Photoluminescence: Science and applications

Jacques Lefebvre; Shigeo Maruyama; Paul Finnie;
Closed Access
  • Published: 17 Sep 2009
  • Country: Canada
Abstract
In the past five years photoluminescence (PL) of SWNTs has gone from discoveryto one of the most actively researched areas, with broad impact on the basic scienceof SWNTs, as well as the promise of applications. The simplest free-carrier models ofperfect semiconducting SWNTs in vacuum predict that they have direct bandgapsand therefore should be efficient light absorbers and emitters. Experimentally,isolating SWNTs from environmental interactions proves crucial to observing thisstrong PL. The Coulomb interaction enhanced by one-dimensional confinementrequires that excitonic models be invoked to understand PL features. Preparedproperly, SWNTs are strong PL emitte...
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Subjects
free text keywords: Characterization (materials science), Absorption spectroscopy, Coulomb, Photoluminescence, Photoluminescence excitation, Condensed matter physics, Materials science, Quantum yield, Phonon, Magnetic field
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Other literature type . 2009
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https://doi.org/10.1007/978-3-...
Part of book or chapter of book . 2007
Provider: Crossref
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