Electrostatic Mechanism of Emission Enhancement in Hybrid Metal-semiconductor Light-emitting Heterostructures Page: 81
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something which has only been considered for plasmonic devices to date [68, 69].
Secondly, the changes in the electron-phonon coupling strength hint at the possibility of
tailoring electron-phonon interactions in the vicinity of metallic NPs using the image
Furthermore, while both plasmonics and the image charge effect have a similar
end result -- enhancement -- they have different physical origins. Since the two
mechanisms arise in similar situations, it is important to make the following points: First,
it is likely possible to tailor systems in which both plasmonics and the image charge
effect simultaneously manifest. In these situations both constructive and destructive
interactions between the two may arise. Our own Ag system provides evidence of the
possibility of destructive competition between the two. Recently, anomalously large
enhancements have been reported in In/InN  and Ag/ZnO systems . Since the
system used is favorable for strong image charge interaction, I hypothesize that this
system provides evidence of constructive interaction between plasmonics and the
image charge effect. Any complete understanding these systems must consider the
possibility of these interactions. Second, care should be taken separate out the effects
of each mechanism in experiments or devices designed to make use of either, i.e. some
effects, including emission enhancement, which are currently attributed to plasmonics
could instead arise due to the image charge effect. An example of this would be the
attribution to plasmonics of enhancement in systems which should be non-resonant. For
example, the plasmonic mechanism has been invoked to explain enhancement of UV
emission in a Au/ZnO system  as well as nano-patterned Pt thin films . Since the
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Llopis, Antonio. Electrostatic Mechanism of Emission Enhancement in Hybrid Metal-semiconductor Light-emitting Heterostructures, dissertation, May 2012; Denton, Texas. (digital.library.unt.edu/ark:/67531/metadc115113/m1/91/: accessed February 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .