Electroluminescence from surface oxidized silicon nanoparticles dispersed within a polymer matrix

Rebekah K. Ligman; Lorenzo Mangolini; Uwe R. Kortshagen; Stephen A. Campbell

doi:10.1063/1.2471662

Electroluminescence from surface oxidized silicon nanoparticles dispersed within a polymer matrix

Rebekah K. Ligman, Lorenzo Mangolini, Uwe R. Kortshagen, Stephen A. Campbell

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Abstract

In this work electrically induced light emission from crystalline silicon nanoparticles randomly dispersed within a polymer matrix was obtained. The observed polymer/silicon nanoparticle device electroluminescence (EL) was composed of simultaneous emission from the polymer and the silicon nanoparticles. The device emission was nonscalar and shifted from a polymer to a silicon nanoparticle dominant emission with increased current density. The device JV characteristics were bulk dominated independent of the nanoparticle loading. The nonscalar field dependence and bulk dominated carrier transport properties strongly suggest that the observed silicon nanoparticle emission was produced by an EL energy transfer process.

Original language	English (US)
Article number	061116
Journal	Applied Physics Letters
Volume	90
Issue number	6
DOIs	https://doi.org/10.1063/1.2471662
State	Published - 2007

Bibliographical note

Funding Information:
This work was supported in parts by NSF under MRSEC Grant No. DMR-0212302 and CMMI-0556163. Partial support was also provided by SPAWAR. This work was performed at the Minnesota NanoFabrication Center and which receives support from the NSF through NNIN.

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title = "Electroluminescence from surface oxidized silicon nanoparticles dispersed within a polymer matrix",

abstract = "In this work electrically induced light emission from crystalline silicon nanoparticles randomly dispersed within a polymer matrix was obtained. The observed polymer/silicon nanoparticle device electroluminescence (EL) was composed of simultaneous emission from the polymer and the silicon nanoparticles. The device emission was nonscalar and shifted from a polymer to a silicon nanoparticle dominant emission with increased current density. The device JV characteristics were bulk dominated independent of the nanoparticle loading. The nonscalar field dependence and bulk dominated carrier transport properties strongly suggest that the observed silicon nanoparticle emission was produced by an EL energy transfer process.",

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doi = "10.1063/1.2471662",

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AU - Ligman, Rebekah K.

AU - Mangolini, Lorenzo

AU - Kortshagen, Uwe R.

AU - Campbell, Stephen A.

N1 - Funding Information: This work was supported in parts by NSF under MRSEC Grant No. DMR-0212302 and CMMI-0556163. Partial support was also provided by SPAWAR. This work was performed at the Minnesota NanoFabrication Center and which receives support from the NSF through NNIN.

PY - 2007

Y1 - 2007

N2 - In this work electrically induced light emission from crystalline silicon nanoparticles randomly dispersed within a polymer matrix was obtained. The observed polymer/silicon nanoparticle device electroluminescence (EL) was composed of simultaneous emission from the polymer and the silicon nanoparticles. The device emission was nonscalar and shifted from a polymer to a silicon nanoparticle dominant emission with increased current density. The device JV characteristics were bulk dominated independent of the nanoparticle loading. The nonscalar field dependence and bulk dominated carrier transport properties strongly suggest that the observed silicon nanoparticle emission was produced by an EL energy transfer process.

AB - In this work electrically induced light emission from crystalline silicon nanoparticles randomly dispersed within a polymer matrix was obtained. The observed polymer/silicon nanoparticle device electroluminescence (EL) was composed of simultaneous emission from the polymer and the silicon nanoparticles. The device emission was nonscalar and shifted from a polymer to a silicon nanoparticle dominant emission with increased current density. The device JV characteristics were bulk dominated independent of the nanoparticle loading. The nonscalar field dependence and bulk dominated carrier transport properties strongly suggest that the observed silicon nanoparticle emission was produced by an EL energy transfer process.

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Electroluminescence from surface oxidized silicon nanoparticles dispersed within a polymer matrix

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