Photoluminescence Enhancement of Adsorbed Species on Si Nanoparticles

We have fabricated Si nanoparticles from Si swarf using the beads milling method. The mode diameter of produced Si nanoparticles was between 4.8 and 5.2 nm. Si nanoparticles in hexane show photoluminescence (PL) spectra with peaks at 2.56, 2.73, 2.91, and 3.09 eV. The peaked PL spectra are attribute...

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Detalles Bibliográficos
Autores principales: Matsumoto, Taketoshi, Maeda, Masanori, Kobayashi, Hikaru
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Springer US 2016
Materias:
Nano Express
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4705079/
https://www.ncbi.nlm.nih.gov/pubmed/26744147
http://dx.doi.org/10.1186/s11671-015-1220-9
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author Matsumoto, Taketoshi
Maeda, Masanori
Kobayashi, Hikaru
author_facet Matsumoto, Taketoshi
Maeda, Masanori
Kobayashi, Hikaru
author_sort Matsumoto, Taketoshi
collection PubMed
description We have fabricated Si nanoparticles from Si swarf using the beads milling method. The mode diameter of produced Si nanoparticles was between 4.8 and 5.2 nm. Si nanoparticles in hexane show photoluminescence (PL) spectra with peaks at 2.56, 2.73, 2.91, and 3.09 eV. The peaked PL spectra are attributed to the vibronic structure of adsorbed dimethylanthracene (DMA) impurity in hexane. The PL intensity of hexane with DMA increases by ~3000 times by adsorption on Si nanoparticles. The PL enhancement results from an increase in absorption probability of incident light by DMA caused by adsorption on the surface of Si nanoparticles.
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spelling pubmed-47050792016-01-18 Photoluminescence Enhancement of Adsorbed Species on Si Nanoparticles Matsumoto, Taketoshi Maeda, Masanori Kobayashi, Hikaru Nanoscale Res Lett Nano Express We have fabricated Si nanoparticles from Si swarf using the beads milling method. The mode diameter of produced Si nanoparticles was between 4.8 and 5.2 nm. Si nanoparticles in hexane show photoluminescence (PL) spectra with peaks at 2.56, 2.73, 2.91, and 3.09 eV. The peaked PL spectra are attributed to the vibronic structure of adsorbed dimethylanthracene (DMA) impurity in hexane. The PL intensity of hexane with DMA increases by ~3000 times by adsorption on Si nanoparticles. The PL enhancement results from an increase in absorption probability of incident light by DMA caused by adsorption on the surface of Si nanoparticles. Springer US 2016-01-07 /pmc/articles/PMC4705079/ /pubmed/26744147 http://dx.doi.org/10.1186/s11671-015-1220-9 Text en © Matsumoto et al. 2016 Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
spellingShingle Nano Express
Matsumoto, Taketoshi
Maeda, Masanori
Kobayashi, Hikaru
Photoluminescence Enhancement of Adsorbed Species on Si Nanoparticles
title Photoluminescence Enhancement of Adsorbed Species on Si Nanoparticles
title_full Photoluminescence Enhancement of Adsorbed Species on Si Nanoparticles
title_fullStr Photoluminescence Enhancement of Adsorbed Species on Si Nanoparticles
title_full_unstemmed Photoluminescence Enhancement of Adsorbed Species on Si Nanoparticles
title_short Photoluminescence Enhancement of Adsorbed Species on Si Nanoparticles
title_sort photoluminescence enhancement of adsorbed species on si nanoparticles
topic Nano Express
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4705079/
https://www.ncbi.nlm.nih.gov/pubmed/26744147
http://dx.doi.org/10.1186/s11671-015-1220-9
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AT maedamasanori photoluminescenceenhancementofadsorbedspeciesonsinanoparticles
AT kobayashihikaru photoluminescenceenhancementofadsorbedspeciesonsinanoparticles

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