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Journal of Nanoparticle Research

Erschienen in:

01.06.2011 | Brief communication

Tailoring the photoluminescence of PbS-nanoparticles layers deposited by means of the pulsed laser ablation technique

verfasst von: I. Ka, D. Ma, M. A. El Khakani

Erschienen in: Journal of Nanoparticle Research | Ausgabe 6/2011

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Abstract

In this article, we report on the room-temperature pulsed laser deposition (PLD) of lead sulfide (PbS) nanoparticles (NPs) layers onto various substrates. It is particularly shown that the average size of PbS NPs can be controlled by varying the number of laser ablation pulses. The pulsed laser deposited PbS NPs are found to be of high-crystalline quality and their photoluminescence (PL) to blue shift significantly from 1420 to 880 nm, as their average diameter is decreased from 8.5 to 2.5 nm, thereby confirming the quantum size effect. The latitude of our PLD process is shown to permit the achievement of multilayered PbS-NPs structures of which the overall PL emission spectrum can be tailored through the appropriate stack of individual PbS-NPs layers.

Vorheriger Artikel Nanotechnology between the lab and the shop floor: what are the effects on labor?

Nächster Artikel Special electronic structures and quantum conduction of B/P co-doping carbon nanotubes under electric field using the first principle

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Titel: Tailoring the photoluminescence of PbS-nanoparticles layers deposited by means of the pulsed laser ablation technique
verfasst von: I. Ka
D. Ma
M. A. El Khakani
Publikationsdatum: 01.06.2011
Verlag: Springer Netherlands
Erschienen in: Journal of Nanoparticle Research / Ausgabe 6/2011
Print ISSN: 1388-0764
Elektronische ISSN: 1572-896X
DOI: https://doi.org/10.1007/s11051-011-0401-4

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