Chemical Bath Deposition of PbS:Hg2+ Nanocrystalline Thin Films

Chemical Bath Deposition of PbS:Hg2+ Nanocrystalline Thin Films

Nanocrystalline PbS thin films were prepared by Chemical Bath Deposition (CBD) at 40 ± 2°C onto glass substrates and their structural and optical properties modified by in-situ doping with Hg. The morphological changes of the layers were analyzed using SEM and the X-rays spectra showing growth on th...

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Main Authors: R. Palomino-Merino, O. Portillo-Moreno, L. A. Chaltel-Lima, R. Gutiérrez Pérez, M. de Icaza-Herrera, V. M. Castaño
Format: Article
Language:English
Published: Hindawi Limited 2013-01-01
Series:Journal of Nanomaterials
Online Access:http://dx.doi.org/10.1155/2013/507647
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spelling doaj-1134504aca9845909aaf4cfea0c335a62020-11-24T23:17:55ZengHindawi LimitedJournal of Nanomaterials1687-41101687-41292013-01-01201310.1155/2013/507647507647Chemical Bath Deposition of PbS:Hg2+ Nanocrystalline Thin FilmsR. Palomino-Merino0O. Portillo-Moreno1L. A. Chaltel-Lima2R. Gutiérrez Pérez3M. de Icaza-Herrera4V. M. Castaño5Facultad de Ciencias Físico Matemáticas, Posgrado en Física Aplicada, Benemérita Universidad Autónoma de Puebla, Avenida San Claudio y 18 Sur, Colonia San Manuel, Ciudad Universitaria, 72570 Puebla, PUE, MexicoFacultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, P.O. Box 1067, 72001 Puebla, PUE, MexicoFacultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, P.O. Box 1067, 72001 Puebla, PUE, MexicoLaboratorio de Síntesis de Complejos, Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, P.O. Box 1067, 72001 Puebla, PUE, MexicoCentro de Física Aplicada y Tecnología Avanzada, Universidad Nacional Autónoma de México, Boulevard Juriquilla 3001, 76230 Santiago de Querétaro, QRO, MexicoCentro de Física Aplicada y Tecnología Avanzada, Universidad Nacional Autónoma de México, Boulevard Juriquilla 3001, 76230 Santiago de Querétaro, QRO, MexicoNanocrystalline PbS thin films were prepared by Chemical Bath Deposition (CBD) at 40 ± 2°C onto glass substrates and their structural and optical properties modified by in-situ doping with Hg. The morphological changes of the layers were analyzed using SEM and the X-rays spectra showing growth on the zinc blende (ZB) face. The grain size determined by using X-rays spectra for undoped samples was found to be ~36 nm, whereas with the doped sample was 32–20 nm. Optical absorption spectra were used to calculate the Eg, showing a shift in the range 1.4–2.4 eV. Raman spectroscopy exhibited an absorption band ~135 cm−1 displaying only a PbS ZB structure.http://dx.doi.org/10.1155/2013/507647
collection DOAJ
language English
format Article
sources DOAJ
author R. Palomino-Merino
O. Portillo-Moreno
L. A. Chaltel-Lima
R. Gutiérrez Pérez
M. de Icaza-Herrera
V. M. Castaño
spellingShingle R. Palomino-Merino
O. Portillo-Moreno
L. A. Chaltel-Lima
R. Gutiérrez Pérez
M. de Icaza-Herrera
V. M. Castaño
Chemical Bath Deposition of PbS:Hg2+ Nanocrystalline Thin Films
Journal of Nanomaterials
author_facet R. Palomino-Merino
O. Portillo-Moreno
L. A. Chaltel-Lima
R. Gutiérrez Pérez
M. de Icaza-Herrera
V. M. Castaño
author_sort R. Palomino-Merino
title Chemical Bath Deposition of PbS:Hg2+ Nanocrystalline Thin Films
title_short Chemical Bath Deposition of PbS:Hg2+ Nanocrystalline Thin Films
title_full Chemical Bath Deposition of PbS:Hg2+ Nanocrystalline Thin Films
title_fullStr Chemical Bath Deposition of PbS:Hg2+ Nanocrystalline Thin Films
title_full_unstemmed Chemical Bath Deposition of PbS:Hg2+ Nanocrystalline Thin Films
title_sort chemical bath deposition of pbs:hg2+ nanocrystalline thin films
publisher Hindawi Limited
series Journal of Nanomaterials
issn 1687-4110
1687-4129
publishDate 2013-01-01
description Nanocrystalline PbS thin films were prepared by Chemical Bath Deposition (CBD) at 40 ± 2°C onto glass substrates and their structural and optical properties modified by in-situ doping with Hg. The morphological changes of the layers were analyzed using SEM and the X-rays spectra showing growth on the zinc blende (ZB) face. The grain size determined by using X-rays spectra for undoped samples was found to be ~36 nm, whereas with the doped sample was 32–20 nm. Optical absorption spectra were used to calculate the Eg, showing a shift in the range 1.4–2.4 eV. Raman spectroscopy exhibited an absorption band ~135 cm−1 displaying only a PbS ZB structure.
url http://dx.doi.org/10.1155/2013/507647
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