001     57069
005     20240708133744.0
024 7 _ |2 WOS
|a WOS:000242568300028
037 _ _ |a PreJuSER-57069
041 _ _ |a eng
082 _ _ |a 530
084 _ _ |2 WoS
|a Materials Science, Multidisciplinary
084 _ _ |2 WoS
|a Optics
084 _ _ |2 WoS
|a Physics, Applied
100 1 _ |a Nesheva, D.
|b 0
|0 P:(DE-HGF)0
245 _ _ |a Preparation of micro- and nanocrystalline CdSe and CdS thin films suitable for sensor applications
260 _ _ |a Bucharest
|b INOE & INFM
|c 2006
300 _ _ |a 2120 - 2125
336 7 _ |a Journal Article
|0 PUB:(DE-HGF)16
|2 PUB:(DE-HGF)
336 7 _ |a Output Types/Journal article
|2 DataCite
336 7 _ |a Journal Article
|0 0
|2 EndNote
336 7 _ |a ARTICLE
|2 BibTeX
336 7 _ |a JOURNAL_ARTICLE
|2 ORCID
336 7 _ |a article
|2 DRIVER
440 _ 0 |a Journal of Optoelectronics and Advanced Materials
|x 1454-4164
|0 10743
|y 6
|v 8
500 _ _ |a Record converted from VDB: 12.11.2012
520 _ _ |a Thin films of CdS (30-200 nm) and CdSe (10-100 nm) are prepared by physical vapour deposition using one-step (for CdS and CdSe) or step-by-step (for CdSe only) approach. Atomic force microscopy measurements reveal a grain size decrease with decreasing layer thickness. The effect is strongest in the step-by-step CdSe layers. Raman scattering measurements show an anticipated gradual increase of the scattered light from CdS layers with thickness and a non-monotonous change in the CdSe group, the intensity is strongest for the '50 nm' 'step-by-step' CdSe layer. This observation is ascribed to a size-induced increase of the optical band gap of a part of the microcrystals whose estimated size is similar to 8 nm. Room temperature investigations of the effect of exposure to a set of vapours (water, ethanol, ammonia, acetone, iodine) on the dc dark and steady state photoconductivity of CdS layers show a reasonable response of all US layers to water vapour. CdSe layers are rather insensitive with the exception of the '50 nm' layer, as the 'step-by-step' layer shows the best sensitivity to all vapours. The observed good gas-sensitivity of the 'step-by-step' CdSe layers is ascribed to a much greater integral interface area between nanocrystals and indicates that 'step-by-step' deposition of CdSe layers is quite promising for gas-sensor applications.
536 _ _ |a Erneuerbare Energien
|c P11
|2 G:(DE-HGF)
|0 G:(DE-Juel1)FUEK401
|x 0
588 _ _ |a Dataset connected to Web of Science
650 _ 7 |a J
|2 WoSType
653 2 0 |2 Author
|a thin films of CdS and CdSe
653 2 0 |2 Author
|a physical vapour deposition
653 2 0 |2 Author
|a atomic force microscopy
653 2 0 |2 Author
|a dark and photoconductivity
653 2 0 |2 Author
|a gas sensitivity
700 1 _ |a Aneva, Z.
|b 1
|0 P:(DE-HGF)0
700 1 _ |a Reynolds, S.
|b 2
|u FZJ
|0 P:(DE-Juel1)VDB13366
700 1 _ |a Main, C.
|b 3
|0 P:(DE-HGF)0
700 1 _ |a Fitzgerald, A. G.
|b 4
|0 P:(DE-HGF)0
773 _ _ |g Vol. 8, p. 2120 - 2125
|p 2120 - 2125
|q 8<2120 - 2125
|0 PERI:(DE-600)2163198-0
|t Journal of optoelectronics and advanced materials
|v 8
|y 2006
|x 1454-4164
909 C O |o oai:juser.fz-juelich.de:57069
|p VDB
913 1 _ |k P11
|v Erneuerbare Energien
|l Erneuerbare Energien
|b Energie
|0 G:(DE-Juel1)FUEK401
|x 0
914 1 _ |a Nachtrag
|y 2006
915 _ _ |0 StatID:(DE-HGF)0010
|a JCR/ISI refereed
920 1 _ |k IPV
|l Institut für Photovoltaik
|d 31.12.2006
|g IPV
|0 I:(DE-Juel1)VDB46
|x 1
970 _ _ |a VDB:(DE-Juel1)89781
980 _ _ |a VDB
980 _ _ |a ConvertedRecord
980 _ _ |a journal
980 _ _ |a I:(DE-Juel1)IEK-5-20101013
980 _ _ |a UNRESTRICTED
981 _ _ |a I:(DE-Juel1)IMD-3-20101013
981 _ _ |a I:(DE-Juel1)IEK-5-20101013


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