001     55336
005     20240708133712.0
024 7 _ |2 DOI
|a 10.1016/j.tsf.2005.12.114
024 7 _ |2 WOS
|a WOS:000238249000080
037 _ _ |a PreJuSER-55336
041 _ _ |a eng
082 _ _ |a 070
084 _ _ |2 WoS
|a Materials Science, Multidisciplinary
084 _ _ |2 WoS
|a Materials Science, Coatings & Films
084 _ _ |2 WoS
|a Physics, Applied
084 _ _ |2 WoS
|a Physics, Condensed Matter
100 1 _ |a Merdzhanova, T.
|b 0
|u FZJ
|0 P:(DE-Juel1)VDB14656
245 _ _ |a Defect states in microcrystalline silicon probed by photoluminescence spectroscopy
260 _ _ |a Amsterdam [u.a.]
|b Elsevier
|c 2006
300 _ _ |a 394 - 398
336 7 _ |a Journal Article
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|2 PUB:(DE-HGF)
336 7 _ |a Output Types/Journal article
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336 7 _ |a Journal Article
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336 7 _ |a ARTICLE
|2 BibTeX
336 7 _ |a JOURNAL_ARTICLE
|2 ORCID
336 7 _ |a article
|2 DRIVER
440 _ 0 |a Thin Solid Films
|x 0040-6090
|0 5762
|v 511-512
500 _ _ |a Record converted from VDB: 12.11.2012
520 _ _ |a Photoluminescence (PL) spectroscopy is used to investigate defects and localized band tail states within the band gap of hydrogenated microcrystalline silicon (mu c-Si:H) prepared by plasma enhanced chemical vapor deposition (PECVD) and hot wire chemical vapor deposition (HWCVD). The effect of the substrate temperature (T-S), which influences mainly the defect density, and silane concentration (SC), as the key parameter to control the microstructure of the material were varied. In high quality mu c-Si:H films (T-S= 185-200 degrees C) a PL band ('mu c'-Si-band) is observed at similar to 0.9-1.05 eV which is attributed to radiative recombination via localized band tail states in the microcrystalline phase. In mu c-Si:H films prepared at higher T-S (> 300 degrees C), an additional PL band at similar to 0.7 eV with a width of similar to 0.17 eV is found for both PECVD and HWCVD material. This band maintains its position at similar to 0.7 eV with increasing SC in contrast to the observed shift of the 'mu c'-Si-band to higher energies. Studies of the temperature dependences of the PL peak energy and intensity for the two bands show: (i) the PL band at 0.7 eV remains unaffected upon increasing temperature, while the 'mu c'-Si-band shifts to lower energies, (ii) a much weaker quenching for the 0.7 eV band compared to the 'mu c'-Si-band. It was also found that the PL band at 0.7 eV exhibits a slightly stronger temperature dependence of the PL intensity compared to 'defect' band at 0.9 eV in a-Si:H suggesting similar recombination transition via deeper trap states. Due to a similar PL properties of the emission band previously observed in Czochralski-grown silicon (Cz-Si), the 0.7 eV band in mu c-Si:H is assigned tentatively to defect-related transitions in the crystalline phase. (c) 2005 Elsevier B.V All rights reserved.
536 _ _ |a Erneuerbare Energien
|c P11
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588 _ _ |a Dataset connected to Web of Science
650 _ 7 |a J
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653 2 0 |2 Author
|a photoluminescence
653 2 0 |2 Author
|a defect states
653 2 0 |2 Author
|a silicon
653 2 0 |2 Author
|a temperature-dependent measurements
700 1 _ |a Carius, R.
|b 1
|u FZJ
|0 P:(DE-Juel1)VDB4964
700 1 _ |a Klein, S.
|b 2
|u FZJ
|0 P:(DE-Juel1)VDB5924
700 1 _ |a Finger, F.
|b 3
|u FZJ
|0 P:(DE-Juel1)130238
700 1 _ |a Dimova-Malinovska, D.
|b 4
|0 P:(DE-HGF)0
773 _ _ |a 10.1016/j.tsf.2005.12.114
|g Vol. 511-512, p. 394 - 398
|p 394 - 398
|q 511-512<394 - 398
|0 PERI:(DE-600)1482896-0
|t Thin solid films
|v 511-512
|y 2006
|x 0040-6090
856 7 _ |u http://dx.doi.org/10.1016/j.tsf.2005.12.114
909 C O |o oai:juser.fz-juelich.de:55336
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|l Erneuerbare Energien
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914 1 _ |y 2006
915 _ _ |0 StatID:(DE-HGF)0010
|a JCR/ISI refereed
920 1 _ |d 31.12.2006
|g IPV
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|l Institut für Photovoltaik
|0 I:(DE-Juel1)VDB46
|x 0
920 1 _ |0 I:(DE-82)080011_20140620
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|l Jülich-Aachen Research Alliance - Energy
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981 _ _ |a I:(DE-Juel1)IMD-3-20101013
981 _ _ |a I:(DE-Juel1)IEK-5-20101013
981 _ _ |a I:(DE-Juel1)VDB1047


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