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Luminescence probin...
Luminescence probing of crystallization in a polymer film
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- Granlund, T (author)
- Linkoping Univ, Dept Phys & Measurement Technol, Appl Phys Lab, S-58183 Linkoping, Sweden Chalmers Univ Technol, Dept Organ Chem & Polymer Technol, S-41296 Gothenburg, Sweden
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- Pettersson, Lars (author)
- Linköpings universitet,Tekniska högskolan,Institutionen för fysik, kemi och biologi
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Andersson, MR (author)
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- Inganäs, Olle (author)
- Linköpings universitet,Tekniska högskolan,Biomolekylär och Organisk Elektronik
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(creator_code:org_t)
- 2000
- 2000
- English.
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In: Journal of Applied Physics. - 0021-8979 .- 1089-7550. ; 87:12, s. 8549-8556
- Related links:
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https://urn.kb.se/re...
Abstract
Subject headings
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- We report studies of a thin film multilayer stack including a highly emissive substituted polythiophene, poly[3-(2,5-dioctylphenyl)thiophene]. Analysis of the photoluminescence spectra revealed an inhomogeneous polymer film. X-ray diffraction studies attribute the existence of an inhomogeneous film as originating from crystallization of the polymer. We used the interference effect of light to detect the region of crystallization in the film. Photoluminescence and absorption were redshifted upon crystallization and displayed an enhanced vibronic structure. Comparison between calculated and measured photoluminescence shows that the crystallization starts from the top of the film and not from the supporting substrate. (C) 2000 American Institute of Physics. [S0021- 8979(00)08112-3].
Keyword
- TECHNOLOGY
- TEKNIKVETENSKAP
Publication and Content Type
- ref (subject category)
- art (subject category)
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