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231225s2017 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201703933
|2 doi
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|a pubmed24n0921.xml
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|a (DE-627)NLM276595289
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|a (NLM)28990271
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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|a Manley, Eric F
|e verfasserin
|4 aut
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|a In Situ GIWAXS Analysis of Solvent and Additive Effects on PTB7 Thin Film Microstructure Evolution during Spin Coating
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|c 2017
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 18.07.2018
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|a Date Revised 01.10.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a The influence of solvent and processing additives on the pathways and rates of crystalline morphology formation for spin-coated semiconducting PTB7 (poly[[4,8-bis[(2-ethylhexyl)oxy]benzo[1,2-b:4,5-b']dithiophene-2,6-diyl][3-fluoro-2-[(2-ethylhexyl)-carbonyl]-thieno[3,4-b]thiophenediyl]]) thin films is investigated by in situ grazing incidence wide-angle X-ray scattering (GIWAXS) and optical reflectance, to better understand polymer solar cell (PSC) optimization approaches. In situ characterization of PTB7 film formation from chloroform (CF), chlorobenzene (CB), and 1,2-dichlorobenzene (DCB) solutions, as well as CB solutions with 1% and 3% v/v of the processing additives 1-chloronapthalene (CN), diphenylether (DPE), and 1,8-diiodooctane (DIO), reveals multiple crystallization pathways with: (i) single-solvent systems exhibiting rapid (<3 s) crystallization after a solvent boiling point-dependent film thinning transition, (ii) solvent + additive systems exhibiting different crystallization pathways and crystallite formation times from minutes (CN, DPE) to 1.5 h (DIO). Identifying crystalline intermediates has implications for bulk-heterojunction PSC morphology optimization via optimized spin-casting processes
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|a Journal Article
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|a PTB7
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|a additives
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|a in situ GIWAXS
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|a organic photovoltaics
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|a spin coating
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|a Strzalka, Joseph
|e verfasserin
|4 aut
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|a Fauvell, Thomas J
|e verfasserin
|4 aut
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|a Jackson, Nicholas E
|e verfasserin
|4 aut
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|a Leonardi, Matthew J
|e verfasserin
|4 aut
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|a Eastham, Nicholas D
|e verfasserin
|4 aut
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1 |
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|a Marks, Tobin J
|e verfasserin
|4 aut
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|a Chen, Lin X
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 29(2017), 43 vom: 04. Nov.
|w (DE-627)NLM098206397
|x 1521-4095
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|g volume:29
|g year:2017
|g number:43
|g day:04
|g month:11
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|u http://dx.doi.org/10.1002/adma.201703933
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