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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Heier, Jakob
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (20/20 displayed)
- 2024Integration of metal meshes as transparent conducting electrodes into perovskite solar cellscitations
- 2024Polypy: a framework to interpret polymer properties from mass spectroscopy datacitations
- 2024Polypy:A Framework to Interpret Polymer Properties from Mass Spectroscopy Datacitations
- 2024Polypy: A Framework to Interpret Polymer Properties from Mass Spectrometry Datacitations
- 2020Nanocellulose‐MXene biomimetic aerogels with orientation‐tunable electromagnetic interference shielding performancecitations
- 2018Cyanine platelet single crystals: growth, crystal structure and optical spectracitations
- 2015Influence of chemically p-type doped active organic semiconductor on the film thickness versus performance trend in cyanine/C60 bilayer solar cells
- 2015Influence of chemically p-type doped active organic semiconductor on the film thickness versus performance trend in cyanine/C 60 bilayer solar cellscitations
- 2014Photonic light trapping in self-organized all-oxide microspheroids impacts photoelectrochemical water splittingcitations
- 2012(Benzimidazolin-2-ylidene)-AuI-Alkynyl Complexescitations
- 2012Self-organised microdots formed by dewetting in a highly volatile liquidcitations
- 2011The effect of solvent and electric field on the size distribution of iron oxide microdots: exploitation of self-assembly strategies for photoelectrodescitations
- 2011Synthesis, thin-film morphology, and comparative study of bulk and bilayer heterojunction organic photovoltaic devices using soluble diketopyrrolopyrrole moleculescitations
- 2011Three dimensional analysis of self-structuring organic thin films using time-of-flight secondary ion mass spectrometrycitations
- 2010High performing doped cyanine bilayer solar cellcitations
- 2009Pattern formation in thin polymer films by spatially modulated electric fieldscitations
- 2009J-aggregation of cyanine dyes by self-assemblycitations
- 2007Interface control in organic heterojunction photovoltaic cells by phase separation processes
- 2007Interface morphology snapshots of vertically segregated thin films of semiconducting polymer/polystyrene blendscitations
- 2007Interface morphology snapshots of vertically segregated thin films of semiconducting polymer/polystyrene blendscitations
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article
Interface morphology snapshots of vertically segregated thin films of semiconducting polymer/polystyrene blends
Abstract
e present atomic force microscopic images of the interphase morphology of vertically segregated thin films spin coated from two-component mixtures of poly[2-methoxy-5-(2′-ethylhexyloxy)-1,4-phenylene-vinylene] (MEH-PPV) and polystyrene (PS). We investigate the mechanism leading to the formation of wetting layers and lateral structures during spin coating using different PS molecular weights, solvents and blend compositions. Spinodal decomposition competes with the formation of surface enrichment layers. The spinodal wavelength as a function of PS molecular weight follows a power-law similar to bulk-like spinodal decomposition. Our experimental results indicate that length scales of interface topographical features can be adjusted from the nanometer to micrometer range. The importance of controlled arrangement of semiconducting polymers in thin film geometries for organic optoelectronic device applications is discussed.