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http://hdl.handle.net/1942/12914
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DC Field | Value | Language |
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dc.contributor.author | VANDENBERGH, Joke | - |
dc.contributor.author | CONINGS, Bert | - |
dc.contributor.author | BERTHO, Sabine | - |
dc.contributor.author | KESTERS, Jurgen | - |
dc.contributor.author | SPOLTORE, Donato | - |
dc.contributor.author | Esiner, S. | - |
dc.contributor.author | Zhao, J. | - |
dc.contributor.author | Van Assche, G. | - |
dc.contributor.author | Wienk, M. M. | - |
dc.contributor.author | MAES, Wouter | - |
dc.contributor.author | LUTSEN, Laurence | - |
dc.contributor.author | Van Mele, B. | - |
dc.contributor.author | Janssen, R. A. J. | - |
dc.contributor.author | MANCA, Jean | - |
dc.contributor.author | VANDERZANDE, Dirk | - |
dc.date.accessioned | 2012-01-11T14:05:33Z | - |
dc.date.available | NO_RESTRICTION | - |
dc.date.available | 2012-01-11T14:05:33Z | - |
dc.date.issued | 2011 | - |
dc.identifier.citation | MACROMOLECULES, 44(21), p. 8470-8478 | - |
dc.identifier.issn | 0024-9297 | - |
dc.identifier.uri | http://hdl.handle.net/1942/12914 | - |
dc.description.abstract | To improve the thermal stability of polymer:fullerene bulk heterojunction solar cells, a new polymer, poly[2-methoxy-5-(2'-phenylethoxy)-1,4-phenylenevinylene] (MPE-PPV), has been designed and synthesized, which showed an increased glass transition temperature (T(g)) of 111 degrees C. The thermal characteristics and phase behavior of MPE-PPV:[6,6]-phenyl C(61)-butyric acid methyl ester ([60]PCBM) blends were investigated by means of modulated temperature differential scanning calorimetry and rapid heating-cooling calorimetry. The thermal stability of MPE-PPV: [60] PCBM solar cells was compared with devices based on the reference MDMO-PPV material with a T(g) of 45 degrees C. Monitoring of the photo-current-voltage characteristics at elevated temperatures revealed that the use of high-T(g) MPE-PPV resulted in a substantial improvement of the thermal stability of the solar cells. Furthermore, a systematic transmission electron microscope study of the active polymer:fullerene layer at elevated temperatures likewise demonstrated a more stable morphology for the MPE-PPV: [60] PCBM blend. Both observations indicate that the use of high-T(g) MPE-PPV as donor material leads to a reduced free movement of the fullerene molecules within the active layer of the photovoltaic device. Finally, optimization of the PPV:fullerene solar cells revealed that for both types of devices the use of [6,6]-phenyl C(71)-butyric acid methyl ester ([70]PCBM) resulted in a substantial increase of current density and power conversion efficiency, up to 3.0% for MDMO-PPV:[70]PCBM and 2.3% for MPE-PPV:[70]PCBM. | - |
dc.description.sponsorship | The authors gratefully acknowledge the Fund for Scientific Research-Flanders (FWO) (PhD grants for J.V. and S.B., the project G.0091.07, postdoctoral grant for W.M.) and the Belgian Science Policy (BELSPO) in the frame of network IAP P6/27, initiated by the Belgian State Prime Minister's Office, for their financial support. We also thank the Institute for the Promotion of Innovation by Science and Technology in Flanders (IWT) for the financial support via the IWT-SBO project 060843 "Polyspec". TA Instruments is acknowledged for support through "Project RHC". We also thank F. Piersimoni and J. D'Haen for help with the experimental setup. | - |
dc.language.iso | en | - |
dc.publisher | AMER CHEMICAL SOC | - |
dc.title | Thermal Stability of Poly[2-methoxy-5-(2 '-phenylethoxy)-1,4-phenylenevinylene] (MPE-PPV):Fullerene Bulk Heterojunction Solar Cells | - |
dc.type | Journal Contribution | - |
dc.identifier.epage | 8478 | - |
dc.identifier.issue | 21 | - |
dc.identifier.spage | 8470 | - |
dc.identifier.volume | 44 | - |
local.format.pages | 9 | - |
local.bibliographicCitation.jcat | A1 | - |
dc.description.notes | Vanderzande, DJM (reprint author),[Vandenbergh, J; Conings, B; Bertho, S; Kesters, J; Spoltore, D; Maes, W; Manca, J; Vanderzande, DJM] Hasselt Univ, Inst Mat Res IMO, B-3590 Diepenbeek, Belgium. [Esiner, S; Wienk, MM; Janssen, RAJ] Eindhoven Univ Technol, NL-5600 MB Eindhoven, Netherlands. [Zhao, J; Van Assche, G; Van Mele, B] Vrije Univ Brussel, Dept Mat & Chem, B-1050 Brussels, Belgium. [Maes, W] Katholieke Univ Leuven, B-3001 Heverlee, Belgium. [Lutsen, L; Manca, J; Vanderzande, DJM] IMEC, Div IMOMEC, B-3590 Diepenbeek, Belgium. dirk.vanderzande@uhasselt.be | - |
local.type.refereed | Refereed | - |
local.type.specified | Article | - |
dc.bibliographicCitation.oldjcat | A1 | - |
dc.identifier.doi | 10.1021/ma201911a | - |
dc.identifier.isi | 000296308300013 | - |
item.contributor | VANDENBERGH, Joke | - |
item.contributor | CONINGS, Bert | - |
item.contributor | BERTHO, Sabine | - |
item.contributor | KESTERS, Jurgen | - |
item.contributor | SPOLTORE, Donato | - |
item.contributor | Esiner, S. | - |
item.contributor | Zhao, J. | - |
item.contributor | Van Assche, G. | - |
item.contributor | Wienk, M. M. | - |
item.contributor | MAES, Wouter | - |
item.contributor | LUTSEN, Laurence | - |
item.contributor | Van Mele, B. | - |
item.contributor | Janssen, R. A. J. | - |
item.contributor | MANCA, Jean | - |
item.contributor | VANDERZANDE, Dirk | - |
item.fullcitation | VANDENBERGH, Joke; CONINGS, Bert; BERTHO, Sabine; KESTERS, Jurgen; SPOLTORE, Donato; Esiner, S.; Zhao, J.; Van Assche, G.; Wienk, M. M.; MAES, Wouter; LUTSEN, Laurence; Van Mele, B.; Janssen, R. A. J.; MANCA, Jean & VANDERZANDE, Dirk (2011) Thermal Stability of Poly[2-methoxy-5-(2 '-phenylethoxy)-1,4-phenylenevinylene] (MPE-PPV):Fullerene Bulk Heterojunction Solar Cells. In: MACROMOLECULES, 44(21), p. 8470-8478. | - |
item.accessRights | Restricted Access | - |
item.fulltext | With Fulltext | - |
item.validation | ecoom 2012 | - |
crisitem.journal.issn | 0024-9297 | - |
crisitem.journal.eissn | 1520-5835 | - |
Appears in Collections: | Research publications |
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vdb.pdf Restricted Access | Published version | 1.09 MB | Adobe PDF | View/Open Request a copy |
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