dc.contributor.author | Hendry, Euan | en_GB |
dc.contributor.author | Schins, Juleon M. | en_GB |
dc.contributor.author | Candeias, L. P. | en_GB |
dc.contributor.author | Siebbeles, L. D. A. | en_GB |
dc.contributor.author | Bonn, Mischa | en_GB |
dc.contributor.department | University of Exeter (at the time of publication Euan Hendry was affiliated to Leiden University); Leiden University; Delft University of Technology; FOM Institute for Atomic and Molecular Physics, Amsterdam | en_GB |
dc.date.accessioned | 2008-07-25T10:54:35Z | en_GB |
dc.date.accessioned | 2011-01-25T11:55:03Z | en_GB |
dc.date.accessioned | 2013-03-20T13:24:04Z | |
dc.date.issued | 2004-05-13 | en_GB |
dc.description.abstract | We determine the efficiencies for the formation of excitons and charge carriers following ultrafast photoexcitation of a semiconducting polymer (MEH-PPV). The simultaneous, quantitative determination of exciton and charge photoyields is achieved through subpicosecond studies of both the real and the imaginary components of the complex conductivity over a wide frequency range. Predominantly excitons, with near-unity quantum efficiency, are generated on excitation, while only a very small fraction (<10-2) of free charges are initially excited, consistent with rapid (∼100 fs) hot exciton dissociation. These initial charges are very short lived, decaying on subpicosecond time scales. | en_GB |
dc.identifier.citation | Vol. 92 (19), article 196601 | en_GB |
dc.identifier.doi | 10.1103/PhysRevLett.92.196601 | en_GB |
dc.identifier.uri | http://hdl.handle.net/10036/33212 | en_GB |
dc.language.iso | en | en_GB |
dc.publisher | American Physical Society | en_GB |
dc.title | Efficiency of Exciton and Charge Carrier Photogeneration in a Semiconducting Polymer | en_GB |
dc.type | Article | en_GB |
dc.date.available | 2008-07-25T10:54:35Z | en_GB |
dc.date.available | 2011-01-25T11:55:03Z | en_GB |
dc.date.available | 2013-03-20T13:24:04Z | |
dc.identifier.issn | 0031-9007 | en_GB |
dc.identifier.issn | 1079-7114 | en_GB |
dc.description | Euan Hendry, Juleon M. Schins, L. P. Candeias, L. D. A. Siebbeles, and Mischa Bonn, Physical Review Letters, Vol. 92, article 196601 (2004). "Copyright © 2004 by the American Physical Society." | en_GB |
dc.identifier.journal | Physical Review Letters | en_GB |