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Relaxation dynamics and exciton energy transfer in the low-temperature phase of MEH-PPV.
| Content Provider | Semantic Scholar |
|---|---|
| Author | Consani, Cristina Koch, Federico Panzer, Fabian Unger, Thomas Köhler, Anna Brixner, Tobias |
| Copyright Year | 2015 |
| Abstract | Understanding the effects of aggregation on exciton relaxation and energy transfer is relevant to control photoinduced function in organic electronics and photovoltaics. Here, we explore the photoinduced dynamics in the low-temperature aggregated phase of a conjugated polymer by transient absorption and coherent electronic two-dimensional (2D) spectroscopy. Coherent 2D spectroscopy allows observing couplings among photoexcited states and discriminating band shifts from homogeneous broadening, additionally accessing the ultrafast dynamics at various excitation energies simultaneously with high spectral resolution. By combining the results of the two techniques, we differentiate between an initial exciton relaxation, which is not characterized by significant exciton mobility, and energy transport between different chromophores in the aggregate. |
| Starting Page | 212429 |
| Ending Page | 212429 |
| Page Count | 1 |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://www.ep2-bayreuth.de/wp-content/uploads/2015/04/1.4918645.pdf |
| PubMed reference number | 26049449v1 |
| Alternate Webpage(s) | https://doi.org/10.1063/1.4918645 |
| DOI | 10.1063/1.4918645 |
| Journal | The Journal of chemical physics |
| Volume Number | 142 |
| Issue Number | 21 |
| Language | English |
| Access Restriction | Open |
| Subject Keyword | EPHX1 wt Allele Energy Transfer Energy, Physics Excitation Immunostimulating conjugate (antigen) Polymers Positive Predictive Value of Diagnostic Test |
| Content Type | Text |
| Resource Type | Article |
