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https://hdl.handle.net/10356/83909| Title: | Single photon triggered dianion formation in TCNQ and F4TCNQ crystals | Authors: | Ma, Lin Hu, Peng Jiang, Hui Kloc, Christian Sun, Handong Soci, Cesare Voityuk, Alexander A. Michel-Beyerle, Maria E. Gurzadyan, Gagik G. |
Keywords: | Optical Physics Optics and Photonics |
Issue Date: | 2016 | Source: | Ma, L., Hu, P., Jiang, H., Kloc, C., Sun, H., Soci, C., et al. (2016). Single photon triggered dianion formation in TCNQ and F4TCNQ crystals. Scientific Reports, 6, 28510-. | Series/Report no.: | Scientific Reports | Abstract: | Excited state dynamics in two strong organic electron acceptor systems, TCNQ and F4TCNQ single crystals, was studied. After absorption of a single photon, dianions are formed in both crystals on ultrashort timescale. By use of transient absorption spectroscopy, we demonstrate that the dianion formation in F4TCNQ is mediated by the radical anion precursor which is described by a two-step model. Our measurements show the phenomenon that in this quinoid acceptor crystals in the absence of additional donor molecule, it is possible to resolve the two step formation of a doubly charged anion upon absorption of a single low energy photon (2.6 eV). | URI: | https://hdl.handle.net/10356/83909 http://hdl.handle.net/10220/42838 |
ISSN: | 2045-2322 | DOI: | 10.1038/srep28510 | Rights: | © 2016 The Author(s). This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/ | Fulltext Permission: | open | Fulltext Availability: | With Fulltext |
| Appears in Collections: | MSE Journal Articles SPMS Journal Articles |
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| Single photon triggered dianion formation of TCNQ and F(4)TCNQ crystals.pdf | 996.12 kB | Adobe PDF |  View/Open |
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