Can Plasmon Change Reaction Path? Decomposition of Unsymmetrical Iodonium Salts as an Organic Probe; Journal of Physical Chemistry Letters; Vol. 11, iss. 14
| Parent link: | Journal of Physical Chemistry Letters Vol. 11, iss. 14.— 2020.— [P. 5770-5776] |
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| Autor Corporativo: | |
| Otros Autores: | , , , , , , , , , , , , |
| Sumario: | Title screen Plasmon-assisted transformations of organic compounds represent a novel opportunity for conversion of light to chemical energy at room temperature. However, the mechanistic insights of interaction between plasmon energy and organic molecules is still under debate. Herein, we proposed a comprehensive study of the plasmon-assisted reaction mechanism using unsymmetric iodonium salts (ISs) as an organic probe. The experimental and theoretical analysis allow us to exclude the possible thermal effect or hot electron transfer. We found that plasmon interaction with unsymmetrical ISs led to the intramolecular excitation of electron followed by the regioselective cleavage of C–I bond with the formation of electron-rich radical species, which cannot be explained by the hot electron excitation or thermal effects. The high regioselectivity is explained by the direct excitation of electron to LUMO with the formation of a dissociative excited state according to quantum-chemical modeling, which provides novel opportunities for the fine control of reactivity using plasmon energy. Режим доступа: по договору с организацией-держателем ресурса |
| Lenguaje: | inglés |
| Publicado: |
2020
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| Materias: | |
| Acceso en línea: | https://doi.org/10.1021/acs.jpclett.0c01350 |
| Formato: | Electrónico Capítulo de libro |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=663670 |
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| 200 | 1 | |a Can Plasmon Change Reaction Path? Decomposition of Unsymmetrical Iodonium Salts as an Organic Probe |f E. V. Milyutina (Miliutina), O. A. Guselnikova, N. S. Soldatova [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 330 | |a Plasmon-assisted transformations of organic compounds represent a novel opportunity for conversion of light to chemical energy at room temperature. However, the mechanistic insights of interaction between plasmon energy and organic molecules is still under debate. Herein, we proposed a comprehensive study of the plasmon-assisted reaction mechanism using unsymmetric iodonium salts (ISs) as an organic probe. The experimental and theoretical analysis allow us to exclude the possible thermal effect or hot electron transfer. We found that plasmon interaction with unsymmetrical ISs led to the intramolecular excitation of electron followed by the regioselective cleavage of C–I bond with the formation of electron-rich radical species, which cannot be explained by the hot electron excitation or thermal effects. The high regioselectivity is explained by the direct excitation of electron to LUMO with the formation of a dissociative excited state according to quantum-chemical modeling, which provides novel opportunities for the fine control of reactivity using plasmon energy. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | |t Journal of Physical Chemistry Letters | ||
| 463 | |t Vol. 11, iss. 14 |v [P. 5770-5776] |d 2020 | ||
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| 701 | 1 | |a Guselnikova |b O. A. |c chemist |c Researcher at Tomsk Polytechnic University, Candidate of Chemical Sciences |f 1992- |g Olga Andreevna |3 (RuTPU)RU\TPU\pers\34478 |9 17861 | |
| 701 | 1 | |a Soldatova |b N. S. |g Nataljya Sergeevna | |
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| 701 | 1 | |a Lyutakov |b O. |g Oleksy | |
| 701 | 1 | |a Postnikov |b P. S. |c organic chemist |c Associate Professor of Tomsk Polytechnic University, Candidate of chemical sciences |f 1984- |g Pavel Sergeevich |3 (RuTPU)RU\TPU\pers\31287 |9 15465 | |
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