Plasmon-assisted click chemistry at low temperature: an inverse temperature effect on the reaction rate; Chemical Science; Vol. 12, iss. 15
| Parent link: | Chemical Science Vol. 12, iss. 15.— 2021.— [P. 5591-5598] |
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| 団体著者: | |
| その他の著者: | , , , , , , , , , |
| 要約: | Title screen Plasmon assistance promotes a range of chemical transformations by decreasing their activation energies. In a common case, thermal and plasmon assistance work synergistically: higher temperature results in higher plasmon-enhanced catalysis efficiency. Herein, we report an unexpected tenfold increase in the reaction efficiency of surface plasmon-assisted Huisgen dipolar azide–alkyne cycloaddition (AAC) when the reaction mixture is cooled from room temperature to -35 °C. We attribute the observed increase in the reaction efficiency to complete plasmon-induced annihilation of the reaction barrier, prolongation of plasmon lifetime, and decreased relaxation of plasmon-excited-states under cooling. Furthermore, control quenching experiments supported by theoretical calculations indicate that plasmon-mediated substrate excitation to an electronic triplet state may play the key role in plasmon-assisted chemical transformation. Last but not least, we demonstrated the possible applicability of plasmon assistance to biological systems by AAC coupling of biotin to gold nanoparticles performed at -35 °C. |
| 言語: | 英語 |
| 出版事項: |
2021
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| 主題: | |
| オンライン･アクセス: | https://doi.org/10.1039/D0SC05898J |
| フォーマット: | 電子媒体 図書の章 |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=664485 |
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| 200 | 1 | |a Plasmon-assisted click chemistry at low temperature: an inverse temperature effect on the reaction rate |f O. A. Guselnikova, I. Vana, L. T. Phuong [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 58 tit.] | ||
| 330 | |a Plasmon assistance promotes a range of chemical transformations by decreasing their activation energies. In a common case, thermal and plasmon assistance work synergistically: higher temperature results in higher plasmon-enhanced catalysis efficiency. Herein, we report an unexpected tenfold increase in the reaction efficiency of surface plasmon-assisted Huisgen dipolar azide–alkyne cycloaddition (AAC) when the reaction mixture is cooled from room temperature to -35 °C. We attribute the observed increase in the reaction efficiency to complete plasmon-induced annihilation of the reaction barrier, prolongation of plasmon lifetime, and decreased relaxation of plasmon-excited-states under cooling. Furthermore, control quenching experiments supported by theoretical calculations indicate that plasmon-mediated substrate excitation to an electronic triplet state may play the key role in plasmon-assisted chemical transformation. Last but not least, we demonstrated the possible applicability of plasmon assistance to biological systems by AAC coupling of biotin to gold nanoparticles performed at -35 °C. | ||
| 461 | |t Chemical Science | ||
| 463 | |t Vol. 12, iss. 15 |v [P. 5591-5598] |d 2021 | ||
| 610 | 1 | |a электронный ресурс | |
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| 701 | 1 | |a Panov |b I. L. |g Iljya Leonidovich | |
| 701 | 1 | |a Rulishek |b L. |g Lyubomir | |
| 701 | 1 | |a Trelin |b A. |g Andrey | |
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