Synthesis, Structure, and Photophysical Properties of Yellow-Green and Blue Photoluminescent Dinuclear and Octanuclear Copper(I) Iodide Complexes with a Disilanylene-Bridged Bispyridine Ligand
The synthesis, structural, and photophysical investigations of CuI complexes with a disilanylene-bridged bispyridine ligand <b>1</b> are herein presented. Dinuclear (<b>2</b>) and ladder-like (<b>3</b>) octanuclear copper(I) complexes were straightforwardly prepar...
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MDPI AG
2021-11-01
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| Series: | Molecules |
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| Online Access: | https://www.mdpi.com/1420-3049/26/22/6852 |
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| author | Toyotaka Nakae Hiroto Miyabe Masaki Nishio Teppei Yamada Yoshinori Yamanoi |
| author_facet | Toyotaka Nakae Hiroto Miyabe Masaki Nishio Teppei Yamada Yoshinori Yamanoi |
| author_sort | Toyotaka Nakae |
| collection | DOAJ |
| description | The synthesis, structural, and photophysical investigations of CuI complexes with a disilanylene-bridged bispyridine ligand <b>1</b> are herein presented. Dinuclear (<b>2</b>) and ladder-like (<b>3</b>) octanuclear copper(I) complexes were straightforwardly prepared by exactly controlling the ratio of CuI/ligand <b>1</b>. Single-crystal X-ray analysis confirmed that dinuclear complex <b>2</b> had no apparent π…π stacking whereas octanuclear complex <b>3</b> had π…π stacking in the crystal packing. In the solid state, the complexes display yellow-green (<i>λ</i><sub>em</sub> = 519 nm, <i>Φ</i> = 0.60, <i>τ</i> = 11 µs, <b>2</b>) and blue (<i>λ</i><sub>em</sub> = 478 nm, <i>Φ</i> = 0.04, <i>τ</i> = 2.6 µs, <b>3</b>) phosphorescence, respectively. The density functional theory calculations validate the differences in their optical properties. The difference in the luminescence efficiency between <b>2</b> and <b>3</b> is attributed to the presence of π…π stacking and the different luminescence processes. |
| first_indexed | 2024-03-10T05:14:19Z |
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| id | doaj.art-d932eed022af4947bfe761372f46fdda |
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| issn | 1420-3049 |
| language | English |
| last_indexed | 2024-03-10T05:14:19Z |
| publishDate | 2021-11-01 |
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| series | Molecules |
| spelling | doaj.art-d932eed022af4947bfe761372f46fdda2023-11-23T00:34:47ZengMDPI AGMolecules1420-30492021-11-012622685210.3390/molecules26226852Synthesis, Structure, and Photophysical Properties of Yellow-Green and Blue Photoluminescent Dinuclear and Octanuclear Copper(I) Iodide Complexes with a Disilanylene-Bridged Bispyridine LigandToyotaka Nakae0Hiroto Miyabe1Masaki Nishio2Teppei Yamada3Yoshinori Yamanoi4Department of Chemistry, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, JapanDepartment of Chemistry, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, JapanDepartment of Chemistry, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, JapanDepartment of Chemistry, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, JapanDepartment of Chemistry, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, JapanThe synthesis, structural, and photophysical investigations of CuI complexes with a disilanylene-bridged bispyridine ligand <b>1</b> are herein presented. Dinuclear (<b>2</b>) and ladder-like (<b>3</b>) octanuclear copper(I) complexes were straightforwardly prepared by exactly controlling the ratio of CuI/ligand <b>1</b>. Single-crystal X-ray analysis confirmed that dinuclear complex <b>2</b> had no apparent π…π stacking whereas octanuclear complex <b>3</b> had π…π stacking in the crystal packing. In the solid state, the complexes display yellow-green (<i>λ</i><sub>em</sub> = 519 nm, <i>Φ</i> = 0.60, <i>τ</i> = 11 µs, <b>2</b>) and blue (<i>λ</i><sub>em</sub> = 478 nm, <i>Φ</i> = 0.04, <i>τ</i> = 2.6 µs, <b>3</b>) phosphorescence, respectively. The density functional theory calculations validate the differences in their optical properties. The difference in the luminescence efficiency between <b>2</b> and <b>3</b> is attributed to the presence of π…π stacking and the different luminescence processes.https://www.mdpi.com/1420-3049/26/22/6852disilanylene-bridged chelating ligandcopper(I) iodidephotoluminescence |
| spellingShingle | Toyotaka Nakae Hiroto Miyabe Masaki Nishio Teppei Yamada Yoshinori Yamanoi Synthesis, Structure, and Photophysical Properties of Yellow-Green and Blue Photoluminescent Dinuclear and Octanuclear Copper(I) Iodide Complexes with a Disilanylene-Bridged Bispyridine Ligand Molecules disilanylene-bridged chelating ligand copper(I) iodide photoluminescence |
| title | Synthesis, Structure, and Photophysical Properties of Yellow-Green and Blue Photoluminescent Dinuclear and Octanuclear Copper(I) Iodide Complexes with a Disilanylene-Bridged Bispyridine Ligand |
| title_full | Synthesis, Structure, and Photophysical Properties of Yellow-Green and Blue Photoluminescent Dinuclear and Octanuclear Copper(I) Iodide Complexes with a Disilanylene-Bridged Bispyridine Ligand |
| title_fullStr | Synthesis, Structure, and Photophysical Properties of Yellow-Green and Blue Photoluminescent Dinuclear and Octanuclear Copper(I) Iodide Complexes with a Disilanylene-Bridged Bispyridine Ligand |
| title_full_unstemmed | Synthesis, Structure, and Photophysical Properties of Yellow-Green and Blue Photoluminescent Dinuclear and Octanuclear Copper(I) Iodide Complexes with a Disilanylene-Bridged Bispyridine Ligand |
| title_short | Synthesis, Structure, and Photophysical Properties of Yellow-Green and Blue Photoluminescent Dinuclear and Octanuclear Copper(I) Iodide Complexes with a Disilanylene-Bridged Bispyridine Ligand |
| title_sort | synthesis structure and photophysical properties of yellow green and blue photoluminescent dinuclear and octanuclear copper i iodide complexes with a disilanylene bridged bispyridine ligand |
| topic | disilanylene-bridged chelating ligand copper(I) iodide photoluminescence |
| url | https://www.mdpi.com/1420-3049/26/22/6852 |
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