Radical-Induced Photochromic Silver(I) Metal-Organic Frameworks : Alternative Topology, Dynamic Photoluminescence and Efficient Photothermal Conversion Modulated by Anionic Guests
© 2024 Wiley‐VCH GmbH..
Photogenerated radicals are an indispensable member of the state-of-the-art photochromic material family, as they can effectively modulate the photoluminescence and photothermal conversion performance of radical-induced photochromic complexes. Herein, two novel radical-induced photochromic metal‒organic frameworks (MOFs), [Ag(TEPE)](AC)⋅7/4H2O⋅5/4EtOH (1) and [Ag(TEPE)](NC)⋅3H2O⋅EtOH (2), are reported. Distinctly different topological networks can be obtained by judiciously introducing alternative π-conjugated anionic guests, including a new topological structure (named as sfm) first reported in this work, describing as 4,4,4,4-c net. EPR data and UV-Vis spectra prove the radical-induced photochromic mechanism. Dynamic photochromism exhibits tunability in a wide CIE color space, with a linear segment from yellow to red for 1, while a curved coordinate line for 2, resulting in colorful emission from blue to orange. Moreover, photogenerated TEPE* radicals effectively activate the near-infrared (NIR) photothermal conversion effect of MOFs. Under 1 W cm-2 808 nm laser irradiation, the surface temperatures of photoproducts 1* and 2* can reach ~160 ℃ and ~120 ℃, respectively, with competitive NIR photothermal conversion efficiencies η = 51.8% (1*) and 36.2% (2*). This work develops a feasible electrostatic compensation strategy to accurately introduce photoactive anionic guests into MOFs to construct multifunctional radical-induced photothermal conversion materials with tunable photoluminescence behavior.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - year:2024 |
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| Enthalten in: |
Angewandte Chemie (International ed. in English) - (2024) vom: 26. März, Seite e202401448 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Liao, Pei-Yu [VerfasserIn] |
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| Links: |
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| Themen: |
Journal Article |
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| Anmerkungen: |
Date Revised 26.03.2024 published: Print-Electronic Citation Status Publisher |
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| doi: |
10.1002/anie.202401448 |
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| funding: |
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| PPN (Katalog-ID): |
NLM370203003 |
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| 520 | |a © 2024 Wiley‐VCH GmbH. | ||
| 520 | |a Photogenerated radicals are an indispensable member of the state-of-the-art photochromic material family, as they can effectively modulate the photoluminescence and photothermal conversion performance of radical-induced photochromic complexes. Herein, two novel radical-induced photochromic metal‒organic frameworks (MOFs), [Ag(TEPE)](AC)⋅7/4H2O⋅5/4EtOH (1) and [Ag(TEPE)](NC)⋅3H2O⋅EtOH (2), are reported. Distinctly different topological networks can be obtained by judiciously introducing alternative π-conjugated anionic guests, including a new topological structure (named as sfm) first reported in this work, describing as 4,4,4,4-c net. EPR data and UV-Vis spectra prove the radical-induced photochromic mechanism. Dynamic photochromism exhibits tunability in a wide CIE color space, with a linear segment from yellow to red for 1, while a curved coordinate line for 2, resulting in colorful emission from blue to orange. Moreover, photogenerated TEPE* radicals effectively activate the near-infrared (NIR) photothermal conversion effect of MOFs. Under 1 W cm-2 808 nm laser irradiation, the surface temperatures of photoproducts 1* and 2* can reach ~160 ℃ and ~120 ℃, respectively, with competitive NIR photothermal conversion efficiencies η = 51.8% (1*) and 36.2% (2*). This work develops a feasible electrostatic compensation strategy to accurately introduce photoactive anionic guests into MOFs to construct multifunctional radical-induced photothermal conversion materials with tunable photoluminescence behavior | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a photochromism | |
| 650 | 4 | |a photoluminescence | |
| 650 | 4 | |a photothermal conversion | |
| 650 | 4 | |a silver(I) metal‒organic frameworks | |
| 700 | 1 | |a Li, Jia-Xin |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Jia-Chuan |e verfasserin |4 aut | |
| 700 | 1 | |a Xiong, Qi |e verfasserin |4 aut | |
| 700 | 1 | |a Ruan, Ze-Yu |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Tao |e verfasserin |4 aut | |
| 700 | 1 | |a Deng, Wei |e verfasserin |4 aut | |
| 700 | 1 | |a Jiang, Shang-Da |e verfasserin |4 aut | |
| 700 | 1 | |a Jia, Jian-Hua |e verfasserin |4 aut | |
| 700 | 1 | |a Tong, Ming-Liang |e verfasserin |4 aut | |
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