التفاصيل البيبلوغرافية
| العنوان: |
Metal ion-manipulated afterglow on rhodamine 6G derivative-doped room-temperature phosphorescent PVA films |
| المؤلفون: |
Margarita Claudya Maida, Natsumi Sugawara, Airi Suzuki, Masato Ito, Yuji Kubo |
| المصدر: |
Frontiers in Chemistry, Vol 12 (2024) |
| بيانات النشر: |
Frontiers Media S.A., 2024. |
| سنة النشر: |
2024 |
| المجموعة: |
LCC:Chemistry |
| مصطلحات موضوعية: |
room-temperature phosphorescence, tunable afterglow, Poly(vinyl alcohol), boronic acid, reversible metal-ligand coordination, Chemistry, QD1-999 |
| الوصف: |
The long-lived room-temperature phosphorescence (RTP) originating from thiophene boronate polyvinyl alcohol (PVA) has enabled the creation of metal-ion-responsive RTP films doped with spirolactam ring-containing rhodamine 6G (1). In this study, RTP-active PVA films, namely, TDB@PVA and ATB@PVA, were prepared through boronate esterification of thiophene-2,5-diboronic acid (TDB) and 5-acetylthiophene-2-boronic acid (ATB) with the diol units of PVA. The delayed emission properties were evaluated, revealing an emission band at 477 nm with a turquoise afterglow for TDB@PVA and at 510 nm with a green afterglow for ATB@PVA after UV light irradiation ceased. The photophysical properties were assessed using TD-DFT and DFT calculations at the B3LYP/cc-pVDZ level. N-(rhodamine-6G)lactam dye with a salicylimine unit (1) was doped into the RTP-based PVA films, producing a multicolored afterglow upon the addition of metal ions. This phenomenon is explained by a triplet-to-singlet Förster-type resonance energy transfer process from the cross-linked thiophene boronate in PVA to the metal-ion-activated colored form of 1. This photophysical feature finds applicability in encryption techniques. Notably, the reversible metal-ligand coordination of 1 in the PVA system enabled a write/erase information process. |
| نوع الوثيقة: |
article |
| وصف الملف: |
electronic resource |
| اللغة: |
English |
| تدمد: |
2296-2646 |
| Relation: |
https://www.frontiersin.org/articles/10.3389/fchem.2024.1441452/full; https://doaj.org/toc/2296-2646 |
| DOI: |
10.3389/fchem.2024.1441452 |
| URL الوصول: |
https://doaj.org/article/a79041f7afaf430d87b902d3a34ec271 |
| رقم الانضمام: |
edsdoj.79041f7afaf430d87b902d3a34ec271 |
| قاعدة البيانات: |
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