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- W3037617079 abstract "Recently, there is incredible growth on optoelectronic properties of new supramolecular gels and white-light-emitting (WLE) metalo-organic gel comprised with single lanthanide metal ion having stimuli-responsive property is not yet reported. Here, we report a mandelic acid (MA)-triethylene tetraamine (TETA)-Eu-acetate conjugate (4.5:1:0.4 mol ratio), producing stimuli-sensitive WLE hydrogel exhibiting thermoreversible, thixotropic, pH-switchable, self-standing and self-healing properties. Energy minimized structure suggests complexation between MA-TETA conjugate and Eu3+ ion. Fluorescence intensity of MA–TETA conjugate decreases with increasing Eu3+ concentration indicating energy transfer from MA-TETA to Eu3+. Decay of donor fluorescence intensity follows Stern-Volmer equation and energy transfer efficiency is 42%. WLE gel has Quantum yield 11.4% and Förster distance 1.7 Å. Hydrogel and xerogel show WLE on excitation at 330 and 350 nm having CIE coordinates (0.34, 0.33) and (0.28, 0.32), respectively. WLE gel has Correlated colour temperature 5148 K, appropriate for cool day light emission and on coating over UV-LED bulb it emits bright white light." @default.
- W3037617079 created "2020-07-02" @default.
- W3037617079 creator A5007786081 @default.
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- W3037617079 creator A5028146236 @default.
- W3037617079 creator A5067548748 @default.
- W3037617079 creator A5069403812 @default.
- W3037617079 date "2020-11-01" @default.
- W3037617079 modified "2023-10-16" @default.
- W3037617079 title "A robust stimuli responsive Eu3+ – Metalo organic hydrogel and xerogel emitting white light" @default.
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- W3037617079 doi "https://doi.org/10.1016/j.jcis.2020.06.078" @default.
- W3037617079 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/32623119" @default.
- W3037617079 hasPublicationYear "2020" @default.
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