Competing excitation paths in luminescent heterobimetallic Ln-Al complexes: Unraveling interactions via experimental and theoretical investigations
Summary: The interest for heterometallic lanthanide-d or-p metal (Ln-M) complexes is growing because of a potential cooperative or synergistic effect related to the proximity of two different metals in the same molecular architecture affording special tunable physical properties. To exploit the pote...
| Main Authors: | , , , , , , , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2023-05-01
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| Series: | iScience |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2589004223006910 |
| _version_ | 1797842470222954496 |
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| author | Luca Bellucci Silvia Carlotto Gregorio Bottaro Luca Babetto Luca Labella Elisa Gallo Fabio Marchetti Simona Samaritani Lidia Armelao |
| author_facet | Luca Bellucci Silvia Carlotto Gregorio Bottaro Luca Babetto Luca Labella Elisa Gallo Fabio Marchetti Simona Samaritani Lidia Armelao |
| author_sort | Luca Bellucci |
| collection | DOAJ |
| description | Summary: The interest for heterometallic lanthanide-d or-p metal (Ln-M) complexes is growing because of a potential cooperative or synergistic effect related to the proximity of two different metals in the same molecular architecture affording special tunable physical properties. To exploit the potentiality of Ln-M complexes, suitable synthetic approaches, and the in-depth understanding of the effect of each building block on their properties are mandatory. Here, we report the study on a family of heterometallic luminescent complexes [Ln(hfac)3Al(L)3], Ln= Eu3+ and Tb3+. Using different L ligands, we investigated the effect of the steric and electronic properties of the Al(L)3 fragment, highlighting the general validity of the employed synthetic route. A marked difference in the light emission of [Eu(hfac)3Al(L)3] and [Tb(hfac)3Al(L)3] complexes has been observed. Thanks to photoluminescence experiments and Density Functional Theory calculations, Ln3+ emissions are explained with a model involving two non-interacting excitation paths through hfac or Al(L)3 ligands. |
| first_indexed | 2024-04-09T16:48:25Z |
| format | Article |
| id | doaj.art-d9dd09ca72d443ed8123a6949dc4d783 |
| institution | Directory Open Access Journal |
| issn | 2589-0042 |
| language | English |
| last_indexed | 2024-04-09T16:48:25Z |
| publishDate | 2023-05-01 |
| publisher | Elsevier |
| record_format | Article |
| series | iScience |
| spelling | doaj.art-d9dd09ca72d443ed8123a6949dc4d7832023-04-22T06:22:18ZengElsevieriScience2589-00422023-05-01265106614Competing excitation paths in luminescent heterobimetallic Ln-Al complexes: Unraveling interactions via experimental and theoretical investigationsLuca Bellucci0Silvia Carlotto1Gregorio Bottaro2Luca Babetto3Luca Labella4Elisa Gallo5Fabio Marchetti6Simona Samaritani7Lidia Armelao8CNR ICMATE and INSTM, Dipartimento di Scienze Chimiche, Università di Padova, via Marzolo 1, 35131 Padova, Italy; Dipartimento di Chimica e Chimica Industriale and CIRCC, Università di Pisa, via Giuseppe Moruzzi 13, 56124 Pisa, ItalyCNR ICMATE and INSTM, Dipartimento di Scienze Chimiche, Università di Padova, via Marzolo 1, 35131 Padova, Italy; Dipartimento di Scienze Chimiche and INSTM, Università di Padova, via Marzolo 1, 35131 Padova, ItalyCNR ICMATE and INSTM, Dipartimento di Scienze Chimiche, Università di Padova, via Marzolo 1, 35131 Padova, Italy; Corresponding authorDipartimento di Scienze Chimiche and INSTM, Università di Padova, via Marzolo 1, 35131 Padova, ItalyCNR ICMATE and INSTM, Dipartimento di Scienze Chimiche, Università di Padova, via Marzolo 1, 35131 Padova, Italy; Dipartimento di Chimica e Chimica Industriale and CIRCC, Università di Pisa, via Giuseppe Moruzzi 13, 56124 Pisa, Italy; Corresponding authorDipartimento di Chimica e Chimica Industriale and CIRCC, Università di Pisa, via Giuseppe Moruzzi 13, 56124 Pisa, ItalyDipartimento di Chimica e Chimica Industriale and CIRCC, Università di Pisa, via Giuseppe Moruzzi 13, 56124 Pisa, ItalyDipartimento di Chimica e Chimica Industriale and CIRCC, Università di Pisa, via Giuseppe Moruzzi 13, 56124 Pisa, ItalyDipartimento di Scienze Chimiche and INSTM, Università di Padova, via Marzolo 1, 35131 Padova, Italy; Dipartimento di Scienze Chimiche e Tecnologie dei Materiali (DSCTM) Consiglio Nazionale delle Ricerche Piazzale A. Moro 7, 00185 Roma, ItalySummary: The interest for heterometallic lanthanide-d or-p metal (Ln-M) complexes is growing because of a potential cooperative or synergistic effect related to the proximity of two different metals in the same molecular architecture affording special tunable physical properties. To exploit the potentiality of Ln-M complexes, suitable synthetic approaches, and the in-depth understanding of the effect of each building block on their properties are mandatory. Here, we report the study on a family of heterometallic luminescent complexes [Ln(hfac)3Al(L)3], Ln= Eu3+ and Tb3+. Using different L ligands, we investigated the effect of the steric and electronic properties of the Al(L)3 fragment, highlighting the general validity of the employed synthetic route. A marked difference in the light emission of [Eu(hfac)3Al(L)3] and [Tb(hfac)3Al(L)3] complexes has been observed. Thanks to photoluminescence experiments and Density Functional Theory calculations, Ln3+ emissions are explained with a model involving two non-interacting excitation paths through hfac or Al(L)3 ligands.http://www.sciencedirect.com/science/article/pii/S2589004223006910ChemistryInorganic chemistryComputational chemistry |
| spellingShingle | Luca Bellucci Silvia Carlotto Gregorio Bottaro Luca Babetto Luca Labella Elisa Gallo Fabio Marchetti Simona Samaritani Lidia Armelao Competing excitation paths in luminescent heterobimetallic Ln-Al complexes: Unraveling interactions via experimental and theoretical investigations iScience Chemistry Inorganic chemistry Computational chemistry |
| title | Competing excitation paths in luminescent heterobimetallic Ln-Al complexes: Unraveling interactions via experimental and theoretical investigations |
| title_full | Competing excitation paths in luminescent heterobimetallic Ln-Al complexes: Unraveling interactions via experimental and theoretical investigations |
| title_fullStr | Competing excitation paths in luminescent heterobimetallic Ln-Al complexes: Unraveling interactions via experimental and theoretical investigations |
| title_full_unstemmed | Competing excitation paths in luminescent heterobimetallic Ln-Al complexes: Unraveling interactions via experimental and theoretical investigations |
| title_short | Competing excitation paths in luminescent heterobimetallic Ln-Al complexes: Unraveling interactions via experimental and theoretical investigations |
| title_sort | competing excitation paths in luminescent heterobimetallic ln al complexes unraveling interactions via experimental and theoretical investigations |
| topic | Chemistry Inorganic chemistry Computational chemistry |
| url | http://www.sciencedirect.com/science/article/pii/S2589004223006910 |
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