Color-tunable luminescent TbxEuy(BDC) complexes assembled within liposome-based nanoreactors
Abstract
Precise stoichiometric control in multimetallic lanthanide nanosystems is essential for optical devices, sensing, and bioimaging applications owing to their composition-dependent emission properties. However, controlling metal composition, spatial distribution, intermetallic energy transfer, and colloidal stability remains challenging. Here, we report a liposome-based nanoreactor platform that enables the in situ formation of multivariate TbxEuy-dicarboxylate complexes, enabling finely tuned lanthanide stoichiometry within attoliter-scale confined volumes. Liposomes pre-loaded with specific Tb3+:Eu3+ ratios are combined with a synthetic anion transporter that mediates dicarboxylate transport through lipid membranes, enabling controlled coordination reactions in aqueous solution. This method, coupled with the use of a blue-emissive ligand, supports continuous color tuning across the entire RGB spectrum. Real-time emission spectroscopy reveals faster photoluminescence appearance for Eu3+ than Tb3+, providing experimental insight into lanthanide reactivity under nanoscale confinement. These findings position liposome-based nanoreactors as a versatile platform for investigating coordination reactions and engineering multimetallic luminescent colloidal materials in aqueous media.
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BibTeX
@article{torreshuerta2026colortunable,
title = {{Color-tunable luminescent TbxEuy(BDC) complexes assembled within liposome-based nanoreactors}},
author = {Aaron Torres-Huerta and Miriam de J. Velásquez-Hernández and Sven Lempereur and Ludovic Troian-Gautier and Giulia Veronesi and Hennie Valkenier},
journal = {Cell Reports Physical Science},
year = {2026},
month = may,
doi = {10.1016/j.xcrp.2026.103312},
url = {https://hal.science/hal-05659419v1},
note = {CC BY 4.0},
}
RIS
TY - JOUR
TI - Color-tunable luminescent TbxEuy(BDC) complexes assembled within liposome-based nanoreactors
AU - Aaron Torres-Huerta
AU - Miriam de J. Velásquez-Hernández
AU - Sven Lempereur
AU - Ludovic Troian-Gautier
AU - Giulia Veronesi
AU - Hennie Valkenier
PY - 2026
DA - 2026/05/20
JO - Cell Reports Physical Science
DO - 10.1016/j.xcrp.2026.103312
UR - https://hal.science/hal-05659419v1
AB - Precise stoichiometric control in multimetallic lanthanide nanosystems is essential for optical devices, sensing, and bioimaging applications owing to their composition-dependent emission properties. However, controlling metal composition, spatial distribution, intermetallic energy transfer, and colloidal stability remains challenging. Here, we report a liposome-based nanoreactor platform that enables the in situ formation of multivariate TbxEuy-dicarboxylate complexes, enabling finely tuned lanthanide stoichiometry within attoliter-scale confined volumes. Liposomes pre-loaded with specific Tb3+:Eu3+ ratios are combined with a synthetic anion transporter that mediates dicarboxylate transport through lipid membranes, enabling controlled coordination reactions in aqueous solution. This method, coupled with the use of a blue-emissive ligand, supports continuous color tuning across the entire RGB spectrum. Real-time emission spectroscopy reveals faster photoluminescence appearance for Eu3+ than Tb3+, providing experimental insight into lanthanide reactivity under nanoscale confinement. These findings position liposome-based nanoreactors as a versatile platform for investigating coordination reactions and engineering multimetallic luminescent colloidal materials in aqueous media.
SN - 2666-3864
ER -