Thermoresponsive multicolor-emissive materials based on solid lipid nanoparticles

Jaume Ramon Otaegui, Daniel Ruiz-Molina, Loredana Latterini, Jordi Hernando, Claudio Roscini*

*Autor corresponent d’aquest treball

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23 Cites (Scopus)

Resum

Despite the recent advances in the field of thermofluorochromism, the fabrication of thermoresponsive multicolor-emissive materials in a simple, low-cost and versatile manner still remains a challenge. Herein we accomplish this goal by expanding the concept of matrix-induced thermofluorochromism, where a sudden two-state variation of dyes' emission is promoted by the solid-liquid transition of a surrounding phase change material (e.g., paraffins). We demonstrate that this behavior can be transferred to the nanoscale by the synthesis of dye-loaded solid lipid nanoparticles, different types of which can then be combined into a single platform to obtain multicolor thermofluorochromism using a single type of emitter. Because of the reduced dimensions of these particles, they can be utilized to prepare transparent nanocomposites and inkjet-printed patterns showing complex thermoresponsive luminescence signals and applications ranging from smart displays to thermal sensing and high-security anti-counterfeiting.

Idioma originalAnglès
Pàgines (de-a)3043-3054
Nombre de pàgines12
RevistaMaterials Horizons
Volum8
Número11
DOIs
Estat de la publicacióPublicada - de nov. 2021

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