Temperature Response of Rhodamine B-Doped Latex Particles. From Solution to Single Particles

Abstract : Nanoparticle-based temperature imaging is an emerging field of advanced applications. Herein, the sensitivity of the fluorescence of rhodamine B-doped latex nanoparticles toward temperature is described. Submicrometer size latex particles were prepared by a surfactant-free emulsion polymerization method that allowed a simple and inexpensive way to incorporate rhodamine B into the nanoparticles. Also, rhodamine B-coated latex nanoparticles dispersed in water were prepared in order to address the effect of the dye location in the nanoparticles on their temperature dependence. A better linearity of the temperature dependence emission of the rhodamine B-embedded latex particles, as compared to that of free rhodamine B dyes or rhodamine B-coated latex particles, is observed. Temperature-dependent fluorescence measurements by fluorescent confocal microscopy on individual rhodamine B-embedded latex particles were found similar to those obtained for fluorescent latex nanoparticles in solution, indicating that these nanoparticles could be good candidates to probe thermal processes as nanothermometers.
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Submitted on : Thursday, August 25, 2016 - 11:37:50 AM
Last modification on : Wednesday, April 24, 2019 - 5:08:07 PM




Antonin Soleilhac, Marion Girod, Philippe Dugourd, Béatrice Burdin, Julien Parvole, et al.. Temperature Response of Rhodamine B-Doped Latex Particles. From Solution to Single Particles. Langmuir, American Chemical Society, 2016, 32 (16), pp.4052-4058. ⟨10.1021/acs.langmuir.6b00647⟩. ⟨hal-01356205⟩



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