Geodesic
Thermal-lens spectrometer for studying thermophysical properties of fullerenes
Nanosistemy: fizika, himiâ, matematika, Tome 9 (2018) no. 1, pp. 14-16

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A thermal-lens spectrometer implementing back-synchronized detection technique with a mode-mismatched optical scheme was constructed. Steady-state and transient signals of thermal-lens spectrometry are used to characterize concentration parameters of aqueous fullerene dispersions (AFDs) at the level of 10$^{-7}$ – 10$^{-5}$ M and to assess thermophysical properties of AFDs. The detection limits of fullerenes in AFDs are 100 nM for C$_{60}$, 80 nM for C$_{70}$ and C$_{78}$ – C$_{88}$, and 60 nM for Y@C$_{82}$, which are 20-fold lower than for spectrophotometry. Suitable precision of measurements of thermal diffusivity and thermal effusivity for AFDs is shown.
Keywords: thermal-lens spectrometry, pristine fullerenes, thermal diffusivity.
Mots-clés : aqueous fullerene dispersions 
@article{NANO_2018_9_1_a0,
     author = {I. V. Mikheev and L. O. Usoltseva and D. A. Ivshukov and D. S. Volkov and M. V. Korobov and M. A. Proskurnin},
     title = {Thermal-lens spectrometer for studying thermophysical properties of fullerenes},
     journal = {Nanosistemy: fizika, himi\^a, matematika},
     pages = {14--16},
     publisher = {mathdoc},
     volume = {9},
     number = {1},
     year = {2018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/NANO_2018_9_1_a0/}
}
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%A D. S. Volkov
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I. V. Mikheev; L. O. Usoltseva; D. A. Ivshukov; D. S. Volkov; M. V. Korobov; M. A. Proskurnin. Thermal-lens spectrometer for studying thermophysical properties of fullerenes. Nanosistemy: fizika, himiâ, matematika, Tome 9 (2018) no. 1, pp. 14-16. http://geodesic.mathdoc.fr/item/NANO_2018_9_1_a0/