Temperature-dependent photoluminescence study of C60 and C70

Eun joo Shin; Jeunghee Park; Minyung Lee; Dongho Kim; Yung Doug Suh; Sung Ik Yang; Seung Min Jin; Seong Keun Kim

doi:10.1016/0009-2614(93)80112-3

Temperature-dependent photoluminescence study of C₆₀ and C₇₀

Eun joo Shin, Jeunghee Park, Minyung Lee, Dongho Kim, Yung Doug Suh, Sung Ik Yang, Seung Min Jin, Seong Keun Kim

Department of Chemistry

Research output: Contribution to journal › Article

46 Citations (Scopus)

Abstract

The photoluminescence (PL) spectra of C₆₀ and C₇₀ in toluene, as films on silicon and as KBr pellet, were obtained as a function of temperature. Different emission profiles are observed between the fullerenes in solution and in the solid form. The PL spectra of the C₆₀ solids are similar regardless of their substrates, while those of C₇₀ show different emission profiles between the films on silicon and the pellet, which is believed to be due to the substrate-dependent stacking disorder resulting from the nonspherical shape of the molecule. The changes in emission intensity and profile upon temperature are observed in the PL spectra of solid C₆₀ and C₇₀, suggesting the strong influence of rotational diffusion. The vibrational mode progressions are identified from the low-temperature photoluminescence spectra of C₆₀ and C₇₀.

Original language	English
Pages (from-to)	427-433
Number of pages	7
Journal	Chemical Physics Letters
Volume	209
Issue number	5-6
DOIs	https://doi.org/10.1016/0009-2614(93)80112-3
Publication status	Published - 1993 Jul 16

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)
Physical and Theoretical Chemistry

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Shin, E. J., Park, J., Lee, M., Kim, D., Doug Suh, Y., Ik Yang, S., Min Jin, S., & Keun Kim, S. (1993). Temperature-dependent photoluminescence study of C₆₀ and C₇₀. Chemical Physics Letters, 209(5-6), 427-433. https://doi.org/10.1016/0009-2614(93)80112-3

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title = "Temperature-dependent photoluminescence study of C60 and C70",

abstract = "The photoluminescence (PL) spectra of C60 and C70 in toluene, as films on silicon and as KBr pellet, were obtained as a function of temperature. Different emission profiles are observed between the fullerenes in solution and in the solid form. The PL spectra of the C60 solids are similar regardless of their substrates, while those of C70 show different emission profiles between the films on silicon and the pellet, which is believed to be due to the substrate-dependent stacking disorder resulting from the nonspherical shape of the molecule. The changes in emission intensity and profile upon temperature are observed in the PL spectra of solid C60 and C70, suggesting the strong influence of rotational diffusion. The vibrational mode progressions are identified from the low-temperature photoluminescence spectra of C60 and C70.",

author = "Shin, {Eun joo} and Jeunghee Park and Minyung Lee and Dongho Kim and {Doug Suh}, Yung and {Ik Yang}, Sung and {Min Jin}, Seung and {Keun Kim}, Seong",

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AU - Shin, Eun joo

AU - Park, Jeunghee

AU - Lee, Minyung

AU - Kim, Dongho

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AU - Ik Yang, Sung

AU - Min Jin, Seung

AU - Keun Kim, Seong

PY - 1993/7/16

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N2 - The photoluminescence (PL) spectra of C60 and C70 in toluene, as films on silicon and as KBr pellet, were obtained as a function of temperature. Different emission profiles are observed between the fullerenes in solution and in the solid form. The PL spectra of the C60 solids are similar regardless of their substrates, while those of C70 show different emission profiles between the films on silicon and the pellet, which is believed to be due to the substrate-dependent stacking disorder resulting from the nonspherical shape of the molecule. The changes in emission intensity and profile upon temperature are observed in the PL spectra of solid C60 and C70, suggesting the strong influence of rotational diffusion. The vibrational mode progressions are identified from the low-temperature photoluminescence spectra of C60 and C70.

AB - The photoluminescence (PL) spectra of C60 and C70 in toluene, as films on silicon and as KBr pellet, were obtained as a function of temperature. Different emission profiles are observed between the fullerenes in solution and in the solid form. The PL spectra of the C60 solids are similar regardless of their substrates, while those of C70 show different emission profiles between the films on silicon and the pellet, which is believed to be due to the substrate-dependent stacking disorder resulting from the nonspherical shape of the molecule. The changes in emission intensity and profile upon temperature are observed in the PL spectra of solid C60 and C70, suggesting the strong influence of rotational diffusion. The vibrational mode progressions are identified from the low-temperature photoluminescence spectra of C60 and C70.

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