Electron spin resonance study of the radical reactivity of C60

Krusic, Paul J.; Wasserman, E.; Parkinson, B. A.; Malone, Brian S.; Holler, Edward R.; Keizer, P. N.; Morton, J. R.; Preston, K. F.

doi:10.1021/ja00016a056

Cited by 276 publications

(145 citation statements)

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“…60 G (see Figure 17). 53,106,116,117,123,125,132,146,179,[183][184][185][343][344][345][346][347][348][349] The most extensive investigations have been made by Eaton and co-workers, and the following general features have been identified. 338 Below about 80 K, there is no longer a substantial temperature dependence.…”

Section: Temperature Dependence Of the Line Width (∆H Pp )mentioning

confidence: 99%

Discrete Fulleride Anions and Fullerenium Cations

2000

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His research interests include reactive cation and superacid chemistry with inert carborane counterions, ionic liquids, bioinorganic chemistry, spin-coupling phenomena, fullerene chemistry, and new carbon-or porphyrin-based materials. He is a Sloan Fellow, a Dreyfus Teacher−Scholar Awardee, and a Guggenheim Fellow. Robert Bolskar received his B.S. degree in Chemistry from Carroll College in Waukesha, WI, in 1992. He earned his Ph.D. degree at the University of Southern California in Los Angeles under the direction of Christopher Reed in 1997, investigating the synthetic redox chemistry of fullerene anions and cations. In 1998 he moved to the University of California, Riverside, as Managing Research Associate. He is currently Senior Chemist at TDA Research in Wheat Ridge, CO. His research interests include the chemistry and physics of fullerene compounds, supramolecular chemistry, strongly oxidizing systems, and electrophilic cations.

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Section: Temperature Dependence Of the Line Width (∆H Pp )mentioning

confidence: 99%

Discrete Fulleride Anions and Fullerenium Cations

2000

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“…[1][2][3][4][5][6] Some radicals such as methyl, benzyl, and tert-butoxyl radicals are reported to undergo multiple additions to C 60 . [1][2][3][4] For example, up to 34 methyl radicals and up to 15 benzyl radicals can add to C 60 . 1,2 Recently the high reactivity of C 60 toward radicals has been applied to radical polymerizations in order to prepare copolymers of C 60 and such vinyl monomers as styrene (St), methyl methacrylate (MMA), and 2-cyanoethyl acrylate.…”

Section: Introductionmentioning

confidence: 99%

“…[1][2][3][4] For example, up to 34 methyl radicals and up to 15 benzyl radicals can add to C 60 . 1,2 Recently the high reactivity of C 60 toward radicals has been applied to radical polymerizations in order to prepare copolymers of C 60 and such vinyl monomers as styrene (St), methyl methacrylate (MMA), and 2-cyanoethyl acrylate. [7][8][9][10][11][12][13][14][15] However, there are few kinetic studies on the effect of C 60 on radical polymerization except for short communications on the polymerizations of St 10,15 and MMA.…”

Section: Introductionmentioning

confidence: 99%

Kinetic and ESR studies on radical polymerization of methyl methacrylate in the presence of fullerene

Seno

Fukunaga

Sato

1998

J. Polym. Sci. A Polym. Chem.

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“…On the basis of the results presented by Kukolich et al [2] and other reports on EPR investigation of fullerenes [1][2][3][4][5] we can reasonably assume the presence of three essentially different paramagnetic centers in fullerenes:…”

Section: Discussion Of the Resultsmentioning

confidence: 61%

“…So far, literature reports have concerned large concentrations of alkali metal fullerites Mex C60 where x = 2, 3, 4, 5 [1][2][3][4][5]. This paper presents the results of EPR investigation of C60 spectra and conclusions connected with the process of charge transfer from the alkali metal to the fullerene ball in samples of small concentration of admixtured metal Me = K or Rb.…”

Section: Anion Radicals (C60)y-with Valence Y Occur As Complexes M Ementioning

confidence: 92%

Free Radicals in K and Rb Admixtured Fullerene C₆₀

et al. 1993

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Molecules of C60 form Van der Waals type crystals. The observations reported here concern EPR investigations of such C60 samples with only a slight amount of Rb or K. Detected defects are (C60)+ or (C60 ) ion-radicals. A hole (h) or trapped electron (t) are localized on one fullerene ball. In the case of potassium fullerites C60:K the line shape of EPR signal was of the Dysonian form which is characteristic of conducting electrons in metal. The EPR lines of holes (C60)+ are characterized by gh ≥ g0 whereas for electrons g, is below the value g0 = 2.0023 characteristic of a free electron (gt ≤ g0). The EPR linewidth 2ΔBh1s of the (C60)+ weakly increased with decreasing temperature whereas the EPR linewidth attributed to the electron 2ΔBt1s significantly decreases with decreasing temperature. The C60 :K sample reached superconducting phase below T^ = 11 K which is significantly less than T, = 16.5 K observed for K C60 where 2 ≤ x ≤ 4.

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Electron spin resonance study of the radical reactivity of C60

Cited by 276 publications

References 0 publications

Discrete Fulleride Anions and Fullerenium Cations

Discrete Fulleride Anions and Fullerenium Cations

Kinetic and ESR studies on radical polymerization of methyl methacrylate in the presence of fullerene

Free Radicals in K and Rb Admixtured Fullerene C₆₀

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Electron spin resonance study of the radical reactivity of C60

Cited by 276 publications

References 0 publications

Discrete Fulleride Anions and Fullerenium Cations

Discrete Fulleride Anions and Fullerenium Cations

Kinetic and ESR studies on radical polymerization of methyl methacrylate in the presence of fullerene

Free Radicals in K and Rb Admixtured Fullerene C60

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Free Radicals in K and Rb Admixtured Fullerene C₆₀