Electrochemistry of the C60H2 fullerene

Combustion Synthesis and Electrochemical Properties of the Small Hydrofullerene C50H10

“…[22b] In the present case, the first reduction potential of C 50 H 10 [23,24] indicating a higher LUMO for C 50 H 10 . Considering that the HOMO-LUMO gap of C 50 H 10 was calculated to be 2.53 eV, [11b] the HOMO and LUMO of C 50 H 10 can be speculated to be À5.90 and À3.37 eV, respectively.…”

“…Such a potential difference shown, for example, in Figure 9 b obviously contradicts the previously reported data involving fullerene cages. [15,[22][23][24] It has been well demonstrated that the electrochemical reduction of a closed-cage fullerene species such as C 60 or C 70 displays a separation of % 450 AE 50 mV between two successive redox peaks. [15,[22][23][24] Interestingly, the six redox pairs can be classified into two groups with a potential difference of % 400 mV, i.e., the larger peaks of II, IV, and VI, and the smaller peaks of I, III, and V, as shown in the OSWV (e.g., the inset of Figure 9 b).…”

“…[15,[22][23][24] It has been well demonstrated that the electrochemical reduction of a closed-cage fullerene species such as C 60 or C 70 displays a separation of % 450 AE 50 mV between two successive redox peaks. [15,[22][23][24] Interestingly, the six redox pairs can be classified into two groups with a potential difference of % 400 mV, i.e., the larger peaks of II, IV, and VI, and the smaller peaks of I, III, and V, as shown in the OSWV (e.g., the inset of Figure 9 b). Accordingly, it is reasonable to assume that the former group with the larger peaks originates from the successive reactions of C 50 H 10 , and the other group with the smaller peaks is relevant to the low content of other C 50 species (e.g., the C 50 H 10 oxides produced in the toluene solution, as identified in the Supporting Information.…”

Solid State Physicochemical Properties and Applications of Organic and Metallo- Organic Fullerene Derivatives

“…Fulleranes of varying stoichiometries can be obtained via different methods: bombardment with atomic hydrogen [228], Birch reduction [229], zinc acid reduction [230], hydrogen atom transfer from 9,10-dihydroanthracene [231], or direct solid phase hydrogenation at elevated temperatures and pressures for extended periods of time (>400 °C and >100 bar of H 2 ) [232]. Dehydrogenation by annealing the pure C 60 fulleranes material to extract back molecular H 2 gas is not commercially viable: a major drawback of fulleranes as hydrogen storage materials is the high temperature (>500 °C) required for hydrogen desorption, which is due to the molecular stability enhancement with increasing degree of hydrogenation.…”

The Synthesis and Characterization of Fullerene Hydrides

“…Electrochemical reduction has been reported by several groups. [48Ϫ50] Meier and co-workers found that C 60 is a product of cyclic voltammetry of the dihydride in benzonitrile solution; [48] Boulas and co-workers observed the same in 80:20 toluene/DMF. [49] C 60 H 2 therefore undergoes a net oxidation under ''reducing'' conditions.…”