Collisional fragmentation of Ar@C60

C. Brink; P. Hvelplund; H. Shen; H. A. Jiménez-Vázquez; R. J. Cross; M. Saunders

doi:10.1016/S0009-2614(98)00089-X

Collisional fragmentation of Ar@C₆₀

C. Brink, P. Hvelplund, H. Shen, H. A. Jiménez-Vázquez, R. J. Cross, M. Saunders

Research output: Contribution to journal › Article › peer-review

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Abstract

The fragmentation patterns resulting from collisions between (Ar@C₆₀)⁺ or (Ar@C₆₀)^- ions and H₂, He, CH₄, Ne, Ar and Kr target gases have been measured. The ion-source material Ar@C₆₀ was synthesized by heating C₆₀ under 3000 atm of argon gas, leading to a 10^-3 concentration of endohedral fullerenes. The fragmentation spectra (charged molecules only) are dominated by positive ions both when positive or negative endohedrals break up. Endohedral fragment ions Ar@C_n⁺ (48≤n≤60) as well as all carbon fragments are observed. For collisions involving (Ar@C₆₀)^-, ejection of the Ar atom together with two electrons, without permanently damaging the fullerene cage, is a prominent reaction channel, indicating that a 'window' or a deformation in the form of e.g. a large hole, through which the argon atoms can exit, is opened during the collision.

Original language	English
Pages (from-to)	28-34
Number of pages	7
Journal	Chemical Physics Letters
Volume	286
Issue number	1-2
DOIs	https://doi.org/10.1016/S0009-2614(98)00089-X
State	Published - 3 Apr 1998
Externally published	Yes

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title = "Collisional fragmentation of Ar@C60",

abstract = "The fragmentation patterns resulting from collisions between (Ar@C60)+ or (Ar@C60)- ions and H2, He, CH4, Ne, Ar and Kr target gases have been measured. The ion-source material Ar@C60 was synthesized by heating C60 under 3000 atm of argon gas, leading to a 10-3 concentration of endohedral fullerenes. The fragmentation spectra (charged molecules only) are dominated by positive ions both when positive or negative endohedrals break up. Endohedral fragment ions Ar@Cn+ (48≤n≤60) as well as all carbon fragments are observed. For collisions involving (Ar@C60)-, ejection of the Ar atom together with two electrons, without permanently damaging the fullerene cage, is a prominent reaction channel, indicating that a 'window' or a deformation in the form of e.g. a large hole, through which the argon atoms can exit, is opened during the collision.",

author = "C. Brink and P. Hvelplund and H. Shen and Jim{\'e}nez-V{\'a}zquez, {H. A.} and Cross, {R. J.} and M. Saunders",

note = "Funding Information: This work is part of the research program at the Aarhus Center for Advanced Physics (ACAP) funded by the Danish National Research Foundation.",

year = "1998",

month = apr,

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doi = "10.1016/S0009-2614(98)00089-X",

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T1 - Collisional fragmentation of Ar@C60

AU - Brink, C.

AU - Hvelplund, P.

AU - Shen, H.

AU - Jiménez-Vázquez, H. A.

AU - Cross, R. J.

AU - Saunders, M.

N1 - Funding Information: This work is part of the research program at the Aarhus Center for Advanced Physics (ACAP) funded by the Danish National Research Foundation.

PY - 1998/4/3

Y1 - 1998/4/3

N2 - The fragmentation patterns resulting from collisions between (Ar@C60)+ or (Ar@C60)- ions and H2, He, CH4, Ne, Ar and Kr target gases have been measured. The ion-source material Ar@C60 was synthesized by heating C60 under 3000 atm of argon gas, leading to a 10-3 concentration of endohedral fullerenes. The fragmentation spectra (charged molecules only) are dominated by positive ions both when positive or negative endohedrals break up. Endohedral fragment ions Ar@Cn+ (48≤n≤60) as well as all carbon fragments are observed. For collisions involving (Ar@C60)-, ejection of the Ar atom together with two electrons, without permanently damaging the fullerene cage, is a prominent reaction channel, indicating that a 'window' or a deformation in the form of e.g. a large hole, through which the argon atoms can exit, is opened during the collision.

AB - The fragmentation patterns resulting from collisions between (Ar@C60)+ or (Ar@C60)- ions and H2, He, CH4, Ne, Ar and Kr target gases have been measured. The ion-source material Ar@C60 was synthesized by heating C60 under 3000 atm of argon gas, leading to a 10-3 concentration of endohedral fullerenes. The fragmentation spectra (charged molecules only) are dominated by positive ions both when positive or negative endohedrals break up. Endohedral fragment ions Ar@Cn+ (48≤n≤60) as well as all carbon fragments are observed. For collisions involving (Ar@C60)-, ejection of the Ar atom together with two electrons, without permanently damaging the fullerene cage, is a prominent reaction channel, indicating that a 'window' or a deformation in the form of e.g. a large hole, through which the argon atoms can exit, is opened during the collision.

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U2 - 10.1016/S0009-2614(98)00089-X

DO - 10.1016/S0009-2614(98)00089-X

M3 - Artículo

SN - 0009-2614

VL - 286

SP - 28

EP - 34

JO - Chemical Physics Letters

JF - Chemical Physics Letters

IS - 1-2

ER -

Collisional fragmentation of Ar@C₆₀

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