Application of electrospray ionization to the observation of higher fullerene anions | Zendy

Fujimaki Susumu | Zendy; Kudaka Ichiro | Zendy; Sato Tetsuya | Zendy; Hiraoka Kenzo | Zendy; Shinohara Hisanori | Zendy; Saito Yahachi | Zendy; Nojima Kazutetsu | Zendy

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Application of electrospray ionization to the observation of higher fullerene anions

Author(s) -

Fujimaki Susumu,

Kudaka Ichiro,

Sato Tetsuya,

Hiraoka Kenzo,

Shinohara Hisanori,

Saito Yahachi,

Nojima Kazutetsu

Publication year - 1993

Publication title -

rapid communications in mass spectrometry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.528

H-Index - 136

eISSN - 1097-0231

pISSN - 0951-4198

DOI - 10.1002/rcm.1290071204

Subject(s) - chemistry , fullerene , electrospray ionization , electrospray , mass spectrometry , ion , fullerene chemistry , ionization , analytical chemistry (journal) , extractive electrospray ionization , dimethoxyethane , chromatography , organic chemistry , sample preparation in mass spectrometry , electrode , electrolyte

Negative‐ion electrospray mass spectrcmetry for the detection of higher fullerene anions is discussed. The fullerenes were reduced in dimethoxyethane/aromatic solvent using NaK amalgam and analyzed by electrospray ionization mass spectrometry using a double‐focusing mass spectrometer. All the C n −ions ( n = 2 k , and k is an integer) could be detected up to n = 102 except for 60 < n < 70 and n = 72. The detection efficiency of C 76 is found to be considerably lower than that for C 78 , probably because the C 76 −ion reacts further in solution and is converted to undetectable reaction products. In addition to the fullerene anions, large peaks due to methoxy‐substituted fullerene anions, C n (OCH 3 ) m − , are observed. The intensities of these ions grow with time.

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