APPLICATION OF ELECTROSPRAY-IONIZATION TO THE OBSERVATION OF HIGHER FULLERENE ANIONS

被引：26

作者：

FUJIMAKI, S

KUDAKA, I

SATO, T

HIRAOKA, K

SHINOHARA, H

SAITO, Y

NOJIMA, K

机构：

[1] YAMANASHI UNIV,FAC ENGN,TAKEDA 4,KOFU,YAMANASHI 400,JAPAN

[2] MIE UNIV,DEPT CHEM MAT,TSU,MIE 514,JAPAN

[3] JEOL LTD,TOKYO 196,JAPAN

来源：

RAPID COMMUNICATIONS IN MASS SPECTROMETRY | 1993年 / 7卷 / 12期

关键词：

D O I：

10.1002/rcm.1290071204

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

Negative-ion electrospray mass spectrometry 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 = 2k, and k is an integer) could be detected up to n = 102 except for 60 < n < 70 and n = 72. The detection efficiency Of C76 is found to be considerably lower than that for C78, probably because the C76- 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)(OCH3)m-, are observed. The intensities of these ions grow with time.

引用

页码：1077 / 1081

页数：5

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