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Influences of structural properties on stability of fullerenols
Xing GM(邢更妹); Zhang J(张静); Zhao YL(赵宇亮); Tang J(唐军); Zhang B(张博); Gao XF(高兴发); Yuan H(袁慧); Qu L(屈力); Cao WB(曹文彬); Chai ZF(柴之芳); Kui RX(奎热西); Su R(苏润); Xing, GM; Zhang, J; Zhao, YL; Tang, J; Zhang, B; Gao, XF; Yuan, H; Qu, L; Cao, WB; Chai, ZF; Ibrahim, K; Su, R
Corresponding AuthorChinese Acad Sci, Inst High Energy Phys, Lab Nanoscale Mat & Their Bioenvironm Hlth Sci, Beijing 100039, Peoples R China
AbstractInfluences of structural properties on the stability of fullerenols are studied using experimental techniques including laser-induced dissociation associated with a time-of-flight measurement, synchrotron radiation XPS, and FT-IR spectroscopy. Stabilities of a family of fullerenols (C(60)(OH)(42), C(60)(OH)(44), C(60)(OH)(30), C(60)(OH)(30), C(60)(OH)(32), and C(60)(OH)(36)) as functions of structural parameters-the hydroxyl number, intensity of the impure group, and the ratio of the carbonyl to hydroxyl groups-are investigated. It is found that the molecular stability largely depends on the quantity of impure groups, especially the highly oxygenated carbons in fullerenols, but less on the hydroxyl number. This is different from the previous consideration that the stability of fullerenols largely depends on the hydroxyl number. Previously, to gain the larger solubility required by practical applications, it was suggested to increase the number of the hydroxyl groups. This idea needs to be restudied, because in highly hydroxylated fullerenol molecules, the coinstantaneous formation of a large amount of impure groups is observed. The use of C(60)(OH)(n>36) in practical applications should proceed with caution, since these could lead to unstable open-cage structures. The results reveal a way of controlling the formation of impure groups to gain fullerenols of high stability.
Subject AreaChemistry
WOS Research AreaChemistry
WOS SubjectChemistry, Physical
WOS IDWOS:000223002400032
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Document Type期刊论文
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
Xing GM,Zhang J,Zhao YL,et al. Influences of structural properties on stability of fullerenols[J]. JOURNAL OF PHYSICAL CHEMISTRY B,2004,108(31):11473-11479.
APA 邢更妹.,张静.,赵宇亮.,唐军.,张博.,...&Su, R.(2004).Influences of structural properties on stability of fullerenols.JOURNAL OF PHYSICAL CHEMISTRY B,108(31),11473-11479.
MLA 邢更妹,et al."Influences of structural properties on stability of fullerenols".JOURNAL OF PHYSICAL CHEMISTRY B 108.31(2004):11473-11479.
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