| 氯羟磷灰石中羟基的FTIR研究 |
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| 引用本文： | 许涛,刘羽,黄志良.氯羟磷灰石中羟基的FTIR研究[J].岩石矿物学杂志,2007,26(4):371-374. |
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| 作者姓名： | 许涛 刘羽 黄志良 |
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| 作者单位： | 武汉工程大学,材料科学与工程学院,湖北,武汉,430073 |
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| 摘 要： | 通过固相法合成了一系列氯羟磷灰石(ClHAp)固溶体,经FTIR表征发现,纯羟基磷灰石(HAp)的羟基振动频率为3572cm-1和632cm-1。当Cl-进入HAp晶体结构后,在3494cm-1和673cm-1处各出现新的吸收谱带,说明在其通道结构中形成Cl…HO]氢键,导致羟基的伸缩振动向低频偏移,弯曲振动向高频偏移。与氟羟磷灰石的FTIR谱比较可知:ClHAp的羟基振动谱带的位置与数量主要受氢键和周围结构环境变化程度影响。
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| 关 键 词： | 氯羟磷灰石 氢键 通道离子 |
| 文章编号： | 1000-6524（2007）04-0371-04 |
| 修稿时间： | 2006-10-09 |
A FTIR spectroscopic study of hydroxyl in chlorinated hydroxyapatite solid solutions |
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| XU Tao,LIU Yu and HUANG Zhi-liang.A FTIR spectroscopic study of hydroxyl in chlorinated hydroxyapatite solid solutions[J].Acta Petrologica Et Mineralogica,2007,26(4):371-374. |
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| Authors: | XU Tao LIU Yu and HUANG Zhi-liang |
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| Institution: | School of Material Science and Engineering, Wuhan Institute of Technology, Wuhan 430073, China |
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| Abstract: | A series of chlorinated hydroxyapatite(ClHAp)solid solutions composed of hydroxyapatite and chlorapatite were synthesized by the solid reaction method and were investigated using FTIR spectroscopy.In the experiment,vibration frequency of the hydroxyl group appeared at 3?572 and 632 cm-1 in pure hydroxyapatite(HAp).When Cl-ions entered the crystal structure of HAp,a new absorption band was observed at 3?494 and 673 cm-1 respectively.These phenomena indicated that the hydrogen-bond forming in the channel structure made the stretching band shift towards a lower frequency and also resulted in the flexual band shift towards a higher frequency.A comparison with the FTIR spectra of fluoridated hydroxyapatite showed that the location and amount of vibration bands of the hydroxyl group in ClHAp were mainly affected by the hydrogen-bond and its surrounding structural variation. |
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| Keywords: | FTIR |
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