[1]刘毅,林晓东,张磊,等.类金刚石薄膜制备及其结构和抗凝血研究[J].深圳大学学报理工版,2008,25(3):287-292.
 LIU Yi,LIN Xiao-dong,ZHANG Lei,et al.Study on preparation,structures and anticoagulation properties of diamond-like carbon films[J].Journal of Shenzhen University Science and Engineering,2008,25(3):287-292.
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类金刚石薄膜制备及其结构和抗凝血研究()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第25卷
期数:
2008年3期
页码:
287-292
栏目:
材料科学
出版日期:
2008-07-31

文章信息/Info

Title:
Study on preparation,structures and anticoagulation properties of diamond-like carbon films
文章编号:
1000-2618(2008)03-0287-06
作者:
刘毅1林晓东1张磊1张麟2陈弟虎2潘仕荣3
1)深圳大学物理科学与技术学院,深圳 518060
2)中山大学理工学院,广州 510275;
3)中山大学第一附属医院人工心脏研究室,广州 510275
Author(s):
LIU Yi1LIN Xiao-dong1ZHANG Lei1ZHANG Lin2CHEN Di-hu2and PAN Shi-rong3
1)College of Physics Science and Technology,Shenzhen University,Shenzhen 518060,P.R.China
2)School of Physics and Engineering,Sun Yat-Sen University,Guangzhou 510275,P.R.China
3)Artificial Heart Lab,The 1st Affiliate Hospital of Sun Yat-Sen University,Guangzhou 510080,P.R.China
关键词:
类金刚石薄膜脉冲激光沉积生物材料生物相容性拉曼光谱
Keywords:
diamond like carbon films pulse laser deposition biomaterials biocompatibility Raman spectroscopy
分类号:
TB 43;R 318
文献标志码:
A
摘要:
采用240 nm KrF脉冲激光沉积方法,在Si(100)衬底上制备类金刚石薄膜,利用椭圆偏振光谱和拉曼光谱研究薄膜键结构及光学性质,用血小板黏附实验研究薄膜的抗凝血性能及脉冲重复频率影响.结果表明,脉冲激光沉积制备的类金刚石薄膜sp3 C含量高,且抗凝血性能佳,脉冲重复频率增大使入射碳离子能量增加,薄膜的sp3键成分先升后降,在脉冲重复频率为50 Hz时达到最大值;类金刚石薄膜的sp3键成分影响其抗凝血性能,sp3键成分越高,其抗凝血性能越好.
Abstract:
Diamond-like carbon (DLC) films on Si (100) substrates were prepared by a 240 nm KrF pulse laser. Studies were made of the effects of the pulse repetition rate (PRR) on the film microstructures, optical and anticoagulation properties by spectroscopic ellipsometry, Raman spectroscopy and platelet adhesion test, respectively. The results show that our DLC samples have high Sp3 C contents and good anticoagulation. The Sp3 C contents and the anticoagulation of the films are affected by the PRR due to the different energies of incident carbon ions. The Sp3 C contents of the films generally increase with the PRR, reaching maximum values at the rate of 50 Hz and then decrease. Moreover, DLC films with higher Sp3 C contents have better anticoagulation.

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备注/Memo

备注/Memo:
收稿日期:2007-11-14;修回日期:2008-05-14
基金项目:国家自然科学基金资助项目(30370410);深圳大学科研启动基金资助项目(200533)
作者简介:刘毅(1975-),女(汉族),湖南省岳阳市人,深圳大学讲师、博士.E-mail:liuy@szu.edu.cn
通讯作者:林晓东(1964-),男(汉族),深圳大学教授、博士生导师.E-mail:linxd@szu.edu.cn
更新日期/Last Update: 2008-08-12