采用脉冲激光方法制备了sp3/sp2不同比率的四面体非晶碳薄膜.利用拉曼光谱、紫外可见光谱等材料表征方法, 研究了脉冲激光能量对四面体非晶碳薄膜的微结构及血液相容性的影响.结果表明:脉冲激光能量显著影响四面体非晶碳薄膜中sp3/sp2的比率,调控单脉冲激光能量范围为150～250mJ,可使薄膜的光学带隙从1.41～2.44eV发生变化.血小板粘附实验和动态凝血实验表明制得的薄膜具有优良的血液相容性.分析了四面体非晶碳薄膜的抗凝血机理.
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