钕掺杂ZnO薄膜的制备及抗凝血性能研究

doi:10.3724/SP.J.1077.2011.00993

无机材料学报 ›› 2011, Vol. 26 ›› Issue (9): 993-997.DOI: 10.3724/SP.J.1077.2011.00993

钕掺杂ZnO薄膜的制备及抗凝血性能研究

黄展云, 罗平, 陈弟虎

(中山大学物理科学与工程技术学院光电材料与技术国家重点实验室, 广州 510275)

收稿日期:2010-11-02 修回日期:2010-12-15 出版日期:2011-09-20 网络出版日期:2011-08-19
作者简介:黄展云(1983-), 女, 博士研究生. E-mail: hzhany@mail2.sysu.edu.cn
基金资助:
国家自然科学基金(81071264, 30770588); 广东省自然科学基金(C010515)

Preparation and Hemocompatibility of Neodymium Incorporated Zinc Oxide Thin Films

HUANG Zhan-Yun, LUO Ping, CHEN Di-Hu

(State Key Laboratory of Optoelectronic Materials and Technologies, Sun Yat-Sen University, Guangzhou 510275, China)

Received:2010-11-02 Revised:2010-12-15 Published:2011-09-20 Online:2011-08-19
Supported by:
National Natural Science Foundation of China (81071264, 30770588); Natural Science Foundation of Guangdong Province (C010515)

摘要/Abstract

摘要： 采用射频磁控溅射方法在硅(100)衬底上制备了不同含量元素钕(Nd)掺杂的氧化锌薄膜. XRD分析表明, 所有ZnO薄膜都具有c轴择优取向. 随着Nd掺杂量的增加, (002)衍射峰的强度减弱, 颗粒的尺寸变小. 紫外－可见光谱分析表明, 所有薄膜在可见光区的透过率超过85%, 随着Nd掺杂量的增加, 光学带隙从3.30 eV增加到3.40 eV. 用XPS对薄膜的表面化学态进行表征, Nd元素在ZnO薄膜表面以Nd³⁺离子态存在. 用接触角测试薄膜表面的浸润性, 并计算其表面能. 用血小板粘附实验研究不同含量Nd掺杂ZnO薄膜的血液相容性, 其结果表明稀土钕掺杂后血小板的粘附数量和形变都较少, 稀土掺杂和疏水性的提高是改善氧化锌薄膜抗凝血性能的主要原因.

关键词: 氧化锌, 钕, 光电子能谱, 血液相容性

Abstract: Zinc oxide thin films doped with different neodymium (Nd) contents (1at%, 2at% and 3at%) were grown on Si (100) substrates by radio frequency magnetron sputtering. X-ray diffraction (XRD) patterns show that all of the ZnO thin films have highly preferred growth along c-axis direction. The intensity of (002) diffraction peaks weakens and the gain size decreases with the increasing of Nd dopants. The optical transmittance of all the films exceeds 85% in the visible light region, and the optical band gap increases from 3.30 eV to 3.40 eV with the increasing of the Nd dopants. The surface chemical state of ZnO thin films is examined by X-ray photoelectron spectroscope (XPS), confirming that Nd element exists as Nd³⁺ in the films. Contact angle test is also employed to analyze the effect of Nd dopant on the wettability and surface energy. The platelets adhesion experiment shows that fewer platelets adhere and deform on ZnO and Nd doped ZnO thin films. Nd element and hydrophobility surface are the main factors leading to the better blood compatibility of ZnO thin films.

Key words: zinc oxide, neodymium, X-ray photoelectron spectroscope, hemocompatibility

中图分类号:

R318

黄展云, 罗平, 陈弟虎. 钕掺杂ZnO薄膜的制备及抗凝血性能研究[J]. 无机材料学报, 2011, 26(9): 993-997.

HUANG Zhan-Yun, LUO Ping, CHEN Di-Hu. Preparation and Hemocompatibility of Neodymium Incorporated Zinc Oxide Thin Films[J]. Journal of Inorganic Materials, 2011, 26(9): 993-997.

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钕掺杂ZnO薄膜的制备及抗凝血性能研究

Preparation and Hemocompatibility of Neodymium Incorporated Zinc Oxide Thin Films

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