| 金表面有机膦酸锆多层膜在不同支持电解质溶液中的稳定性(英文) | |
| Stability of Zirconium Alkylbisphosphonate Multilayers on Gold Surfaces in Various Supporting Electrolyte Solutions | |
| 摘要: | |
| 关键词: 有机膦酸锆 多层膜 稳定性 磷酸盐缓冲溶液 金电极 | |
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| Abstract: Zirconium 1,4-butylenediphosphonate[Zr(BDPA)] multilayers on a 3-mercaptopropylphosphonate-coated gold electrode were prepared by the conventional layer-by-layer method. The stability of the Zr(BDPA) multilayers in different supporting electrolyte solutions was studied by cyclic voltammetry(CV) and X-ray photoelectron spectroscopy(XPS) measurements. The results show that the Zr(BDPA) multilayers are very stable in 0.2 mol·L-1 KCl, 0.2 mol·L-1 KNO3 and low concentration phosphate buffer solution(PBS) with low pH values(c≤0.05 mol·L-1, pH≤6.8). While in high concentration 0.2 mol·L-1 PBS(pH=5.2～7.4), the Zr(BDPA) multilayers will be partially desorbed within two days, possibly due to the formation of more stable zirconium phosphate. | |
| Keywords: zirconium alkylbisphosphonate multilayers films stability phosphate buffer solution gold electrode | |
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| 陈 煜,郭礼荣,康 希,刘训高,郑丽敏,夏兴华.金表面有机膦酸锆多层膜在不同支持电解质溶液中的稳定性(英文)[J].无机化学学报,2008,24(12):2065-2070. | |
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