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OTS功能化鈦表面電化學(xué)可控沉積納米鈣磷涂層的研究
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廣東工業(yè)大學(xué),廣東工業(yè)大學(xué),華南理工大學(xué),廣東工業(yè)大學(xué),廣東工業(yè)大學(xué),華南理工大學(xué),廣東工業(yè)大學(xué),廣東工業(yè)大學(xué)

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中圖分類(lèi)號(hào):

TB331

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國(guó)家重點(diǎn)基礎(chǔ)研究發(fā)展計(jì)劃（973計(jì)劃）;國(guó)家自然科學(xué)基金項(xiàng)目（面上項(xiàng)目，重點(diǎn)項(xiàng)目，重大項(xiàng)目）


Tunable Preparation of CaP Coatings on OTS Functionalized Titanium Surface by Electrochemical Deposition
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Guangdong University of Technology,Guangdong University of Technology,South China University of Technology,Guangdong University of Technology,Guangdong University of Technology,South China University of Technology,Guangdong University of Technology,Guangdong University of Technology

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    摘要:

    利用自組裝技術(shù)在材料表面接枝十八烷基三氯硅烷（OTS）膜，并進(jìn)行紫外光照，改變材料表面疏水性質(zhì)，探討不同電化學(xué)沉積條件對(duì)鈣磷涂層微觀形貌及結(jié)構(gòu)的影響。電化學(xué)方法可使鈣磷涂層在紫外輻射下的OTS功能化鈦表面可控沉積。通過(guò)X射線(xiàn)衍射儀（XRD）、場(chǎng)發(fā)射掃描電鏡（FE-SEM）、透射電子顯微鏡（TEM）對(duì)鈣磷涂層進(jìn)行了表征，利用Scherrer公式對(duì)不同沉積條件下鈣磷晶粒尺寸進(jìn)行了探討。結(jié)果表明不同參數(shù)條件下鈣磷涂層的微觀形貌有差別，且其晶粒大小不一，尺寸范圍在12.46nm到190.1nm之間。研究表明OTS功能化鈦表面能夠可控地制備均勻有序鈣磷涂層，有望能提高植入材料的生物相容性。

    Abstract:

    Octadecyltrichlorosilane (OTS) was grafted on titanium using self-assembly technique, after UV irradiation, its hydrophobic nature was changing. The calcium phosphate coatings was tunablely prepared by electrochemical deposition on functionalized titanium surface with different experiment conditions. The correlative structure and morphology of CaP coatings on titanium were characterized by X-ray diffractometer (XRD), field emission scanning electron microscope (FE-SEM) and transmission electron microscope (TEM) under the preparation parameters. Its grain size under different conditions was calculated by Scherrer formula. The results indicated that the morphology of CaP coatings under different conditions were significant difference, and the grain sizes were ranged 12.46nm from 190.1nm. The study demonstrated that OTS functionalized titanium surface could be a controllable preparation of uniform and orderly nano CaP coatings, which is expected to improve the biocompatibility of implant materials.

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王航,譚幗馨,寧成云,譚英,周蕾,廖景文,陳偉杰,歐陽(yáng)孔友. OTS功能化鈦表面電化學(xué)可控沉積納米鈣磷涂層的研究[J].稀有金屬材料與工程,2016,45(2):507~514.[wanghang, tanguoxin, ningchengyun, tanying, zhoulei, liaojingwen, chenweijie, ouyangkongyou. Tunable Preparation of CaP Coatings on OTS Functionalized Titanium Surface by Electrochemical Deposition[J]. Rare Metal Materials and Engineering,2016,45(2):507~514.]
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  • 收稿日期:2014-03-28
  • 最后修改日期:2014-09-10
  • 錄用日期:2014-10-30
  • 在線(xiàn)發(fā)布日期: 2016-07-19
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