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钛及钛合金表面纳米管的生物功能化研究进展 被引量:5
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作者 吴琰 赵昱颉 李岩 《表面技术》 EI CAS CSCD 北大核心 2020年第7期1-8,34,共9页
钛及钛合金因为其良好的生物相容性和力学性能,作为生物医用材料得到广泛使用。通过表面处理后,可以在钛金属基体表面获得氧化钛纳米管阵列。氧化钛纳米管阵列的管径和长度尺寸可控,通常具有大表面积、强吸附性和超亲水性,可以提高钛及... 钛及钛合金因为其良好的生物相容性和力学性能,作为生物医用材料得到广泛使用。通过表面处理后,可以在钛金属基体表面获得氧化钛纳米管阵列。氧化钛纳米管阵列的管径和长度尺寸可控,通常具有大表面积、强吸附性和超亲水性,可以提高钛及钛合金基体的生物相容性和耐腐蚀性能,为进一步赋予其更多的生物功能性奠定了基础。对钛及钛合金表面纳米管再次表面改性后,可使其具有更好的促进骨整合、抗菌消炎、药物响应可控释放、生物荧光成像等功能,在生物医学领域应用潜力巨大。介绍了钛及钛合金表面纳米管的制备方法,分析了氧化钛纳米管阵列的生物学特性,探讨了纳米管的物理特征对细胞行为的影响,对二次表面改性(包括碱处理、水热处理、电化学沉积、溶胶-凝胶法)影响氧化钛纳米管生物功能性的研究进展进行了综合评述,总结了氧化钛纳米管作为药物载体在药物缓释、响应性释放和疾病检测等生物功能化方面的进展情况,提出了对氧化钛纳米管生物功能化研究的一些问题,并展望了其未来发展方向。 展开更多
关键词 钛及钛合金 纳米管 生物功能化 生物相容性 表面改性 药物载体
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Recent advancements in metal organic framework based electrodes for supercapacitors 被引量:8
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作者 赵昱颉 刘金章 +3 位作者 Michael Horn Nunzio Motta 胡明俊 李岩 《Science China Materials》 SCIE EI CSCD 2018年第2期159-184,共26页
Metal organic frameworks(MOFs) are considered as very promising candidates to build electrodes for electrochemical energy storage devices such as lithium ion batteries, fuel cells and supercapacitors, due to their d... Metal organic frameworks(MOFs) are considered as very promising candidates to build electrodes for electrochemical energy storage devices such as lithium ion batteries, fuel cells and supercapacitors, due to their diverse structure, adjustable aperture, large specific surface area and abundant active sites. Supercapacitor has been widely investigated in the past decades. Of critical importance in these devices is the electrode active materials, and this application has been intensively studied with the development of novel nanomaterials. In this review we summarize recent reports on MO Fs as electrode materials for super capacitors. Specifically,the synthesis of MOF materials for super capacitor electrodes and their performance in electrochemical energy storage are discussed. We aim to include supercapacitor electrode materials related to MOFs, such as carbon, metal and composite materials. It is proposed that MOFs play an important role in the development of a new generation of supercapacitor electrode materials. Finally, we discuss the current challenges in the field of supercapacitors, with a view towards how to address these challenges with the future development of MOFs and their derivatives. 展开更多
关键词 metal organic frameworks (MOFs) ELECTROCHEMISTRY SUPERCAPACITORS ELECTRODE DERIVATIVE
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