| TiN纳米管的制备及其作为SERS基底的应用 | |
| Fabrication of Titanium Nitride Nanotube Array as SERS Substrates | |
| 摘要: 采用阳极氧化法在钛片表面制备TiO2纳米管阵列，并经氨气氮化得到TiN纳米管阵列，通过XRD、SEM、XPS、UV-Vis对基底的组成、形貌和光学性能进行了表征，并以罗丹明6G（R6G）为探针分子，对TiN基底的SERS活性进行检测。结果显示，TiO2纳米管经800℃以上高温可转化为TiN纳米管，纳米管直径在100~200 nm，排列规整有序。氮化后的样品在500~600 nm处出现TiN的等离子体共振吸收峰，该基底显示出较高的SERS活性，对R6G分子的检测极限可达~10-7 mol·L-1，增强因子达~105。 | |
| 关键词: 氮化钛 二氧化钛纳米管阵列 表面增强拉曼散射 | |
| 基金项目: 中央高校基本科研业务费专项基金资助项目。 | |
| Abstract: TiN nanotube arrays (NTAs) was prepared by calcining the anodized TiO2 NTAs in NH3 atmosphere at elevated temperatures, which were used as surface-enhanced Raman scattering (SERS) substrates. The composition, morphology and optical property of the TiN NTAs were characterized by XRD, SEM, UV-Vis and XPS. SERS activity of the TiN NTAs substrates was evaluated using rhodamine 6G (R6G) as probe molecules. The results showed that TiN NTAs were obtained at nitridation temperatures above 800℃, and the nanotubes exhibit ordered tubular structure with pore diameters of 100~200 nm. The UV-Vis spectra exhibited plasmon resonance peaks of TiN NTAs in the wavelength range of 500~600 nm. The TiN NTAs substrates provided superior SERS sensitivity towards R6G, with a detection limit of ~10-7 mol·L-1 and the enhancement factor of ~105. | |
| Keywords: TiN TiO2 nanotube arrays surface-enhanced Raman scattering | |
| 投稿时间：2018-03-21 修订日期：2018-05-17 | |
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| 胥岩,姚爱华,姜文奇,王德平.TiN纳米管的制备及其作为SERS基底的应用[J].无机化学学报,2018,34(7):1392-1398. | |
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