| 张振业,杨敏,马娟娟,刘霖,童志伟,王大洋.功能化层状复合材料的制备及其电催化性能[J].装备环境工程,2016,13(6):23-27. 张振业,杨敏,马娟娟,刘霖,童志伟,王大洋.Preparation and electrocatalytic properties of functional layered composite materials[J].Equipment Environmental Engineering,2016,13(6):23-27. |
| 功能化层状复合材料的制备及其电催化性能 |
| Preparation and electrocatalytic properties of functional layered composite materials |
| 投稿时间：2016-10-06 修订日期：2016-10-27 |
| DOI：10.7643/ issn.1672-9242.2016.06.005 |
| 中文关键词: 功能化离子液体 静电自组装 层状复合材料 电催化 |
| 英文关键词:functionalized ionic liquid electrostatic self-assembly deposition layered composite materials electrocatalytic |
| 基金项目:1 江苏高校自然科学研究项目 (No.12KJD150001) 2 淮海工学院自然科学研究项目（No.Z2015011） |
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| 中文摘要: |
| 目标 制备一种新型功能化离子液体修饰层状复合材料，研究其对L-酪氨酸（L-Tyr）
的电催化氧化行为。方法 通过静电自组装方式将氮氧自由基功能化离子液体（TEMPO-IL）与钙铌酸钾（KCa2Nb3O10）进行复合，并运用XRD、FTIR、SEM、HRTEM等测试手段对所作材料的微观形貌和结构进行分析表征。另外，将其作为电极修饰剂修饰于电极表面通过电化学工作站测试其电化学性质。结果 该修饰电极对于电催化氧化L-Tyr有着较高的电化学活性；同时实验还表明，当L-Tyr的浓度在1×10-4 mol/L ~ 1.16×10-2 mol/L之间时，峰电流值与 L-Tyr 浓度呈良好的线性相关，检测下限为 6.2×10-5 mol/L (信噪比为 3 )。结论 静电自组装是一种能够快捷、高效的制备层状复合材料方法，且得到的复合材料显示出在生物传感器方面的应用前景。 |
| 英文摘要: |
| Objective Attempt to prepare a novel functional ionic liquid modified layered composite materials, and study its electrocatalytic oxidation behavior of L-Tyrosine．Method The direct assembly of TEMPO (2,2,6,6-tetramethylpiperidyl-1-oxy)-IL with KCa2Nb3O10 was fabricated by electrostatic self-assembly deposition (ESD) method The obtained hybrid was characterized by means of various techniques including XRD, FTIR, SEM and HRTEM. The resulting layered composite materials was also immobilized on a glass carbon electrode and the electrochemical performance of the modified electrode was measured by electrochemical work station．Results The composite materials showed excellent electrochemical activity for oxidation of L-tyrosine，while it is also found that Ipa is linearly proportional to cL-tyr over the range from 1×10-4 mol/L to 1.16×10-2 mol/L and the detection limit for L-tyrosine is 6.2×10-5 mol/L (S/N = 3 ). Conclusion ESD is a fast and efficient method for the preparation of layered composite materials, the resulting materials show the potential to apply as electrochemical L-tyrosine sensor. |
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