| 二步电沉积法制备Au/氧化石墨烯复合薄膜作为SERS基底 |
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| 引用本文： | 徐玲,姚爱华,胥岩,王德平.二步电沉积法制备Au/氧化石墨烯复合薄膜作为SERS基底[J].无机化学学报,2013,29(18). |
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| 作者姓名： | 徐玲 姚爱华 胥岩 王德平 |
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| 作者单位： | 同济大学材料科学与工程学院, 上海 200092,同济大学先进土木工程材料教育部重点实验室, 上海 200092;同济大学材料科学与工程学院, 上海 200092,同济大学材料科学与工程学院, 上海 200092,同济大学先进土木工程材料教育部重点实验室, 上海 200092;同济大学材料科学与工程学院, 上海 200092 |
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| 基金项目： | 上海市自然科学基金（No.13ZR1444200）及中央高校基本科研业务费专项基金资助项目。 |
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| 摘 要： | 采用二步电沉积方法在Ti片表面制备了Au-氧化石墨烯（Au-GO）复合薄膜，通过XRD、SEM、XPS等对薄膜的组成、结构和形貌进行了表征，并以罗丹明6G（R6G）为探针分子，对Au-GO/Ti基底的SERS活性进行了表征。结果显示，Au纳米颗粒尺寸约为60 nm，均匀、致密分布于GO表面，该基底显示出较高的SERS活性，对R6G分子的检测极限可达~10-10 mol·L-1，增强因子高达约106，且基底显示出良好的稳定性，在冰箱中存放90 d后，SERS活性仅降低30%左右。
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| 关 键 词： | 金 氧化石墨烯 表面增强拉曼散射 复合薄膜 |
| 收稿时间： | 2016/6/19 0:00:00 |
| 修稿时间： | 2016/9/30 0:00:00 |
Two-Step Electrodeposition Process for Fabrication of Au-Graphene Oxide Hybrid Films as SERS Substrates |
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| XU Ling,YAO Ai-Hu,XU Yan and WANG De-Ping.Two-Step Electrodeposition Process for Fabrication of Au-Graphene Oxide Hybrid Films as SERS Substrates[J].Chinese Journal of Inorganic Chemistry,2013,29(18). |
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| Authors: | XU Ling YAO Ai-Hu XU Yan and WANG De-Ping |
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| Institution: | School of Materials Science and Engineering, Tongji University, Shanghai 200092, China,Key Laboratory of Advanced Civil Engineering Materials, Ministry of Education, Tongji University, Shanghai 200092, China;School of Materials Science and Engineering, Tongji University, Shanghai 200092, China,School of Materials Science and Engineering, Tongji University, Shanghai 200092, China and Key Laboratory of Advanced Civil Engineering Materials, Ministry of Education, Tongji University, Shanghai 200092, China;School of Materials Science and Engineering, Tongji University, Shanghai 200092, China |
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| Abstract: | Two-step electrodeposition process was developed to prepare Au nanoparticle-graphene oxide (Au-GO) hybrid film as large-area surface-enhanced Raman scattering (SERS) substrates. The composition, microstructure and morphology of the resultant hybrid film were characterized by XRD, SEM and XPS. Meanwhile, SERS activity of the Au-GO/Ti substrates was also evaluated using rhodamine 6G (R6G) as probe molecules. The results showed that Au nanoparticles with an average size of~60 nm were uniformly deposited on the surface of GO. The substrates exhibited strong and uniform SERS response toward R6G with a detection limit of ~10-10 mol·L-1 and an enhancement factor of ~106. Furthermore, the Raman signal intensity of R6G only decreased to approximately 30% of its initial value after 90 days of storage, indicating the Au-GO/Ti substrate is highly stable and produces reliable SERS measurements |
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| Keywords: | Au graphene oxide surface-enhanced Raman scattering hybrid film |
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