新型<strong>Ru(Ⅱ)</strong>配合物的合成及其自组装膜的光电性能

doi:10.11901/1005.3093.2018.724

材料研究学报

2019, Vol. 33

Issue (8): 614-620 DOI: 10.11901/1005.3093.2018.724

研究论文

本期目录 | 过刊浏览

新型Ru(Ⅱ)配合物的合成及其自组装膜的光电性能

杨丽^1,^2,³,唐志远^1,^2,³,李腾腾^1,^2,³,段琪伟^1,^2,³,胡佳丽^1,^2,³,张素芳^1,^2,³,郑照强^1,^2,³(

)

1. 江西省环保材料与装备工程技术研究中心萍乡 337055
2. 江西省工业陶瓷重点实验室萍乡 337055
3. 萍乡学院材料与化学工程学院萍乡 337055

Preparation and Photovoltaic Performance of Novel Ruthenium Complex and Its Self-assembly Membrane

Li YANG^1,^2,³,Zhiyuan TANG^1,^2,³,Tengteng LI^1,^2,³,Qiwei DUAN^1,^2,³,Jiali HU^1,^2,³,Sufang ZHANG^1,^2,³,Zhaoqiang ZHENG^1,^2,³(

)

1. Engineering & Technology Research Center for Environmental Protection Materials and Equipment of Jiangxi Province, Pingxiang 337055, China
2. Key Laboratory for Industrial Ceramics of Jiangxi Province, School of Materials and Chemistry Engineering, Pingxiang University, Pingxiang 337055, China
3. School of Materials and Chemistry Engineering, Pingxiang University, Pingxiang 337055, China

引用本文:

杨丽,唐志远,李腾腾,段琪伟,胡佳丽,张素芳,郑照强. 新型Ru(Ⅱ)配合物的合成及其自组装膜的光电性能[J]. 材料研究学报, 2019, 33(8): 614-620.
Li YANG, Zhiyuan TANG, Tengteng LI, Qiwei DUAN, Jiali HU, Sufang ZHANG, Zhaoqiang ZHENG. Preparation and Photovoltaic Performance of Novel Ruthenium Complex and Its Self-assembly Membrane[J]. Chinese Journal of Materials Research, 2019, 33(8): 614-620.

全文: PDF(2330 KB) HTML

摘要:

合成了含芘基的新型钌(Ⅱ)配合物Ru-1，用¹H-NMR和MS表征了这种配合物的分子结构。TG-DSC测试结果表明，Ru-1在一个较宽的温度范围内具有良好的热稳定性。在HOPG、石墨烯基电极表面组装了钌配合物分子膜，并对其进行了AFM、电化学及紫外可见吸收光谱等光电化学分析。结果表明，自组装膜的生长是均匀的，膜材料具有可逆的氧化还原过程，在0.47 V出现可逆的氧化还原峰。紫外可见吸收光谱表明，这种膜材料在较宽的紫外可见区表现出强且宽的吸收峰。钌配合物对石墨烯、HOPG炭素电极的修饰，使这类炭素电极具有良好的光电性能和稳定性。

关键词 ：无机非金属材料, 钌配合物, 自组装, 炭素材料

Abstract：

A novel symmetrical ruthenium complex (Ru-1) bearing pyrene groups was synthesized, and its molecular structure and purity were characterized by ¹H-NMR and ESI-MS. The ruthenium complex delivered ideal stability and performance over a wider range of temperature (below 400°C), which suggests that the stability of this material can satisfy the requirement of dye-sensitized solar cell. Thin films of Ru-1 complex can be prepared onto both graphene- and HOPG-electrode surface via self-assembly process, then their surface morphology and photoelectricity property were examined by means of AFM, Cyclic voltammetry and UV-vis spectroscopy. The results show that the growth of the film was uniform. A couple of sensitive and reversible redox peaks were acquired from the cyclic voltammograms of Ru-1 modified carbon electrodes, the Ru (II/III) oxidative peak was observed at 0.47 V. Uv-vis absorption spectra show that the membrane materials have intense and wide absorption peaks in a wider range, which is favorable for capture sunlight at longer wavelength. In sum, a carbon electrode of excellent photoelectric properties and stability can be obtained by modifying both graphene and HOPG electrodes with Ru-1complex.

Key words： inorganic nonmetallic materials Ruthenium complex self-assembled carbonaceous material

收稿日期: 2018-12-23

ZTFLH:

V254

基金资助:国家科技重大专项(No. SQ2016ZY01003836);国家自然科学基金(No. 21767023);江西省教育厅科学技术研究项目(Nos. GJJ151258);江西省教育厅科学技术研究项目(Nos. GJJ151260)

作者简介: 杨丽，女，1988年生，博士，讲师

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链接本文:

https://www.cjmr.org/CN/10.11901/1005.3093.2018.724 或 https://www.cjmr.org/CN/Y2019/V33/I8/614

图1 Ru-1的合成路线

图2 Ru-1的TG-DSC曲线

图3 Ru-1的结构、自主装模型和自组装膜的AFM图

图4 不同组装时间的Ru-1单分子膜的紫外可见吸收光谱

图5 不同组装时间下Ru-1单分子膜修饰的HOPG电极的循环伏安曲线和HOPG电极表面覆盖度与组装时间的关系

图6 不同电位扫描速度条件下Ru-1修饰的石墨烯基电极的循环伏安曲线和石墨烯基电极表面的扫描速度与电流关系

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