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课题组2018-2019年研究进展

2018-2019年,课题组围绕柔性光电功能材料与器件开展研究工作,取得以下主要研究进展。

(1)基于“刚柔并济”二元协同网络结构,发展了兼具可拉伸性、导电性、温敏性的导电凝胶材料,突破了现有导电凝胶伸长率极限,实现了导电凝胶的超长拉伸性(1130%)和多功能性。

(2)在大分子交联的凝胶网络中引入离子液体构筑离子液体凝胶,将离子液体凝胶的拉伸性提高到850%,实现了凝胶材料在宽温度范围内(-18 oC-90 oC)的机械柔韧性和导电性。

(3)采用常见的高分子,如聚乙烯醇(PVA)、聚丙烯酸钠(PAANa)为原料,通过简单的冻融处理和Tb3+负载,构筑了全物理交联凝胶网络,实现了兼具发光性、导电性、可回收性的多功能凝胶材料。

(4)凝胶、自愈合复合凝胶和可逆粘附凝胶等离子导电凝胶材料。

相关研究成果为改善柔性电子材料的可拉伸性,拓展柔性电子器件的功能及应用领域提供了理论依据和技术支撑。相关研究成果在ACS Applied Materials & Interfaces、Journal of Materials Chemistry C等期刊发表,得到国家自然科学基金、陕西省科技厅重大基础研究计划、陕西省自然科学基础研究计划面上项目的支持。来自十多个国家,高分子材料、柔性电子、聚合物电子等多个领域的院士、专家、学者在Chemical Society Reviews、Advanced Materials、Chem等国际顶级期刊对相关研究工作给予肯定并引用。

发表的主要论文:

[1] Zhiwen Wang, Hongwei Zhou,* Weixing Chen, Qiuzhao Li, Bo Yan, Xilang Jin,* Aijie Ma, Hanbin Liu,* and Weifeng Zhao, Dually Synergetic Network Hydrogels with Integrated Mechanical Stretchability,Thermal Responsiveness and Electrical Conductivity for Strain Sensors and Temperature Alertors, ACS Applied Materials & Interfaces 2018, 10, 14045-14054.

[2] Jialiang Lai, Hongwei Zhou,* Zhaoyang Jin, Shuangli Li, Hanbin Liu, Xilang Jin,* Chunyan Luo, Aijie Ma, and Weixing Chen, Highly Stretchable, Fatigue-Resistant, Electrically Conductive, and Temperature-Tolerant Ionogels for High-Performance Flexible Sensors, ACS Applied Materials & Interfaces 2019, 11, 26412-26420.

[3] Zhiwen Wang, Hongwei Zhou,* Jialiang Lai, Bo Yan, Hanbin Liu, Xilang Jin,* Aijie Ma, Gai Zhang, Weifeng Zhao, Weixing Chen,* Extremely stretchable and electrically conductive hydrogels with dually synergistic networks for wearable strain sensors, Journal of Materials Chemistry C, 2018, 6, 9200-9207.

[4] Jialiang Lai, Hongwei Zhou,* Mingcheng Wang, Yaokun Chen, Zhaoyang Jin, Shuangli Li, Jingjing Yang, Xilang Jin,* Hanbin Liu,* Weifeng Zhao, Recyclable, stretchable and conductive double network hydrogels towards flexible strain sensors, Journal of Materials Chemistry C 2018, 6, 13316-13324.

[5] Weixing Chen, Zhiwen Wang, Qiuzhao Li, Xilang Jin, Hanbin Liu,* Hongwei Zhou,* Hollow Polyaniline Microsphere Functionalized Paper with Multimodal Sensitivity to Strain, Humidity, and Pressure, ACS Applied Electronic Materials 2020, 2, 247-253.

[6] Hongwei Zhou, Mingsen Chen, Yuanli Liu,* and Si Wu,* Stimuli-Responsive Ruthenium-Containing Polymers, Macromolecular Rapid Communications 2018, 39,1800372.

[7] Hongwei Zhou,* Bo Yan, Jialiang Lai, Hanbin Liu, Aijie Ma, Weixing Chen,Xilang Jin,* Weifeng Zhao, Gai Zhang, Renewable Biomass Derived Hierarchically Porous

Carbonaceous Sponges and Their Magnetic Nanocomposites for Removal of Organic Molecules from Water, Journal of Industrial and Engineering Chemistry 2018, 58, 334-342.

[8] Hongwei Zhou,* Shuangli Li, Hanbin Liu, Bohui Zheng, Xilang Jin,* Aijie Ma, and Weixing Chen. High-Performance Flexible Sensors of Self-Healing, Reversibly Adhesive, and Stretchable Hydrogels for Monitoring Large and Subtle Strains. Macromolecular Materials and Engineering 2020, 305, 1900621.

[9] Hongwei Zhou,* Zhaoyang Jin, Ying Yuan, Gai Zhang, Weifeng Zhao, Xilang Jin,* Aijie Ma, Hanbin Liu,* Weixing Chen, Self-repairing flexible strain sensors based on nanocomposite hydrogels for whole-body monitoring, Colloids and Surfaces A 2020, 592, 124587.

[10] Hongwei Zhou,* Mingcheng Wang, Weifeng Zhao, Lin Chen, Hanbin Liu, Xilang Jin,* Aijie Ma, Gai Zhang, Danlie Jiang, and Weixing Chen, Supramolecularly Mediated Robust, Anti-Fatigue, and Strain-Sensitive Macromolecular Microsphere Composite Hydrogels, Macromolecular Materials & Engineering 2020, DOI: 10.1002/mame.202000080.

感谢各位的帮助和支持!

感谢国家自然科学青年基金(No. 51603164)、陕西省普通高校青年杰出人才计划,陕西省科技厅重大基础研究计划(2017ZDJC-22)、陕西省自然科学基础研究计划(2019JM-124,

2016JQ5036)、陕西省高校科协青年人才托举计划项目(No. 20170706)对本工作的资助。


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