2018-2019年，課題組圍繞柔性光電功能材料與器件開展研究工作，取得以下主要研究進展。
（1）基于“剛?cè)岵倍獏f(xié)同網(wǎng)絡結(jié)構(gòu)，發(fā)展了兼具可拉伸性、導電性、溫敏性的導電凝膠材料，突破了現(xiàn)有導電凝膠伸長率極限，實現(xiàn)了導電凝膠的超長拉伸性（1130%）和多功能性。
（2）在大分子交聯(lián)的凝膠網(wǎng)絡中引入離子液體構(gòu)筑離子液體凝膠，將離子液體凝膠的拉伸性提高到850%，實現(xiàn)了凝膠材料在寬溫度范圍內(nèi)（-18 oC-90 oC）的機械柔韌性和導電性。
（3）采用常見的高分子，如聚乙烯醇（PVA）、聚丙烯酸鈉（PAANa）為原料，通過簡單的凍融處理和Tb3+負載，構(gòu)筑了全物理交聯(lián)凝膠網(wǎng)絡，實現(xiàn)了兼具發(fā)光性、導電性、可回收性的多功能凝膠材料。
（4）通過在凝膠網(wǎng)絡中引入功能性高分子微球、有機納米增強相或功能性組分，構(gòu)筑了高強度復合凝膠、自愈合復合凝膠和可逆粘附凝膠等離子導電凝膠材料。
相關研究成果為改善柔性電子材料的可拉伸性，拓展柔性電子器件的功能及應用領域提供了理論依據(jù)和技術(shù)支撐。相關研究成果在ACS Applied Materials & Interfaces、Journal of Materials Chemistry C等期刊發(fā)表，得到國家自然科學基金、陜西省科技廳重大基礎研究計劃、陜西省自然科學基礎研究計劃面上項目的支持。來自十多個國家，高分子材料、柔性電子、聚合物電子等多個領域的院士、專家、學者在Chemical Society Reviews、Advanced Materials、Chem等國際頂級期刊對相關研究工作給予肯定并引用。
發(fā)表的主要研究論文：
[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.
專利申請：
[1] 周宏偉，賴佳亮，金洗郎，陳衛(wèi)星，具有可逆粘附和自愈合性能的抗凍有機-水凝膠制備方法，2020年4月，中國，CN202010279695.7；
[2] 周宏偉，杜浩田，金洗郎，陳衛(wèi)星，一種可降解、高導電MXene復合薄膜的靜電紡絲制備方法，2020年4月，中國，CN202010293189.3。
[3] 周宏偉，李秋曌，王志文，金洗郎，陳衛(wèi)星，一種基于導電高分子空心微球的多級結(jié)構(gòu)紙基柔性傳感器，2019年8月，中國，CN201910728986.7；
[4] 周宏偉，王志文，金洗郎，陳衛(wèi)星，一種自交聯(lián)導電聚合物微球復合水凝膠薄膜及其制備方法，2019年7月，中國，CN201910664837.9.
感謝各位的幫助和支持！
感謝國家自然科學青年基金（No. 51603164）、陜西省普通高校青年杰出人才計劃，陜西省科技廳重大基礎研究計劃（2017ZDJC-22）、陜西省自然科學基礎研究計劃（2019JM-124, 2016JQ5036）、陜西省高?？茀f(xié)青年人才托舉計劃項目（No. 20170706）對本工作的資助。