李永舫科研成就科研综述李永舫主要从事聚合物太阳能电池光伏材料和器件以及导电聚合物电化学等方面的研究，提出通过共轭支链来拓展聚合物共轭程度、从而拓宽其吸收光谱的分子设计思想；通过使用富电子的茚双加成提高了C60的LUMO能级，使用茚双加成富勒烯衍生物（ICBA）新型受体光伏材料创造了基于P3HT光伏器件效率的新记录

此外，在吡咯电化学聚合反应机理和聚合反应动力学、导电聚吡咯的两种氧化掺杂结构和电化学氧化还原反应机理，无机半导体纳米晶的溶液法制备及其在有机/无机杂化光电子器件方面的应用等方面也取得了一系列具有重要影响的研究成果 

学术论著根据2021年5月苏州大学材料与化学化工学部网站显示，李永舫先后发表研究论文500多篇，发表论文已被SCI他人引用17000余次，H—因子67 

2013年和2014年分别入选汤森路透发布的全球Hottest Scientific Researchers 21人名单和Highly cited researchers材料科学领域147人名单    

Jing-De Chen,† Chaohua Cui,† Yan-Qing Li,* Lei Zhou, Qing-Dong Ou, Chi Li, Yongfang Li,* and Jian-Xin Tang*, “Single-junction polymer solar cells exceeding 10% power conversion efficiency”, Adv. Mater., 2015, 27, 1035–1041.Chaohua Cui,Wai-Yeung Wong* and Yongfang Li*, “Improvement of Open-Circuit Voltage and Photovoltaic Properties of 2D-Conjugated Polymers by Alkylthio Substitution”, Energy Environ. Sci. 2014, 7, 2276-2284.Zhan’ao Tan*, Shusheng Li, Fuzhi Wang, Deping Qian, Jun Lin, Jianhui Hou, and Yongfang Li*, High performance polymer solar cells with as-prepared zirconium acetylacetonate film as cathode buffer layer, Scientific Report., 2014, 4, 4691.Shusheng Li, Ming Lei*, Menglan Lv, Scott E. Watkins, Zhan’ao Tan*, Jin Zhu, Jianhui Hou, Xiwen Chen* and Yongfang Li*, “[6,6]-Phenyl-C61- Butyric Acid Dimethylamino Ester as Cathode Buffer Layer for High Performance Polymer Solar Cells”, Adv. Energy Mater. 2013, 3, 1569–1574.Yongfang Li, “Molecular Design of Photovoltaic Materials for Polymer Solar Cells: Towards Suitable Electronic Energy Levels and Broad Absorption”, Acc. Chem. Res.2012, 45, 723–733.Zhan’ao Tan*, Wenqing Zhang, Ye Huang, Zhiguo Zhang, Deping Qian, Jianhui Hou*, Yongfang Li*, “High performance inverted polymer solar cells with solution-processed titanium chelate as electron-collecting layer on ITO electrode”, Adv. Mater.2012, 24, 1476-1481.Ye Huang, Xia Guo, Feng Liu, Lijun Huo, Yuning Chen, Thomas P. Russell*, Charles C. Han, Yongfang Li*, Jianhui Hou*, “Improving the ordering and photovoltaic properties by extending the π–conjugated area of electron-donating units in polymers with D-A structure”, Adv. Mater.2012,24, 3383–3389.Xia Guo, Chaohua Cui, Maojie Zhang, Lijun Huo, Ye Huang, Jianhui Hou*, Yongfang Li*, “High efficiency polymer solar cells based on poly(3-hexylthiophene)/indene-C70 bisadduct with solution additive”, Energy Environ. Sci.2012, 5, 7943-7949.Lijun Huo, Shaoqing Zhang, Xia Guo, Feng Xu,Yongfang Li,* Jianhui Hou*, “Replacement of Alkoxy with Alkylthienyl: A Feasible Approach to Improve Photovoltaic Properties of PBDTTT-based Polymers”, Angew. Chem. Int. Ed., 2011, 50, 9697-9702.Youjun He, Hsiang-Yu Chen, Jianhui Hou*, Yongfang Li*，”Indene-C60 bisadduct: a new acceptor for high performance polymer solar cells”, J. Am. Chem. Soc., 2010, 132, 1377-1382.Yen-Ju Cheng*, Chao-Hsiang Hsieh, Youjun He, Chain-Shu Hsu*, Yongfang Li*,” Combination of indene-C60 bis-adduct and cross-linked fullerence interlayer leading to highly efficient inverted polymer solar cells”, J. Am. Chem. Soc. 2010, 132, 17381–17383.Guangjin Zhao, Youjun He, Yongfang Li*, “6.5% Efficiency of the polymer solar cells based on poly(3-hexylthiophene) and indene-C60 bisadduct by device optimization”, Adv. Mater. , 2010, 22, 4355-4358.Youjun He, Guangjin Zhao, Bo Peng, Yongfang Li*，“High yield synthesis, electrochemical and photovoltaic properties of indene-C70 bisadduct”，Adv. Funct. Mater., 2010,20, 3383-3389.Yongfang Li*, Yingping Zou, "Conjugated Polymer Photovoltaic Materials with Broad Absorption Band and High Charge Carrier Mobility",Adv. Mater., 2008, 20, 2952-2958.Qingjiang Sun, Y. Andrew Wang*, Lin Song Li, Daoyuan Wang, Ting Zhu, Jian Xu, Chunhe Yang and Yongfang Li*, “Bright, Multicoloured Light Emitting Diodes Based on Quantum Dots”, Nature Photonics, 2007, 1, 717-722.Xiaowei Zhan*, Zhan’ao Tan, Benoit Domercq, Zesheng An, Xuan Zhang, Stephen Barlow, Yongfang Li*, Daoben Zhu*, Bernard Kippelen*, Seth R. Marder*, “A High-Mobility Electron-Transport Polymer with Broad Absorption and its use inAll-Polymer Solar Cells and Field-Effect Transistors”, J. Am. Chem. Soc.2007, 129, 7246-7247.Jianhui Hou, Zhan’ao Tan, Yong Yan, Youjun He, Chunhe Yang, Yongfang Li*, “Synthesis and photovoltaic properties of two-dimensional conjugated polythiophenes with bi(thienylenevinylene) side chains”, J. Am. Chem. Soc., 2006, 128, 4911-4916.Jianhui Hou, Lijun Huo, Chang He, Chunhe Yang, Yongfang Li*, “Synthesis and Absorption Spectra of Poly[3-(phenylene-vinyl) thiophene] with Conjugated Side-Chains", Macromolecules, 2006, 39, 594-603.Yongfang Li, Yong Cao, Jun Gao, Deli Wang, Gang Yu, Alan J. Heeger， “Electrochemical properties of luminescent polymers and polymer light-emitting electrochemical cells”, Synth. Met., 1999, 99, 243-248Yongfang Li, Renyuan Qian, “On the nature of redox processes in the cyclic voltammetry of polypyrrole in aqueous solutions”, J. Electroanal. Chem., 1993, 362, 267. 学术交流根据2021年5月苏州大学材料与化学化工学部网站显示，李永舫先后在中国国内外学术会议大会报告和邀请报告90多次 

承担项目项目时间项目名称项目来源2004年01月—2006年12月有机双稳态和存储器件（与美国加州大学洛杉矶分校合作）国家自然科学基金委员会2009年01月—2011年12月用于高效聚合物太阳能电池的新型光伏材料的设计、合成和应用（与美国加州大学洛杉机分校材料科学和工程系合作）国家自然科学基金委员会 科研成果奖励获奖时间项目名称奖励名称1987年锂电池电极反应机理――电化学嵌入反应的研究国家教委科技进步二等奖（排名第二）1993年导电聚吡咯的研究中国科学院自然科学一等奖（排名第二）1995年导电聚吡咯的研究国家自然科学二等奖（排名第二）2005年导电聚合物电化学和聚合物发光电化学池的研究北京市科学技术奖一等奖（排名第一） 2012年Two-dimension-conjugated polymers with conjugated side chain for high efficiency polymer solar cells2012高分子学术报告奖（Macro2012 Lecture Award） 2013年 聚合物太阳电池光伏材料的研究北京市科学技术奖一等奖（排名第一） 2018带共轭侧链的聚合物给体和茚双加成富勒烯受体光伏材料国家自然科学二等奖（排名第1） 

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