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个人简介

东南大学, 南京, 2007/03 - 至今 教授,博士生导师 Case Western Reserve University, Cleveland, Ohio, 2001-2007 Ph.D. in Physical Chemistry, Advisor: Prof. Clemens Burda SUNY at Binghamton, Binghamton, New York, 1999-2001 Graduate Student in Anal. Chem., Advisor: Prof. Chuan-Jian Zhong 南京大学, 南京, 1996-1999 M.S. in Polymer Chemistry, Advisor: Prof. Qingchao Gu 南开大学, 天津, 1992-1996 B.S. in Polymer Chemistry, Advisor: Prof. Jiaxian Huang

研究领域

1.光活性量子点的合成及纳米等离子体探针技术和光催化应用 多年来,具有局域表面等离子体共振(Localized surface plasmonic resonance,LSPR)效应的金属纳米材料一直是纳米领域的研究热门。半导体纳米晶体(量子点)能级呈现为带状,带宽与粒子大小的有关,从而其吸收光谱及其发射光谱也是粒子大小的函数,粒子变小,吸收光谱和荧光光谱则向短波长方向移动,这叫做量子限制效应。重度载流子掺杂的半导体量子点实现类似于金属纳米粒子特征的LSPR 吸收峰,而纳米粒子的等离子体共振吸收一般仅限于贵金属纳米粒子(比如金、银和铜),最新的研究使得这类材料的范畴大大地拓宽到半导体纳米结构,尤其是硫族化物(chalcogenides)和氧化物。量子点的制备方法很多,用于无机离子、无机小分子以及生物分子的荧光/等离子体探针的量子点通常采用胶体化学法,按所有的原料不同,可以分成金属有机溶剂热分解,巯基分子作稳定剂的水相合成,溶剂/水热法合成等等方法。对用于生物检测的纳米晶体的要求是可溶于水或缓冲溶液,粒径分布均匀,量子产率高,并且稳定。因此制备发光效率高、发光颜色可调性好、对光热稳定性好的量子点,尤其是制备对于生物监测十分重要的受激发能在红外区发光的量子点已成为近年来的研究热点。本课题组主要研究不同的方法来制备具有高催化性能,高生物相容性的具有LSPR特性的半导体金属硫化物/氧化物纳米材料,并通过纳米材料与生物分子的偶联等技术来制备新型量子点荧光/等离子体探针,以及同其它光活性纳米材料复合来获得高性能的光催化材料,用来光解水产氢或者光催化分解氨硼烷制氢。 2.纳米复合材料在锂离子电池和新型储能设备中的应用 负极材料是锂离子电池的关键材料,其性能的好坏不仅直接影响电池的性能,而且对降低电池成本、实现产业化具有十分重要的现实意义。石墨烯(Graphene)是一种由碳原子构成的单层片状结构的新材料,是一种由碳原子以sp2杂化轨道组成六角型呈蜂巢晶格的平面薄膜,只有一个碳原子厚度的二维材料,石墨烯目前是世上最薄却也是最坚硬的纳米材料,它几乎是完全透明的,只吸收2.3%的光,具有极高的导热系数(高于碳纳米管和金刚石),电子迁移的速度极快,而电阻率比铜或银更低,为目前世上电阻率最小的材料。碳纳米管,又名巴基管,是一种具有特殊结构(径向尺寸为纳米量级,轴向尺寸为微米量级,管子两端基本上都封口)的一维量子材料。碳纳米管具有良好的力学性能,良好的导电性能和传热性能硅具有非常高的理论比容量和较低的嵌/脱锂电位,被认为是最有潜力实现下一代高能量密度锂离子电池的新型负极材料之一,但由于硅在嵌锂/脱锂过程中会产生约300%的体积膨胀/收缩,巨大的体积变化会造成硅电极的粉化剥落,使硅颗粒之间以及硅与集流体之间失去电接触,电极的比容量急剧下降甚至完全失效。本课题组主要探索纳米硅与碳纳米管/石墨烯的复合材料,在锂离子电池负极材料及超级电容器储能设备中的应用。 3.新型钙钛矿纳米晶的合成与应用 使用拟卤素硫氰酸根来替换普通钙钛矿纳米晶中的卤素离子,可以获得更加稳定的、光电性质可调的无机/有机杂化钙钛矿材料。前人工作表明,SCN?与I?的离子半径接近,SCN?掺杂的CH3NH3PbI3与纯CH3NH3PbI3的光学性质接近,因而可以预测SCN?掺杂的CsPbBr3应该会导致能隙变窄。有趣的是,全无机CsPbBr3钙钛矿纳米晶在成功掺杂了SCN?后结晶性增强,光致化学发光产生了异常的蓝移。综合理论计算和实验结果表明,棒状的SCN?离子会引起晶格畸变和扩张,从而影响到钙钛矿的电子结构,从而导致能隙增宽。同时还积极制备其它各种新型纯无机钙钛矿纳米晶。

近期论文

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Yongbing Lou*, Jinxin He, Guoning Liu, Shaopeng Qi, Lin Cheng, Jinxi Chen,* Yixin Zhao* and Jun-Jie Zhu*, 'Efficient Hydrogen Evolution from Hydrolysis of Ammonia Borane using Bilateral-like WO3-x Nanorods Coupled with Ni2P Nanoparticles', Chem. Commun., doi:10.1039/c8cc03502d, 2018. Yongbing Lou*, Mengying Fang, Jinxi Chen,* and Yixin Zhao*, 'Formation of Highly Luminescent Cesium Bismuth Halide Perovskite Quantum Dots Tuned by Anion Exchange', Chem. Commun., 54, 3779, 2018. Yongbing Lou*, Yake Zhang, Lin Cheng, Jinxi Chen,* and Yixin Zhao*, 'A Stable Plasmonic Cu@Cu2O/ZnO Heterojunction for Enhanced Photocatalytic H2 Generation', ChemSusChem, 11, 1505, 2018. Dandan Yang, Mei Liu, Jing Xu, Chao Yang, Xiaoxiao Wang, Yongbing Lou*, Nongyue He*, Zhifei Wang*, 'Carbon nanosphere-based fluorescence aptasensor for targeted detection of breast cancer cell MCF-7', Talanta, 185, 113, 2018. Qingsong Zhang, Jinghua Yang, Min Xu, Jinxi Chen, Yongbing Lou, Jiancheng Zhou, Lin Cheng*, 'Fabrication of WO2.72/UiO-66 nanocomposites and effects of WO2.72 ratio on photocatalytic performance: judgement of the optimal content and mechanism study', J. Chem. Technol. Biotechnol., doi:10.1002/jctb.5627, 2018. Yongbing Lou*, Yandan Niu, Dongwen Yang, Qiaoling Xu, Yuhang Hu, Ying Shen, Jing Ming, Jinxi Chen, Lijun Zhang*, and Yixin Zhao*, 'Rod-shaped thiocyanate induced abnormal band gap broadening in SCN- doped CsPbBr3 perovskite nanocrystals', Nano Research, doi: 10.1007/s12274-017-1901-z, 2017. Yongbing Lou*, Dan He, Zhifei Wang*, Yuhang Hu, Ying Shen, Jing Ming, Jinxi Chen, 'Nanocomposite of ultrasmall Co3O4 nanoparticles deposited on ultrathin MoS2 surfaces for excellent performance anode materials in lithium ion batteries', Chem. Eng. J. (Amsterdam, Neth), 313, 1269, 2017. Mengjuan Du, Dan He, Yongbing Lou*, Jinxi Chen*, 'Porous nanostructured ZnCo2O4 derived from MOF-74: High-performance anode materials for lithium ion batteries', J. Energ. Chem., 26, 673, 2017. Jinxi Chen*, Xixi Mu, Mengjuan Du, Yongbing Lou, 'Porous rod-shaped Co3O4 derived from Co-MOF-74 as high-performance anode materials for lithium ion batteries', Inorg. Chem. Comm., 84, 241, 2017. Wenjuan Yan, Ziyang Guo, Huoshu Xu, Yongbing Lou, Jinxi Chen* and Qiaowei Li*, 'Downsizing Metal–Organic Frameworks with Distinct Morphologies as Cathode Materials for High-capacity Li–O2 Batteries', Mater. Chem. Front., 1, 1324, 2017. Y. Lou*, Y. Peng, X. Zhang, J. Chen*, 'Structure tuning in amino-functionalized coordination polymers based on different V-shaped dicarboxylate ligands', Inorg. Chem. Commun., 73, 183, 2016. Z. Wang*, X. Tang, X. Wang, D. Yang, C. Yang, Y. Lou, J. Chen*, N. He*, 'Near-infrared light-induced dissociation of zeolitic imidazole framework-8 (ZIF-8) with encapsulated CuS nanoparticles and their application as a therapeutic nanoplatform', Chem. Commun., 52, 12210, 2016. X. Guo, T. Xing, Y. Lou*,J. Chen*, 'Controlling ZIF-67 crystals formation through various cobalt sources in aqueous solution', J. Solid State Chem., 235, 107, 2016. Yongbing Lou*, Yixin Zhao and Jun-Jie Zhu*, 'Ultrasensitive Optical Detection of Anions by Quantum Dots', Nanoscale Horiz., 1, 125, 2016. Yingping Zheng*, Hong Chen, Yunqian Dai, Nengneng Zhang, Wanlong Zhao, Shixian Wang, Yongbing Lou, Ying Li, Yueming Sun*, 'Preparation and characterization of Pt/TiO2 nanofibers catalysts for methanol electro-oxidation', Electrochim. Acta, 178, 74, 2015. Hongying Liu, Youbing Lou, Fei Zhou, Hao Zhu, E.S. Abdel-Halim, Jun-Jie Zhu*; 'An amplified electrochemical strategy using DNA-QDs dendrimer superstructure for the detection of thymine DNA glycosylase activity', Biosens. Bioelectron., 71, 249, 2015. Yongbing Lou*, Jing Liang, Yinglian Peng, Jinxi Chen*, 'Ultra-small Co3O4 nanoparticles–reduced graphene oxide nanocomposite as superior anodes for lithium-ion batteries', Phys. Chem. Chem. Phys., 17, 8885, 2015. Hai-Bin Zhu*, Yan-Fang Wu, Ge Zhang, Yong-Bing Lou*, Jun Hu, 'Side-chain-modulated supramolecular assembly between CuX2 (X = Cl, Br) and quasi-planar π-conjugated organic synthons of 1, 3, 5-tris(2-alkylthiolpyrimidinyl)benzene: crystal structures and conductive properties', Polyhedron, 85, 60, 2015. Tiantian Xing, Yongbing Lou*, Qilong Bao, Jinxi Chen*, 'Surfactant-Assisted Synthesis of ZIF-8 Nanocrystals in Aqueous Solution via Microwave Irradiation,' CrystEngComm, 16, 8994, 2014. Yinhua Tao, Yongbing Lou*, Yang Li, Jinxi Chen*, 'Structural Diversity of Five New Lanthanide Coordination Polymers Tuned by Different Salt Anions,' Bull. Korean Chem. Soc., 35, 1417, 2014.

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