于曦，研究员(教授)
Xi Yu, Research Fellow
Email：xi.yu@tju.edu.cn
化学与应用化学 博士生导师
凝聚态物理 硕士生导师
微电子（深圳学院） 硕士生导师
学习与工作经历
2016.08 - 至今 天津大学化学系 研究员
2012.12 - 2016.08 以色列Weizmann研究所材料与界面系 博士后
专业方向：分子电子学与电声相互作用
导师: David Cahen
2006.09 - 2012.12 麻省大学阿默斯特分校化学系 博士
专业方向：纳米粒子的表面化学、组装与功能材料
导师: Vincent M. Rotello
2004.05 - 2006.08 清华大学化学系，合作研究
专业方向：表面润湿性的调控
导师：张希院士
2003.09 - 2006.08 吉林大学化学系 硕士
专业方向：高分子化学与物理
导师：张希院士
1999.09 -2003.07 吉林大学化学系 本科
专业：化学
研究方向
分子尺度电子学，电荷传递-分子振动相互作用，量子输运与量子动力学，有机电子学与柔性电子学，自组装光电功能材料
分子尺度电子学—站在化学、物理、电子学交汇点上的前沿科学
在分子尺度电子学中，我们利用分子作为功能单元构筑电子器件。我们利用跨学科的理论与方法，包括物理的、化学的、电子学与材料学的，研究微观尺度下跨越分子的电荷传递的基本化学与物理机理。这些机理将帮助我们更深入的理解许多电荷传递相关的基本过程，如溶液中的氧化还原反应、光合作用中的电荷分离与传递、微尺度晶体管、整流器的运行原理等。我们的研究将最终服务于微观体系中电荷转移的调控和新功能的实现，如控制生物体系中电荷传输以调节生物功能，以及分子尺度电子器件的构筑。
在研项目
1 天津大学双一流人才启动经费（80万，2016-2017）
2 国家自然科学基金面上项目“人工合成多肽分子结中的电荷输运研究”（65万，2017-2021）
代表性论文与著作
Tuning Electronic Transport via Hepta-Alanine Peptides Junction by Tryptophan Doping
Yu X., Guo C., Refaely-Abramson S., Sepunaru L., Bendikov T., Pecht I., Kronik L., Vilan A., Sheves M., Cahen D., Proceedings of the National Academy of Sciences (PNAS) 2016, 113, 10785.
Mode-Selective Vibrational Modulation of Charge Transport in Organic Electronic Devices
Bakulin A.,# Lovrincic R.,# Yu X.,# Selig O., Bakker H., Rezus Y., Nayak P., Fonari A., Coropceanu V., Brédas J.-L. et al.
#共同第一完成人,
Nature Communication, 2015, 6, 7880.
Insights into Solid-State Electron Transport through Proteins from Inelastic Tunneling Spectroscopy: The Case of Azurin
Yu X., Lovrincic R., Sepunaru L., Li W., Vilan A., Pecht I., Sheves M., Cahen D.
ACS Nano 2015, 9, 9955.
Impedance Spectroscopy of Ionic Ligand Modulated Charge Transport of Gold Nanoparticles films
Yu X., Malvankar N., Landis R., Eymur S., Miranda O., Rotello V.
Small, 2015, 11, 3814.
Fabrication of Reproducible, integration-compatible hybrid molecular / Si electronics
Yu X., Lovrincic R., Kraynis O., Man G., Ely T., Zohar A., Toledano T., Cahen D., Vilan A.
Small, 2014, 10, 5151.
Direct Patterning of Engineered Ionic Gold Nanoparticles via Nanoimprint Lithography
Yu X., Pham J., Subramani C., Creran B., Yeh Y., Du K., Patra D., Miranda O., Crosby A., Rotello, V.
Advanced Materials, 2012, 64, 2330.
Nanoparticle Devices: Going with the Electron Flow
Yu X., Rotello V.
Nature Nanotechnology 2011, 6, 693.
Surface Gradient Material: From Superhydrophobicity to Superhydrophilicity
Yu X., Wang Z., Jiang Y., Zhang X.
Langmuir 2006, 22, 4483.
Reversible pH‐Responsive Surface: From Superhydrophobicity to Superhydrophilicity
Yu X., Wang Z. Q., Jiang Y. G., Shi F., Zhang, X.
Advanced Materials 2005, 17, 1289.
Education and Work Experience
2016.08 - Present Professor of Chemistry and Physics
School of Science, Tianjin University
2012.12 - 2016.05 Postdoctoral researcher
Department of Materials and Interfaces
Weizmann Institute of Science
Host: Prof. David Cahen
2006.09 - 2012.11 PhD degree
Department of Chemistry, University of Massachusetts Amherst
Advisor: Prof. Vincent M. Rotello
2004.05 - 2006.08 Continuation of M.Sc. Studies
Department of Chemistry, Tsinghua University, China P. R.
Supervisor: Prof. Xi Zhang
2003.09 - 2004.07 Master
Department of Chemistry, Jilin University
Polymer Chemistry and Physics
Supervisor: Prof. Dr. Xi Zhang
1999.09 - 2003.07 Bachelor degree
Department of Chemistry, Jilin University
Research Experience
1. Dec. 2012 ~ present, electron-phonon interaction in self-assembled monolayer and proteins molecular junction. Exploring the effect of vibrational modes on electron transport through organic molecules and proteins by inelastic tunneling spectroscopy (IETS) and pump-push photo-current measurement.
2. Jan. 2009 ~ Nov. 2012, study on modulated energy and charge transfer of flavin-base donor-acceptor system by multi hydrogen bonding molecular recognition. Supported by Energy Frontier Research Center (EFRC) in university of Massachusetts Amherst. Paper published in Physical Chemistry and Chemical Physics.
3. June 2008 ~ 2012, explore soft and deformable nanoparticle materials and their special ionic and electronic charge transport properties. Paper published in Advanced Materials.
4. June 2007 ~ May 2008, study on polymer gels base on complementary hydrogen bonding, their formation, surface patterning and functionalization. Work has been published in Small.
5. May 2004 ~ Aug. 2006, studied on wetting property of surface modulation by self-assembled monolayer, supervised by Prof. Xi Zhang, Chemistry Department, Tsinghua University P. R. China.
6. Sep. 2003 ~ May 2004, studied on Electrochemistry property for polyelectrolyte multilayers, supervised by Prof. Xi Zhang, Key Lab for Supramolecular Structure & Materials, College of Chemistry, Jilin University, P. R. China
7. 2000 ~ 2003, member of National Training Base for Fundamental Science Research and Teaching of Chemistry, College of Chemistry, Jilin University, ranked 5th in all the 130 students.
