2019-5-10 12:14 科研管理处


报告题目    :    Time-resolved Radiation chemistry: electron dynamics in iodide-nucleobase cluster
报 告 人    :    Weili Li/李伟利
报告时间    :    2019年5月14日
报告地点    :    102楼421会议室


Introduction:Weili Li 

EDUCATION
•    Ph.D. in Chemistry, Brown University, USA ( Lai-Sheng Wang)    08.2014
•    M.A. in Chemistry, Brown University, USA.    05.2011
•    B.S. in Chemistry, University of Science and Technology of China, China.    07.2009

RESEARCH and WORK EXPERIENCE
09.2017–present: Product Engineer, Lam Research
10.2014–06.2017: Postdoctoral Scholar, Advisor: Prof. Daniel M. Neumark, University of  California, Berkeley.
Build laser desorption source for nucleosides and nucleotides time-resolved study
•    Design new laser desorption source combined with supersonic expansion.
•    Setup and optimize expansion condition for nucleosides and nucleotides complexes.
•    Perform spectroscopic studies on the mass selected iodide-nucleoside clusters.
Femtosecond time-resolved photoelectron imaging of small biological molecules
•    Prepare small biological complex using thermal desorption.
•    Obtain the time-resolved photoelectron imaging of biological complex at using different excitation energies.
•    Propose dynamic models to interpret the observed imaging data and the decay process.
01.2010–08.2014: Research Assistant, Advisor: Prof. Lai-Sheng Wang, Brown University.
Boron clusters: building the foundation of novel boron nanostructures
•    Prepare the boron target and generate boron clusters using laser vaporization and supersonic expansion.
•    Control the cluster size and temperature by varying the laser trigger time, carrier gases and shape of home-designed and home-built nozzles.
•    Select the desired boron clusters by time of flight mass spectrometry.
•    Design and setup the laser light path used to characterize the clusters.
•    Obtain the photoelectron spectra using lasers running in the UV and visible regions.
•    Perform quantum calculations to determine the cluster structure, interpret the spectrum and to understand the electronic properties of the boron clusters.
Doped boride clusters: study of novel molecular structures and chemical bonding
•    Upgrade a home-made data acquisition electronic system to a National Instruments PXI platform and Labview controlled.
•    Generate and discover the transition-metal centered molecular wheels, highlighted by the international journal: Angew. Chem. Int. Ed., C&EN.
•    Explore the application of these clusters as novel ligands in designing novel nanostructures.
•    Synthesize BnH2−/0 molecular wires and substitute H by Au in an effort to produce and study conducting nanowires.
Electronic Structure of Gaseous Actinide Molecules and Clusters
•    Produce and characterize UFx− and UOx− (x = 1, 2, 3 …) to investigate geometric and electronic structures.
•    Observe strong correlations between the 7s electrons.
•    Establish strong communication with collaborators working on quantum calculations. 
•    Supervise and train new graduate students the mass and photoelectron spectroscopic data acquisition, lab maintenance and theoretical approaches for data analysis.
12.2007–07.2009, Advisor: Prof. Liangbin Li, University of Science and Technology of China
Movement of Nanofilm driven by Smart Polymer
•    Synthesize the PS nanofilm using spin-coating. Use photolithography to generate active spots for grafting pH sensitive polymers to the nanofilm.
•    Measure the bare film surface with AFM and test the film movement in solution.
07.2008–09.2008, Advisor: Prof. Lei Jiang, Institute of Chemistry, Chinese Academy of Science
Preparation of Responsive Wettability of PET Film
•    Prepare hydrophobic nanofilm and measure surface using TEM, measure the water contact angle.