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Scientific Forum On Process Engineering

Author: Edit:2015-08-31

Reporter:Prof. Peidong Yang    University of California, Berkeley 94720
Time: September, 5, 2015,15:30-16:30 PM
Tittle:Systems Materials Engineering Approach for Solar-to-chemical Conversion
Place:Mansion Multi-function Hall on the fifth floor, Process Engineering Chinese Academy of Sciences

Introduction:

Peidong Yang received a B.S. in chemistry from University of Science and Technology of China in 1993 and a Ph.D. in chemistry from Harvard University in 1997. He did postdoctoral research at University of California, Santa Barbara before joining the faculty in the department of Chemistry at the University of California, Berkeley in 1999. He is currently professor in the Department of Chemistry, Materials Science and Engineering; and a senior faculty scientist at the Lawrence Berkeley National Laboratory. He is S. K. and Angela Chan Distinguished Chair Professor in Energy. He was elected as MRS Fellow, and a member of American Academy of Arts and Sciences. He is a Honorary Fellow of Chinese Chemical Society, a Fellow of Royal Society of Chemistry (FRSC), and a senior fellow for Canadian Institute for Advanced Research.

He is the director for California Research Alliance by BASF, and co-director for the Kavli Energy Nanoscience Institute. He is one of the founding members for DOE Energy Innovation Hub: Joint Center for Artificial Photosysnthesis (JCAP) and served as its north director for the first two years.  Yang is an associate editor for Journal of the American Chemical Society and also serves on editorial advisory board for number of journals including Acct. Chem. Res. and Nano. Lett. He was the founder of the Nanoscience subdivision within American Chemical Society. He has co-founded two startups Nanosys Inc. and Alphabet Energy Inc. He is the recipient of E. O. Lawrence Award, ACS Nanoscience Award, MRS Medal, Baekeland Medal, Alfred P. Sloan research fellowship, the Arnold and Mabel Beckman Young Investigator Award, National Science Foundation Young Investigator Award, MRS Young Investigator Award, Julius Springer Prize for Applied Physics, ACS Pure Chemistry Award, and Alan T. Waterman Award. According to ISI (Thomas Reuters), Yang is ranked as No. 1 in materials science and No. 10 in chemistry for the past 10 years based on average citation per paper, and he has an h-index of 120. He is 2014 Thomas Reuters Citation Laureate in Physics. His main research interest is in the area of one dimensional semiconductor nanostructures and their applications in nanophotonics and energy conversion.

Solar-to-chemical (STC) production using a fully integrated system is an attractive goal, but to-date there has yet to be a system that can demonstrate the required efficiency, durability, or be manufactured at a reasonable cost. One can learn a great deal from the natural photosynthesis where the conversion of carbon dioxide and water to carbohydrates is routinely carried out at a highly coordinated system level. There are several key features worth mentioning in these systems: spatial and directional arrangement of the light-harvesting components, charge separation and transport, as well as the desired chemical conversion at catalytic sites in compartmentalized spaces. In order to design an efficient artificial photosynthetic materials system, at the level of the individual components: better catalysts need to be developed, new light-absorbing semiconductor materials will need to be discovered, architectures will need to be designed for effective capture and conversion of sunlight, and more importantly, processes need to be developed for the efficient coupling and integration of the components into a complete artificial photosynthetic system.

 

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