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No.27 Environmental Forum

Release time:2016-01-04Click rate:Article source :

Title:Nanostructural and Interfacial Engineering for Sustainable Solar Energy Conversion

Lecturer:Shihe Yang

Time:Dec.4, 2015(Friday) 10:00-11:00

Venue:Lecture Hall of SESE

Liaison:ZHAO Yixin       

 

Abstract:

Nanostructured materials and interfaces with novel optoelectronic functionalities play a key role in developing the new generation of solar cell and fuel devices. In this talk, I will highlight some of our recent results in understanding, interfacing and assembling different solution-processed processed nanomaterials for efficient solar energy conversion. First, I will focus on the design and construction of mesoscopic photoelectrodes, semiconductor quantum structures, donor-acceptor molecules, metallo-organic halide films for sensitized solar cells and especially the most recently rising perovskite solar cells. Power conversion efficiency (PCE) of over 15% can now be readily obtained with low-cost materials and processes by judiciously designing the nanostructures and interfaces. Second, I will discuss our recent developments of various nanostructures and their combinations for solar fuel generation devices, including nanostructured catalysts, photocatalysts, photoelectrochemical electrodes and light harvesters. One of the current challenges in engineering solar energy conversion devices is to understand the component nanostructure - function relationship, akin to the bond-property relationship but at a higher level.

 

Introduction of the Lecturer:

Shihe Yang received his B.S. in Chemistry from Sun Yat-Sen University in China and a Ph.D. in Physical Chemistry in 1988 (with the Nobel Laureate Prof. Richard E. Smalley). He did post-doctoral research at Argonne National Laboratory and the University of Toronto (with the Nobel Laureate Prof. John C. Polanyi) before joining the faculty at The Hong Kong University of Science and Technology, where he is currently a full professor. His research interests include chemistry and physics of finite systems, clusters, nanomaterials, and energy conversion. He and co-workers made contributions to the understanding and development of cluster science, fullerenes/metalofullerenes, novel nanomaterials chemistry, new generation solar cells, and other energy conversion devices. He is an author/co-author of over 450 international journal publications and ~8 patents with over 15,000 citations (h-index ~ 65). His scientific research has been recognized by, among others, the State Natural Science Awards for the last consecutive two years. He is currently an editorial board member of several international journals including ChemNanoMat (VCH-Wiley), Sustainable Energy (Hans Publishers), International Journal of Nanotechnology (Inderscience Enterprises Ltd.), etc.

 

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