Dunwei Wang

Dunwei Wang

Associate Professor of Chemistry
Ph.D., Stanford University, 2005
Postdoctoral Fellow, California Institute of Technology, 2005-2007

Selected Honors and Awards:
IUPAC Prize for Young Chemists 2006
NSF CAREER Award 2011
Sloan Research Fellowship 2012

dunwei.wang.1@bc.edu    617-552-3121

Group Research Website


Photosynthesis harvests solar energy and stores it in chemical forms. When used to produce fuels, this process promises a solution to challenges associated with the intermittent nature of sunlight. Theoretical studies show that photosynthesis can be efficient and inexpensive. To achieve this goal, we need materials with suitable properties of light absorption, charge separation, chemical stability, and catalytic activity. For large-scale implementations, the materials should also be made of earth abundant elements. Due to the intricacy of these considerations, a material that meets all requirements simultaneously is absent and, as a result, existing photosynthesis is either inefficient or costly or both, creating a critical challenge in solar energy research. At Boston College, we have developed strategies to combat this challenge through rational material design and precise synthesis control. Guided by an insight that complex functionalities may be obtained by combining multiple material components through homo- or hetero-junctions, we have produced a number of material combinations aimed at solving fundamental challenges common in inorganic semiconductors such as poor charge collection, mismatch of energy levels, and weak light absorption. Much of our effort is focused on using these materials for solar water splitting. More recently we have started devising highly specific reaction routes for carbon dioxide photofixation. Exciting new progress in a technologically relevant field of rechargeable batteries has been made by us, as well.

Representative Key Publications:

Rui Liu, Guangbi Yuan, Candice Joe, Ted Lightburn, Kian L. Tan, Dunwei Wang, “Si Nanowires as Photoelectrode for Carbon Dioxide Fixation,” Angew. Chem. Int. Ed. 2012, 51, 6709-6712

Yongjing Lin, Sa Zhou, Stafford Sheehan, Dunwei Wang, “Nanonet-Based Hematite Heteronanostructures for Efficient Solar Water Splitting,” J. Am. Chem. Soc. 2011, 133, 2398-2401

Sa Zhou, Xiaohua Liu, Yongjing Lin, Dunwei Wang, “Spontaneous Growth of Highly Conductive Two-dimensional Single Crystalline TiSi2 Nanonets,” Angew. Chem. Int. Ed. 2008, 47, 7681-7684

Boston College Chemistry
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