Overcoming Effi ciency Limitations of SnS-Based Solar Cells

Dr. P. Sinermsuksakul, Dr. S. B. Kim, Prof. R. G. Gordon Department of Chemistry and Chemical Biology Harvard University Cambridge , MA , U.S.A E-mail: gordon@chemistry.harvard.edu L. Sun, H. H. Park, C. Yang School of Engineering and Applied Sciences Harvard University Cambridge , MA , U.S.A Prof. S. W. Lee Department of Physics and Division of Energy Systems Research Ajou University 443–749 , Suwon , Korea