@article{yi_sopori_lan_kim_bremner_2013, 
  title={Si-Related Solar Cells for a Low Cost and High Efficiency 2013}, 
  volume={2013}, 
  DOI={10.1155/2013/596973}, 
  publisher={Hindawi Limited}, 
  author={Yi and Sopori and Lan and Kim and Bremner}, 
  year={2013}
  }