@article {pizzini2010, title = {Towards solar grade silicon: Challenges and benefits for low cost photovoltaics}, journal = {Solar Energy Materials and Solar Cells}, volume = {94}, year = {2010}, month = {Jan-09-2010}, pages = {1528 - 1533}, issn = {09270248}, doi = {10.1016/j.solmat.2010.01.016}, url = {http://linkinghub.elsevier.com/retrieve/pii/S0927024810000310} }