@article {Hong2016, title = {Trigonal Cu 2 -II-Sn-VI 4 (II = Ba, Sr and VI = S, Se) quaternary compounds for earth-abundant photovoltaics}, journal = {Phys. Chem. Chem. Phys.}, volume = {18}, year = {2016}, month = {Jan-01-2016}, pages = {4828 - 4834}, issn = {1463-9076}, doi = {10.1039/C5CP06977G}, url = {http://xlink.rsc.org/?DOI=C5CP06977G}, author = {Hong, Feng and Lin, Wenjun and Meng, Weiwei and Yan, Yanfa} }