@article {Kumar2015, title = {Strategic review of secondary phases, defects and defect-complexes in kesterite CZTS{\textendash}Se solar cells}, journal = {Energy Environ. Sci.}, volume = {8}, year = {2015}, month = {Jan-01-2015}, pages = {3134 - 3159}, issn = {1754-5692}, doi = {10.1039/C5EE02153G}, url = {http://xlink.rsc.org/?DOI=C5EE02153G}, author = {Kumar, Mukesh and Dubey, Ashish and Adhikari, Nirmal and Venkatesan, Swaminathan and Qiao, Qiquan} }