@article { author ={G. Lupina, J. Kitzmann, I. Costina, M. Lukosius, C. Wenger, A. Wolff, S. Vaziri, M. Östling, I. Pasternak, W. Strupinski, S. Kataria, A. Gahoi, M.C. Lemme, G. Ruhl, G. Zoth, O. Luxenhofer, W. Mehr}, title = {Residual metallic contamination of transferred chemical vapor deposited graphene}, journal = {ACS Nano}, year = {2015}, volume = {9}, issue = {5}, pages = {4776-4785}, doi = {http://dx.doi.org/10.1021/acsnano.5b01261}, url = {http://pubs.acs.org/doi/abs/10.1021/acsnano.5b01261}, }