Large-scale pattern growth of graphene films for stretchable transparent electrodes Export

@article{citeulike:3903146, abstract = {Problems associated with large-scale pattern growth of graphene constitute one of the main obstacles to using this material in device applications. Recently, macroscopic-scale graphene films were prepared by two-dimensional assembly of graphene sheets chemically derived from graphite crystals and graphene oxides. However, the sheet resistance of these films was found to be much larger than theoretically expected values. Here we report the direct synthesis of large-scale graphene films using chemical vapour deposition on thin nickel layers, and present two different methods of patterning the films and transferring them to arbitrary substrates. The transferred graphene films show very low sheet resistance of <280\&\#9;\&\#169; per square, with <80 per cent optical transparency. At low temperatures, the monolayers transferred to silicon dioxide substrates show electron mobility greater than 3,700\&\#9;cm2\&\#9;V-1\&\#9;s-1 and exhibit the half-integer quantum Hall effect, implying that the quality of graphene grown by chemical vapour deposition is as high as mechanically cleaved graphene. Employing the outstanding mechanical properties of graphene, we also demonstrate the macroscopic use of these highly conducting and transparent electrodes in flexible, stretchable, foldable electronics.}, author = {Kim, Keun S. and Zhao, Yue and Jang, Houk and Lee, Sang Y. and Kim, Jong M. and Kim, Kwang S. and Ahn, Jong-Hyun and Kim, Philip and Choi, Jae-Young and Hong, Byung H.}, citeulike-article-id = {3903146}, citeulike-linkout-0 = {http://dx.doi.org/10.1038/nature07719}, citeulike-linkout-1 = {http://dx.doi.org/10.1038/nature07719}, day = {14}, doi = {10.1038/nature07719}, issn = {0028-0836}, journal = {Nature}, keywords = {electronic-device, flexible-electronics, graphene}, month = {January}, posted-at = {2009-02-27 22:23:34}, priority = {2}, publisher = {Nature Publishing Group}, title = {Large-scale pattern growth of graphene films for stretchable transparent electrodes}, url = {http://dx.doi.org/10.1038/nature07719}, year = {2009} }

TY - JOUR ID - citeulike:3903146 L3 - citeulike-article-id:3903146 N2 - Problems associated with large-scale pattern growth of graphene constitute one of the main obstacles to using this material in device applications. Recently, macroscopic-scale graphene films were prepared by two-dimensional assembly of graphene sheets chemically derived from graphite crystals and graphene oxides. However, the sheet resistance of these films was found to be much larger than theoretically expected values. Here we report the direct synthesis of large-scale graphene films using chemical vapour deposition on thin nickel layers, and present two different methods of patterning the films and transferring them to arbitrary substrates. The transferred graphene films show very low sheet resistance of <280&#9;&#169; per square, with <80 per cent optical transparency. At low temperatures, the monolayers transferred to silicon dioxide substrates show electron mobility greater than 3,700&#9;cm2&#9;V-1&#9;s-1 and exhibit the half-integer quantum Hall effect, implying that the quality of graphene grown by chemical vapour deposition is as high as mechanically cleaved graphene. Employing the outstanding mechanical properties of graphene, we also demonstrate the macroscopic use of these highly conducting and transparent electrodes in flexible, stretchable, foldable electronics. JF - Nature SN - 0028-0836 TI - Large-scale pattern growth of graphene films for stretchable transparent electrodes PB - Nature Publishing Group KW - electronic-device KW - flexible-electronics KW - graphene AU - Kim, Keun AU - Zhao, Yue AU - Jang, Houk AU - Lee, Sang AU - Kim, Jong AU - Kim, Kwang AU - Ahn, Jong-Hyun AU - Kim, Philip AU - Choi, Jae-Young AU - Hong, Byung PY - 2009/01/14/ UR - http://dx.doi.org/10.1038/nature07719 ER -