Sci-Bytes> Hot Paper in Chemistry
Week of July 24, 2011
"Roll-to-roll production of 30-inch graphene films for transparent electrodes," by Sukang Bae and 15 others, Nature Nanotechnology, 5(8): 574-8, August 2010.
[Authors' affiliations: 8 South Korean, Singaporean, and Japanese institutions]
Abstract: "The outstanding electrical, mechanical, and chemical properties of graphene make it attractive for applications in flexible electronics. However, efforts to make transparent conducting films from graphene have been hampered by the lack of efficient methods for the synthesis, transfer and doping of graphene at the scale and quality required for applications. Here, we report the roll-to-roll production and wet-chemical doping of predominantly monolayer 30-inch graphene films grown by chemical vapour deposition onto flexible copper substrates. The films have sheet resistances as low as similar to 125 Omega square(-1) with 97.4% optical transmittance, and exhibit the half-integer quantum Hall effect, indicating their high quality. We further use layer-by-layer stacking to fabricate a doped four-layer film and measure its sheet resistance at values as low as similar to 30 Omega square(-1) at similar to 90% transparency, which is superior to commercial transparent electrodes such as indium tin oxides. Graphene electrodes were incorporated into a fully functional touch-screen panel device capable of withstanding high strain."
This 2010 report from Nature Nanotechnology was cited 71
times in current journal articles indexed by
Clarivate during
March-April 2011, a considerable jump from its tally of 17 for the previous
bimonthly period of January-February. With its latest two-month total, the
report now registers as the third-most-cited paper published in the last
two years—aside from reviews—in the broad field of chemistry.
(Although, given that the report occupies the multidisciplinary world of
materials science, a significant portion of its current citations are also
coming from physics journals.) Prior to the most recent bimonthly count,
citations to the paper have accrued as follows:
January-February 2011: 17 citations
November-December 2010: 12
September-October 2010: 12
July-August 2010: 2
Total citations to date: 114
SOURCE: Hot Papers Database (Included with a subscription to the print newsletter Science Watch®, available from the Research Services Group of Thomson Reuters. Packaged on a CD that is mailed with each Science Watch issue, the Hot Papers Database contains data on hundreds of highly cited papers published during the last two years. User interface permits searching by author, organization, journal, field, and more. Total citations, as well as citations accrued during successive bimonthly periods, can be assessed and graphed.
Spotlighted Feature
Special Country Features:
Top 20 Countries:
Citations in Five-Year Increments, and the 10th annual list of the
Top 20 Countries in ALL
FIELDS, 2001-August 31, 2011.