Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 133, Issue 40, Pages 16072-16079Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja2037854
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Funding
- National Science Foundation (CBET)
- Air Force Office of Scientific Research (MURI)
- Royal Society (London)
- Hong Kong Polytechnic University [A-PJ50, A-PH93, A-PD1U]
- National Natural Science Foundation of China [10725418, 10734090, 10990104]
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We propose integrating graphene nanoribbons (GNRs) onto a substrate in an upright position whereby they are chemically bound to the substrate at the basal edge. Extensive ab initio calculations show that both nickel (Ni)- and diamond-supported upright GNRs are feasible for synthesis and are mechanically robust. Moreover, the substrate-supported GNRs display electronic and magnetic properties nearly the same as those of free-standing GNRs. Due to the extremely small footprint of an upright GNR on a substrate, standing GNRs are ideal building blocks for synthesis of subnanometer electronic or spintronic devices. Theoretically, standing GNR-based microchips with field-effect transistor (FET) densities up to 10(13) per cm(2) are achievable.
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