Journal
JOURNAL OF PHYSICAL CHEMISTRY C
Volume 115, Issue 17, Pages 8547-8554Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jp200982w
Keywords
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Funding
- NSFC [10774003, 90626223, 20731162012]
- MOST of China [2007CB936200]
- Fundamental Research Funds for the Central Universities
- MOE
- National Foundation for Fostering Talents of Basic Science of China [J0630311]
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We present the first transport property investigation of a-few-nanometer-long armchair graphene nanoribbon (AGNR) p-n junctions by using first-principles method. Intriguingly, family dependent rectification is observed. To be specific, traditional rectification effect in the forward direction is observed in the AGNR p-n junctions with 3n and 3n + 2 widths, whereas reverse rectification effect is observed in the AGNR p-n junctions with 3n + 1 width. The analysis of the spatial distribution of molecular projected self-consistent Hamiltonian eigenstates and the projected density of states give an insight into the observed results.
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