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We demonstrate a graphene/nanotube hybrid phototransistor, in which photogating provided by the nanotube layer leads to a dramatically enhanced photoresponsivity (>100A/W) in the visible range, corresponding to ∼104 enhancement with respect to a graphene-only device.
A photodetector based on SWNT-graphene hybrid films and facile fabrication steps is demonstrated, which exhibits a remarkably high photoresponsivity of ∼ 100 A/W, across visible (400 nm) to the telecommunication wavelengths (1550 nm).
In this paper, we have reviewed the experimental and theoretical studies on pressure-induced polygonization, ovalization, racetrack-shape deformation, and polymerization of carbon nanotubes (CNTs). The corresponding electronic, optical, and mechanical changes accompanying these behaviors have been discussed. The transformations of armchair (n, n) CNT bundles (n = 2, 3, 4, 6, and 8) under hydrostatic...
This paper investigates the microstructure and wear resistance of nickel–carbon nanotube (CNT) composite coating deposited by brush plating technique. The Ni/CNT coating deposited with a pulse current source has less porosity, higher hardness and higher wear resistance than that with a DC source. CNTs greatly improve the coating performance. The wear mechanism is mainly the smearing of the Ni/CNTs...
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