Abstract
We have theoretically studied the electron transport properties in the phosphorene nanoribbons with different kinds of defects, including either single or multiple vacancies and substitutions, in comparison with otherwise perfect lattice. It is found that whether the transport channel would be destroyed or not is dependent on the defects' locations. If the defects locate on the original perfect current paths, the conductivity would decrease to zero at a certain Fermi energy. This is also confirmed by calculating the microscopic currents, which shows how the relative location, the number of defects and its severity affect the conductivity. The results are helpful for its application in the transport devices.
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