Architecture of CuS/PbS
Heterojunction Semiconductor Nanowire Arrays for Electrical Switches
and Diodes
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Abstract
CuS/PbS p–n heterojunction nanowires arrays have
been successfully synthesized. Association of template and DC power
sources by controllable electrochemistry processes offers a technique
platform to efficiently grow a combined heterojunction nanowire arrays
driven by a minimization of interfacial energy. The resulting p–n
junction materials of CuS/PbS show highly uniform 1D wire architecture.
The single CuS/PbS p–n heterojunction nanowire based devices
were fabricated, and their electrical behaviors were investigated.
The independent nanowires exhibited a very high ON/OFF ratio of 1195,
due to the association effect of electrical switches and diodes