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Advanced Materials

Fabrication of Large-Area Silicon Nanowire p–n Junction Diode Arrays

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  • This work was supported by the National Natural Science Foundation, National 973 Project of the Republic of China, and 985 Project of Tsinghua University.

Abstract

Large-area silicon nanowire p–n junction diode arrays (see Figure) have been fabricated by chemical etching of planar silicon p–n junction wafers in aqueous HF solution that contains appropriate amounts of silver nitrate near room temperature. The I–V characteristics have been measured using current-sensing atomic force microscopy, and nonlinear and rectifying electrical transport behavior has been observed.

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