Single crystalline mesoporous silicon nanowires.

  title={Single crystalline mesoporous silicon nanowires.},
  author={Allon I Hochbaum and Daniel J. Gargas and Yun Jeong Hwang and Peidong Yang},
  journal={Nano letters},
  volume={9 10},
Herein we demonstrate a novel electroless etching synthesis of monolithic, single-crystalline, mesoporous silicon nanowire arrays with a high surface area and luminescent properties consistent with conventional porous silicon materials. These porous nanowires also retain the crystallographic orientation of the wafer from which they are etched. Electron microscopy and diffraction confirm their single-crystallinity and reveal the silicon surrounding the pores is as thin as several nanometers… CONTINUE READING
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