[1] Uhlir A. Electrolytic shaping of germanium and silicon [J]. Bell System Technical Journal, 1956, 35(2): 333-347.

[2] Pickering C, Beale M I J, Bobbins D J, et al. Optical properties of porous silicon films [J]. Thin Solid Films, 1985, 125(1-2): 157-163.

[3] Canham L T. Silicon quantum wire array fabrication by electrochemical and chemical dissolution of wafers [J]. Applied Physics Letters, 1990, 57(10): 1046-1048.

[4] Ghoshal S K, Mohan D, Kassa T T, et al. Nanosilicon for photonic applications [J]. International Journal of Modern Physics B, 2007, 21(22): 3783-3796.

[5] Kislyuk V V, Dimitriev O P. Nanorods and nanotubes for solar cells [J]. Journal of Nanoscience and Nanotechnology, 2008, 8(1): 131-148.

[6] Ozdemir S, Gole J L. The potential of porous silicon gas sensors [J]. Current Opinion in Solid State & Materials Science, 2007, 11(5-6): 92-100.

[7] Shainline J M, Xu J. Silicon as an emissive optical medium [J]. Laser & Photonics Reviews, 2007, 1(4): 334-348.

[8] Wood S, Harris A T. Porous burners for lean-burn applications [J]. Progress in Energy and Combustion Science, 2008, 34(5): 667-684.

[9] Lee K Y, Fujimoto K, Ohkura S, et al. Study of electron field emission and structural properties of nanostructured carbon thin films deposited by hot-filament-assisted reactive sputtering using methane gas [J]. Vacuum, 2002, 66(3-4): 239-243.

[10] Mimura H, Miyajima K, Yokoo K. Electron emission from porous silicon planar emitters [J]. Journal of Vacuum Science & Technology B, 2003, 21(4): 1612-1615.

[11] Boswell E C, Huang M, Smith G D W, et al. Characterization of porous silicon field emitter properties [J]. Journal of Vacuum Science & Technology B, 1996, 14(3): 1895-1898.

[15] Vikulov V A, Strikha V I, Skryshevsky V A, et al. Electrical features of the metal-thin porous silicon-silicon structure [J]. Journal of Physics D-Applied Physics, 2000, 33(16):1957-1964.