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Asta Tamuleviciene, Šarunas Meškinis, Vitoldas Kopustinskas, Sigitas Tamulevičius

Multilayer amorphous hydrogenated carbon (a-C:H) and SiOx doped a-C:H films for optical applications

Thin Solid Films 519 (2011) 4004-4007

In this study SiOx doped amorphous hydrogenated carbon (a-C:H) films were formed from hexamethyldisiloxane (with hydrogen transport gas) by closed drift ion beam deposition applying variable ion beam energy (300-800 eV). The band gap dependence on the deposition energy was determined and used in production of SiOx doped a-C:H and a-C:H (formed from acetylene gas) multilayer (two and four layers) stack. Optical properties of the multilayer structures as well as individual layers were analysed in the UV-VIS-NIR range (200-1000 nm). It was shown that employing double or four layer systems, the reflectivity of the multilayer structure-crystalline silicon can be tuned to almost 0% at specific wavelength range (550-950 nm), important in solar cell applications.

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Cited Articles

  1. Zajíčková L., Buršíková V., Peřina V., Macková A., Janča J.,
    Correlation Between SiOx Content and Properties of DLC : SiOx Films Prepared by PECVD,
    Surface and Coatings Technology 174 (2003) 281–285
  2. Franta D., Ohlídal I., Buršíková V., Zajíčková L.,
    Optical properties of diamond-like carbon films containing SiOx,
    Diamond and Related Materials 12 (2003) 1532–1538
  3. Buršíková V., Sládek P., Sťahel P., Zajíčková L.,
    Improvement of the Efficiency of the Silicon Solar Cells by Silicon Incorporated Diamond-Like Carbon Antireflective Coatings,
    Journal of Non-Crystalline Solids 299 (2002) 1147–1151
  4. Zajíčková L., Buršíková V., Peřina V., Macková A., Subedi D. P., Janča J.,
    Plasma Modification of Polycarbonates,
    Surface and Coatings Technology 142 (2001) 449–454