Role of Hydrogen in Films а-Si1-X Gex: H (X=0÷1) used as Solar
Journal Title: Physical Science & Biophysics Journal - Year 2018, Vol 2, Issue 1
Abstract
Infrared (IR) absorption spectra are investigated hydrogenated amorphous solid solution films a-Si1-xGex: H (x = 0 ÷ 1) plasma chemical vapor deposition at different partial pressures of hydrogen PH2. Defined force, oscillator, which essentially depend on PH2. It is shown that the hydrogen contained in films mostly in the forms of GeH, SiH. Using integrated acquisitions JW, determined the amount of hydrogen in the films. Film properties depend on the composition and level of hydrogenation. The number of hydrogen atoms in films, varied by changing the composition of the gas mixture. In the work measured IR absorption for films a-Si1-xGex: H, a-Ge: H and a-Si0,88Ge0, 12: h. based on films and a-Si: H and a-Si0,88Ge0, 12: H fabricated three-layer solar cells with an area of item 1.3 cm2 and efficiency equal to ~ 9.5%.
Authors and Affiliations
Najafov BA, Isakov QI and Abasov FP*
Keywords
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- EP ID EP746261
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Role of Hydrogen in Films а-Si1-X Gex: H (X=0÷1) used as Solar
Infrared (IR) absorption spectra are investigated hydrogenated amorphous solid solution films a-Si1-xGex: H (x = 0 ÷ 1) plasma chemical vapor deposition at different partial pressures of hydrogen PH2. Defined force, osc...