By Sergio Pizzini

This day, the silicon feedstock for photovoltaic cells comes from approaches that have been initially constructed for the microelectronic undefined. It covers nearly ninety% of the photovoltaic industry, with mass creation quantity not less than one order of significance higher than these dedicated to microelectronics.

However, it's not easy to visualize that this type of feedstock (extremely natural yet seriously penalized by way of its excessive power fee) might stay the one resource of silicon for a photovoltaic marketplace that is in non-stop enlargement, and which has a cumulative development cost in far more than 30% within the previous couple of years. even if studies recommend that the silicon proportion will slowly reduce within the subsequent 20 years, discovering the way to manufacture a particular sunlight grade feedstock in huge amounts, at a good value whereas keeping the standard wanted, nonetheless continues to be a very important factor. skinny movie and quantum confinement-based silicon cells will be a complementary solution.

Advanced Silicon fabrics for Photovoltaic Applications has been designed to explain the complete prospects of silicon as a multipurpose fabric and covers:

  • Physical, chemical and structural homes of silicon
  • Production routes together with the promise of not pricey feedstock for PV applications
  • Defect engineering and the function of impurities and defects
  • Characterization concepts, and complex analytical ideas for steel and non-metallic impurities
  • Thin movie silicon and skinny movie sunlight cells
  • Innovative quantum results, and 3rd iteration sunlight cells

With contributions from the world over well-known experts, this booklet provides a accomplished research of the state of the art of procedure applied sciences and fabric houses, crucial for an individual drawn to the appliance and improvement of photovoltaics.

Chapter 1 Silicon technological know-how and expertise because the heritage of the present and destiny wisdom Society (pages 1–20): Sergio Pizzini
Chapter 2 tactics (pages 21–78): Bruno Ceccaroli and Sergio Pizzini
Chapter three position of Impurities in sun Silicon (pages 79–125): Gianluca Coletti, Daniel Macdonald and Deren Yang
Chapter four Gettering techniques and the position of prolonged Defects (pages 127–188): Michael Seibt and Vitaly Kveder
Chapter five complex Characterization ideas (pages 189–214): Anna Cavallini, Daniela Cavalcoli and Laura Polenta
Chapter 6 complicated Analytical strategies for Solar?Grade Feedstock (pages 215–234): Richard S. Hockett
Chapter 7 Thin?Film Deposition methods (pages 235–285): J. ok. Rath
Chapter eight Modeling of Thin?Film Deposition tactics (pages 287–310): Carlo Cavallotti
Chapter nine Thin?Film Silicon sun Cells (pages 311–353): J. okay. Rath
Chapter 10 cutting edge Quantum results in Silicon for Photovoltaic functions (pages 355–391): Zhizhong Yuan, Aleksei Anopchenko and Lorenzo Pavesi

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Additional info for Advanced Silicon Materials for Photovoltaic Applications

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Colombo, and A. LaMagna (2002) From point to extended defects in silicon: a theoretical study in: Defect Interaction and Clustering in Semiconductors, pp. 177–202 Scitec Publications Ltd Uetikon-Zuerich [50] T. Mchedlidze, S. Binetti, A. LeDonne, M. Suezawa, and S. Pizzini (2005) Rod-like defects in CZ-Si investigated by spin resonance and photoluminescence spectroscopies Physica Status Solidi C 2, 1807–1811. [51] T. Mchedlidze, S. Binetti, A. LeDonne, S. Pizzini, and M. Suezawa (2005) Electricdipole spin resonance signals related to extended interstitial agglomerates in silicon Journal of Applied Physics 98, 043507.

20) AlMF4 is supposed to find applications in aluminum foundries. Closed-loop process can hardly be envisaged, and sales of byproducts remain the sole option.

3) can produce more than 400 metric tons annually, with energy consumptions well below 100 kWh/kg. Fluidized-bed reactors (FBR) were an early alternative envisaged to replace or compete with hot-filament reactors. 5 m. Image supplied courtesy of Ralph Kienzler. Copyright (2011) Graeberconsult. 36 Advanced Silicon Materials for Photovoltaic Applications instance for gasoline production and coal gasification. Fluidized solid particles charged into a closed vessel may be either further grown or consumed, depending on the reactants in presence.

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