By Sergio Pizzini
This day, the silicon feedstock for photovoltaic cells comes from techniques which have been initially constructed for the microelectronic undefined. It covers virtually ninety% of the photovoltaic marketplace, with mass creation quantity not less than one order of significance greater than these dedicated to microelectronics.
However, it really is not easy to visualize that this sort of feedstock (extremely natural yet seriously penalized by means of its excessive power expense) may well stay the one resource of silicon for a photovoltaic industry that is in non-stop enlargement, and which has a cumulative development price in way over 30% within the previous few years. even supposing reviews recommend that the silicon percentage will slowly lessen within the subsequent two decades, discovering the way to manufacture a particular sunlight grade feedstock in huge amounts, at a within your means whereas retaining the standard wanted, nonetheless continues to be an important factor. skinny movie and quantum confinement-based silicon cells should be a complementary solution.
Advanced Silicon fabrics for Photovoltaic Applications has been designed to explain the total possibilities of silicon as a multipurpose fabric and covers:
- Physical, chemical and structural houses of silicon
- Production routes together with the promise of most economical feedstock for PV applications
- Defect engineering and the function of impurities and defects
- Characterization suggestions, and complicated analytical concepts for metal and non-metallic impurities
- Thin movie silicon and skinny movie sunlight cells
- Innovative quantum results, and 3rd new release sunlight cells
With contributions from the world over famous professionals, this booklet provides a finished research of the cutting-edge of technique applied sciences and fabric homes, crucial for a person attracted to the applying and improvement of photovoltaics.
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Additional resources for Advanced Silicon Materials for Photovoltaic Applications
Wolf, R. N. Tauber Silicon Processing for the VLSI Era, (1986) Lattice Press, California. E. H. Nicollian, J. R. Brews MOS (Metal oxide semiconductor) Physics and Technology (1982) John Wiley & Sons, New York. S. M. Sze Semiconductor Devices: Physics and Technology (2008) 2nd edn, Wiley India Pvt Ltd, India. A. Luque and S. Hegedus (2003) Handbook of Photovoltaic Science and Engineering John Wiley & Sons, Ltd. T. Markvart and L. Castaﬁer (2003) Practical Handbook of Photovoltaics: Fundamentals and Applications Elsevier, UK.
Lebedev, G. Van Tendeloo, and V. V. Moshchalkov (2008) Classiﬁcation and control of the origin of photoluminescence from Si nanocrystals Nature Nanotechnology 3, 174–178.  T. Z. Lu, M. Alexe, R. Sholz, V. Talalaev, R. J. Zhang, and M. Zacharias (2006) Si nanocrystals based memories: effect of the nanocrystal density Journal of Applied Physics 100, 014310.  L. Tsybeskov (1998) Nanocrystalline silicon for optoelectronic applications MRS Bulletin 23, 33–38.  L. Pavesi, L. DelNegro, C. Mazzoleni, G.
Fractional evaporation or condensation of a volatile silicon compound, mainly practiced in distillation or rectiﬁcation, appeared in the early stage of the semiconductor industry, and still seem to be the unique straightforward methods to achieve ultrahigh purity. After puriﬁcation, the volatile silicon compound molecules are reduced either thermally or chemically to elemental silicon while their high purity is preserved. This latter process leads to by-products that for environmental and economical reasons need to be recovered, recycled or disposed off.