Since its invention in the 1950s, semiconductor solar cell technology has evolved in great
leaps and bounds. Solar power is now being considered as a serious leading contender for …

Polycrystalline silicon (commonly called" polysilicon") is the material of choice for
photovoltaic (PV) applications. Polysilicon is the purest synthetic material on the market …

The minority-carrier lifetime in p-type solar-grade silicon (SoG-Si) produced by Elkem Solar
was investigated after different types of heat treatment. Two groups of samples differing by …

Crystal growth can significantly contribute to achieve the ambitious goal of generating more
than 10% of the worldwide energy production by photovoltaic systems within the next 10 …

Elkem Solar has worked with a simplification of their metallurgical refining route for Solar
Grade silicon. This involves removing the two last process steps, the directional solidification …

An electron beam melting (EBM) system was fabricated to investigate its effectiveness in the
refining of metallurgical grade silicon. The metallurgical refining of silicon is a promising …

Upgraded metallurgical-grade silicon (UMG-Si) has the potential to reduce the cost of
photovoltaic (PV) technology and improve its environmental profile. In this contribution, we …

Hydrogenation processes can offer improvements to the electrical performance of silicon (Si)
solar cells from different feedstocks, including low-cost feedstocks, such as upgraded …

Lumineszenz-Imaging – vom Block zum Modul Page 1 FRAUNHOFER INSTITUT F²R
SOLARE ENERGIESYSTEME ISE FRAUNHOFER VERLAG Jonas Haunschild …

Alternative feedstock production routes avoiding the gaseous phase during the purification
of the silicon result in significantly increased boron and phosphorus concentrations, which …