Light Enhanced Hydrofluoric Acid Passivation: A Sensitive Technique for Detecting Bulk Silicon Defects

Influence and passivation of extended crystallographic defects in polycrystalline silicon

2014 Influence and passivation of extended crystallographic defects are investigated in large grained polycrystalline silicon wafers and N+ P solar cells. When the mean grain size exceeds 1 mm, the influence of intragrain defects becomes predominant. It was found that the defects have not by themselves a noticeable recombination activity and that the segregation of impurities (oxygen...), could...

Hydrofluoric acid.

Investigations of Nano-Porous Silicon Formation Through Electrochemical Anodisation of Silicon in Hydrofluoric Acid

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A Technique for Improving Web Mining using Enhanced Genetic Algorithm

World Wide Web is growing at a very fast pace and makes a lot of information available to the public. Search engines used conventional methods to retrieve information on the Web; however, the search results of these engines are still able to be refined and their accuracy is not high enough. One of the methods for web mining is evolutionary algorithms which search according to the user interests...

Etching with Hydrofluoric Acid

Photoresists, wafers, plating solutions, etchants and solvents ... Phone: +49 731 977343 0 www.microchemicals.eu [email protected] Etching of SiO2, Quartz, and Glasses with HF Hydrofluoric acid is the only etchant which attacks amorphous SiO2, quartz, or glasses at significant high etch rate. However, HF is not only a strong corrosive, but also highly toxic towards higher concentrations: ...