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Reports from CREST Research Project Highlight Recent Findings in Nanoparticles (Fabrication of Si nanoparticles from Si swarf and application to...

September 12, 2014



Reports from CREST Research Project Highlight Recent Findings in Nanoparticles (Fabrication of Si nanoparticles from Si swarf and application to solar cells)

By a News Reporter-Staff News Editor at Science Letter -- Investigators discuss new findings in Nanoparticles. According to news reporting from Ibaraki, Japan, by NewsRx journalists, research stated, "Si nanoparticles with diameter of 1-20 nm have been fabricated from Si swarf by use of a beads milling method."

The news correspondents obtained a quote from the research from CREST Research Project, "Treatment with dilute hydrofluoric acid stabilizes Si nanoparticles, and the thickness of the SiO2 layer formed by leaving nanoparticles in air for one week is only 1.2 nm. p-Si nanoparticles/crystalline n-Si structure shows rectifying behavior, indicating formation of pn-junction."

According to the news reporters, the research concluded: "Treatment with nitric acid followed by heating at 900 degrees C greatly decreases series resistance, showing that the ultrathin SiO2 layer formed by nitric acid oxidation melts and is bound to surrounding nanoparticles. p-type Si nanoparticles/n-type crystalline Si structure shows rectifying behavior and the photovoltaic effect, indicating that Si nanoparticles are applicable to solar cells."

For more information on this research see: Fabrication of Si nanoparticles from Si swarf and application to solar cells. Applied Surface Science, 2014;312():39-42. Applied Surface Science can be contacted at: Elsevier Science Bv, PO Box 211, 1000 Ae Amsterdam, Netherlands. (Elsevier - www.elsevier.com; Applied Surface Science - www.elsevier.com/wps/product/cws_home/505669)

Our news journalists report that additional information may be obtained by contacting M. Maeda, Japan Sci & Technol Agcy, CREST, Ibaraki 5670047, Japan. Additional authors for this research include K. Imamura, T. Matsumoto and H. Kobayashi (see also Nanoparticles).

Keywords for this news article include: Ibaraki, Japan, Asia, Chemicals, Chemistry, Emerging Technologies, Nanoparticle, Nanoparticles, Nanotechnology, Nitric Acid

Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2014, NewsRx LLC


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Source: Science Letter


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