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Stabilization of mid-sized silicon nanoparticles by functionalization with acrylic acid

We present an enhanced method to form stable dispersions of medium-sized silicon nanoparticles for solar cell applications by thermally induced grafting of acrylic acid to the nanoparticle surface. In order to confirm their covalent attachment on the silicon nanoparticles and to assess the quality of the functionalization, X-ray photoelectron spectroscopy and diffuse reflectance infrared Fourier spectroscopy measurements were carried out. The stability of the dispersion was elucidated by dynamic light scattering and Zeta-potential measurements, showing no sign of degradation for months.

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Date Issued:
16.01.2012
URN:
urn:nbn:de:hbz:464-20180918-134731-8
DOI:
10.1186/1556-276X-7-76
Language:
English
Type of Resource:
Text
Keywords:
Acrylic Acid; Polyacrylic Acid; Silicon Nanoparticles; Drift Spectrum; Count Median Diameter
Collection:
E-Publications
Dewey Decimal Classification:
530 Physics
Subject categories of the Deutsche Nationalbibliografie:
530 Physics
Subject categories of the Deutsche Nationalbibliografie:
620 Engineering & allied operations
Hosting institution:
Faculty of Engineering, Maschinenbau und Verfahrenstechnik, Institute for Energy and Materials Processes (EMPI)
Hosting institution:
Faculty of Physics, Experimental Physics
Hosting institution:
Scientific institutes, Center for Nanointegration Duisburg-Essen (CENIDE)
Info on primary publication:
Nanoscale Research Letters, 2012, 7:76; Published: 16 January 2012
funding:
The publication of this article was supported by the Publication Fund of the University of Duisburg-Essen.

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© 2012 Bywalez et al.

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