Synthesis of PbS/SiO2 Nanocomposites Using 3-Mercaptopropyltrimethoxysilane as a Bifunctional Linker Molecule and Determination of the Formation Pathway

Anne C McDermott, Tennessee State University

Abstract

PbS/SiO2 nanocomposites were synthesized from the co-hydrolysis and condensation of tetraethylorthosilicate (TEOS) and 3-mercaptopropyltrimethoxysilane (MPTMS) followed by the addition of lead acetate, forming precursor gels containing covalently incorporated lead thiolate complexes. Pyrolysis of the precursor silica gels in a N2 atmosphere formed PbS nanoclusters dispersed throughout a silica xerogel matrix. The formation pathway was characterized by optical absorption, powder X-ray diffraction (XRD), infrared spectroscopy (IR), and transmission electron microscopy (TEM).^

Subject Area

Engineering, Chemical|Nanoscience|Engineering, Materials Science

Recommended Citation

Anne C McDermott, "Synthesis of PbS/SiO2 Nanocomposites Using 3-Mercaptopropyltrimethoxysilane as a Bifunctional Linker Molecule and Determination of the Formation Pathway" (2011). ETD Collection for Tennessee State University. Paper AAI1502731.
http://digitalscholarship.tnstate.edu/dissertations/AAI1502731

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