Self-assembly and alignment of semiconductor nanoparticles on cellulose nanocrystals |
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| Authors: | Sonal Padalkar Jeff R Capadona Stuart J Rowan Christoph Weder Robert J Moon Lia A Stanciu |
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| Affiliation: | (1) School of Materials Engineering, Purdue University, West Lafayette, IN 47907, USA;(2) Birck Nanotechnology Center, Purdue University, West Lafayette, IN 47907, USA;(3) Rehabilitation Research and Development, Louis Stokes Cleveland DVA Medical Center, 10701 East Blvd., Cleveland, OH 44106, USA;(4) Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH 44106, USA;(5) Department of Macromolecular Science and Engineering, Case Western Reserve University, Cleveland, OH 44106, USA;(6) Department of Chemistry, Case Western Reserve University, Cleveland, OH 44106, USA;(7) Adolphe Merkle Institute and Fribourg Center for Nanomaterials, University of Fribourg, CH-1700 Fribourg, Switzerland;(8) US Forest Service, Forest Products Laboratory, Madison, WI 53726, USA |
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| Abstract: | The synthesis of cadmium sulfide (CdS), zinc sulfide (ZnS), and lead sulfide (PbS) nanoparticle chains on cellulose nanocrystal
(CNC) templates can be accomplished by the reaction of the precursor salts. The use of a cationic surfactant, cetyltrimethylammonium
bromide (CTAB), was critical for the synthesis of well-defined semiconductor nanoparticle chains on the surface of the CNCs.
The semiconductor nanoparticle particle size and packing density on CNC surface could be controlled by the variation of the
precursor concentration and the pH of the salt solution. |
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