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Title: Natural Biopolymers: Novel Templates for the Synthesis of Nanostructures

Source: Langmuir 2010, 26(11), 8497-8502; 2010

Author(s)Padalkar, Sonal; Capadona, J.R.; Rowan, S.J.; Weder, C.; Won, Yu-Ho; Stanciu, Lia A.; Moon, Robert J.

Publication Year: 2010  View PDF »

Category: Journal Articles
Associated Research Project(s):   FPL-4707-2A

Abstract: Biological systems such as proteins, viruses, and DNA have been most often reported to be used as templates for the synthesis of functional nanomaterials, but the properties of widely available biopolymers, such as cellulose, have beenmuch less exploited for this purpose. Here, we report for the first time that cellulose nanocrystals (CNC) have thecapacity to assist in the synthesis of metallic nanoparticle chains. A cationic surfactant, cetyltrimethylammoniumbromide (CTAB), was critical to nanoparticle stabilization and CNC surface modification. Silver, gold, copper, andplatinum nanoparticles were synthesized on CNCs, and the nanoparticle density and particle size were controlled byvarying the concentration of CTAB, the pH of the salt solution, and the reduction time.

Keywords: Nanotechnology, nanostructured materials, biopolymers, biosynthesis, cellulose, biotechnology, nanocrystals, crystalline cellulose, nanoparticles, surface active agents, silver, gold, platinum, copper, salts, heavy metals, cations, Tunicata, sea squirts, Styela, crystallization, nanometals, Cetyltrimethylammonium bromide, CTAB, surface properties, particle sizes.

Publication Review Process: Formally Refereed

File size: 839 kb(s)

Date posted: 07/28/2010

This publication is also viewable on Treesearch:  view
RITS Product ID: 35623
Current FPL Scientist associated with this product
Moon, Robert J.
Materials Research Engineer
  

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