Please use this identifier to cite or link to this item: http://lib.jncasr.ac.in:8080/jspui/handle/10572/648
Title: An Investigation of Two-Dimensional Arrays of Thiolized Pd Nanocrystals
Authors: Thomas, P John
Kulkarni, G U
Rao, C N R
Keywords: Palladium Nanoparticles
Crystal-Structures
Self-Organization
Gold
Superlattices
Particles
Silver
Molecules
Clusters
Spheres
Issue Date: 31-Aug-2000
Publisher: American Chemical Society
Citation: Journal Of Physical Chemistry B 104(34), 8138-8144 (2000)
Abstract: Two-dimensional arrays of Pd nanocrystals of varying diameters (1.8-6.0 nm) have been obtained after thiolization with alkane thiols of different chain lengths (C-4-C-16) The stability and structure of these arrays have been explained in terms of the ratio of the particle diameter (d) and the alkane chain length (l). The experimental d-l phase diagram finds support from model calculations, which treat the thiolized nanocrystals as soft spheres. Generally, a till value between 1.5 and 3.8 gives crystalline arrays extended over several microns. For d/l values smaller than 1.5 and greater than 4.0, the nanocrystal arrays are disordered or form low-order structures.
Description: Restricted Access
URI: http://hdl.handle.net/10572/648
Other Identifiers: 1089-5647
Appears in Collections:Research Papers (Prof. C.N.R. Rao)

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