Journal
INTERNATIONAL JOURNAL OF NANOTECHNOLOGY
Volume 1, Issue 1-2, Pages 86-104Publisher
INDERSCIENCE ENTERPRISES LTD
DOI: 10.1504/IJNT.2004.003713
Keywords
selenium; tellurium; silver selenide; chalcogen; chalcogenide; nano-wire; nanorod; nanotube; template-engaged synthesis
Funding
- NSF [DMR-9983893, DGE-9987620]
- David and Lucile Packard Foundation
- Alfred P. Sloan Foundation
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This paper present, ail overview of solution-phase methods for generating one-dimensional (1D) nanostructures of chalcogens and chalcogenides. The first part describes, self-seeding techniques for the formation Of pore Se, pure Te, and alloy nanostructures. Se and Te are interesting for their inherent properties such as chirality, photoconductivity, piezoelectricity, and high reactivity. The specific morphology (i.e., nanowires. nanorods, and nano-tubes) and dimensions of these nanostructures could be tightly controlled. The second part describes a versatile template-engaged technique for topotactic transformation of chalcogen nanostructures into chalcogenides. This transfor-mation enables the formation of 1D nanostructures of materials that do not have intrinsically anisotropic crystal structure. These 1D nanostructures will play ail important role in the fabrication of nanoscale devices and ill the study of electronic size-confinement effects.
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