Nanoparticles and nanowires: synchrotron spectroscopy studies

Journal Article · Mon Aug 11 04:00:00 EDT 2008 · Int. J. Nanotech.

DOI:https://doi.org/10.1504/IJNT.2008.019837· OSTI ID:1006764

Sham, T K ^[1]

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1. UWO

This paper reviews the research in nanomaterials conducted in our laboratory in the last decade using conventional and synchrotron radiation techniques. While preparative and conventional characterisation techniques are described, emphasis is placed on the analysis of nanomaterials using synchrotron radiation. Materials of primary interests are metal nanoparticles and semiconductor nanowires and nanoribbons. Synchrotron techniques based on absorption spectroscopy such as X-ray absorption fine structures (XAFS), which includes X-ray absorption near edge structures (XANES) and extended X-ray absorption fine structures (EXFAS), and de-excitation spectroscopy, including X-ray excited optical luminescence (XEOL), time-resolved X-ray excited optical luminescence (TRXEOL) and X-ray emission spectroscopy (XES) are described. We show that the tunability, brightness, polarisation and time structure of synchrotron radiation are providing unprecedented capabilities for nanomaterials analysis. Synchrotron studies of prototype systems such as gold nanoparticles, 1-D nanowires of group IV materials, C, Si and Ge as well as nanodiamond, and compound semiconductors, ZnS, CdS, ZnO and related materials are used to illustrate the power and unique capabilities of synchrotron spectroscopy in the characterisation of local structure, electronic structure and optical properties of nanomaterials.

• Research Organization: Advanced Photon Source (APS), Argonne National Laboratory (ANL), Argonne, IL (US)
• Sponsoring Organization: USDOE
• OSTI ID: 1006764
• Journal Information: Int. J. Nanotech., Journal Name: Int. J. Nanotech. Journal Issue: (9/10/11/12) ; 2008 Vol. 5
• Country of Publication: United States
• Language: ENGLISH

Related Subjects

36 MATERIALS SCIENCE
77 NANOSCIENCE AND NANOTECHNOLOGY
ELECTRONIC STRUCTURE
LUMINESCENCE
NANOSTRUCTURES
OPTICAL PROPERTIES
PARTICULATES
QUANTUM WIRES
SPECTROSCOPY
SYNCHROTRON RADIATION
TECHNOLOGY ASSESSMENT