Characterization of Nanomaterials

 The chemical composition and structure of nanomaterials are the key factors that determine their properties and applications. Characterization and testing technology is the fundamental way to scientifically identify nanomaterials, recognize their diverse structures, and evaluate their special properties. It is also an indispensable technical means for the healthy and sustainable development of the nanomaterials industry. The main purpose of the characterization of nanomaterials is to determine some of the physical and chemical characteristics of nanomaterials, such as morphology, size, particle size, chemical composition, crystal structure, band gap width, and light absorption characteristics, etc.

Environmental Testing Services

Alfa Chemistry's nanotechnology scientists are highly experienced in providing a range of advanced techniques to study nanomaterials. These unparalleled characterization services ensure that clients gain detailed information about their nanotechnology application.

The following lists key nano-parameters and the respective techniques we used:

ParameterMethod(s)
Elemental Composition

  • Atomic Absorption Spectroscopy (AAS)

  • Energy-dispersive X-ray Spectroscopy (EDX)

  • Inductively Coupled Plasma Mass Spectrometry (ICP-MS)

  • Fourier Transform Infrared Spectroscopy (FTIR)

  • Mass Spectrometry (MS)

  • Nuclear Magnetic Resonance (NMR)

  • X-ray Photoelectron Spectroscopy (XPS)

Surface Chemistry/Functionalisation

  • Atomic Absorption Spectroscopy (AAS)

  • FTIR

  • Gas Chromatography/Liquid Chromatography Mass Spectrometry (GC/LC-MS)

  • High Performance Liquid Chromatography (HPLC)

  • NMR

  • Ultraviolet Visible Spectroscopy (UV-Vis)

  • XPS

  • X-ray Diffraction (XRD)

  • Zeta Potential

Crystallinity

  • X-ray Diffraction (XRD)

  • Raman Spectroscopy

  • Thermogravimetric Analysis (TGA)

Morphology

  • Atomic Force Microscopy (AFM)

  • Disc Centrifugation

  • Dynamic Light Scattering (DLS)

  • Field Flow Fractionation (FFF)

  • HPLC

  • Scanning Electron Microscopy (SEM)

  • Transmission Electron Microscopy (TEM)

Size/Aggregation State

  • AFM

  • TEM

  • SEM

  • Small Angle X-ray Scattering (SAXS)

  • NMR

  • XRD

Surface Area

  • Brunauer-Emmett-Teller (BET)

Concentration

  • AAS

  • GC/LC-MS

  • HPLC

  • ICP-MS

  • TGA

  • UV-Vis

Solubility

  • Dialysis

  • Inductively Coupled Plasma (ICP)

  • Tangential Flow Filtration (TFF)

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