UV-Visible Nanoparticle Analysis
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UV-Visible spectroscopy (UV-Vis) measures the wavelength-dependent optical extinction of a sample. For nanoparticle dispersions, extinction includes contributions from both absorption and scattering. Nanoparticle spectra can be sensitive to particle size, shape, concentration, aggregation state, and the refractive index surrounding the particle, making UV-Vis a valuable tool for characterizing and monitoring nanomaterials.
At nanoComposix, spectral analysis is performed with an Agilent 8453 single-beam diode array spectrometer, which collects spectra from 200–1100 nm using a 1 nm slit width. Deuterium and tungsten lamps provide illumination across the ultraviolet, visible, and near-infrared spectrum.
Technical Resources
- UV-Vis Spectroscopy Measurement and Analysis Guide
- Example Data Report
- UV-Vis Data Analysis Spreadsheet
- Mie Theory Calculator
Service Levels
- Standard: Please allow 5–10 business days; actual lead times may vary
- Expedited: Please allow 2–5 business days; contact us if you require service faster than 5 business days