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NNIN at Penn State

CHEMICAL NANOFABRICATION & CHARACTERIZATION EQUIPMENT

BRUKER IFS 66/S FOURIER TRANSFORM INFRARED (FT-IR) SPECTROMETER & HYPERION 3000 FT-IR IMAGING MICROSCOPE

 

 

Equipment Configuration

 

Bruker IFS 66/S FT-IR Spectrometer

The IFS 66/S is a high performance research grade FT-IR spectrometer equipped with a wide range of sampling accessories. Through the use of interchangeable optical components, this spectrometer is capable of acquiring data over the near-IR (12,000-4,000 cm-1), mid-IR (4,000-400 cm-1), and far-IR (680-30 cm-1) regions.

 

Sampling Accessories:

 

Hyperion 3000 FT-IR Microscope

The Hyperion 3000 FT-IR microscope enables the acquisition of mid-IR spectra from very small (>10 µm) samples with diffraction limited spatial resolution. Various collection modes are available and include: transmission, specular reflectance, attenuated total reflectance, and reflection-absorption. The microscope is equipped with brightfield, darkfield, and fluorescence illumination as well as polarization capabilities to enhance contrast and facilitate sample visualization. In addition to single point measurements, the microscope possesses extensive mapping and imaging capabilities. Use of the single element MCT detector in conjunction with the computer controlled stage permits sample mapping with a positioning accuracy of ±3 µm . The 128 x 128 element focal plane array detector enables diffraction limited mid-IR imaging of areas as large as 340 x 340 µm.

 

Microscope Objectives:

 

 

Description

 

Infrared spectroscopy is useful for the identification of both organic and inorganic compounds. Aggregates of atoms (or functional groups) such as C=O, -NO2, C-N, and C-F; just to name a few, are all associated with characteristic infrared absorptions. Thus, infrared spectroscopy is ideal for the identification of functional groups present within a sample. FT-IR capabilities within the MCL are geared towards the analysis of solids (organic, inorganic, and biological) in a variety of forms to include: fibers, thin films, microtome cuts, particles, powders, coatings, residues, monolayers, and monolithic solids. With the recent acquisition of an infrared microscope MCL now has FT-IR mapping/imaging capabilities along with the capacity to perform infrared microanalysis on samples down to ~10 microns in size.