Facilities and Equipments

Facilities and Equipment

Laboratory Facilities | Department and University Facilities

ULTRAFAST LASERS

Femtosecond Ti-Sapphire Regenerative Amplifier.

Picosecond/Femtosecond Ti:Sapphire Regenerative Amplifier (BMI/Coherent) 1 kHz, 0.8 mJ used to pump Infrared Optical Parametric Amplifier (OPA) 0.1-4 psec. 1.1 -3 µm, > 10 µJ, for Linear and Nonlinear (SHG, SFG) Optical Spectroscopy and Dynamics experiments.
Nanosecond Nd.YLF. 527 nm, 1054 nm, 10 mJ, single shot - 5 kHz.
Ultrashort (<25 fs) Ti:Sapphire Oscillator, tunable from 725-930 nm (< 100 fs) and harmonics, for Linear and Nonlinear (SHG, SFG) Optical Spectroscopy and Dynamics experiments.
Femtosecond Ti:Sapphire Regenerative Amplifier (Quantronix) 1 kHz, 3.5 mJ used to pump Infrared Optical Parametric Amplifier (OPA) 1.1 -5 µm > 30 µJ, 5 -15 µm > 30 µJ, 1 kHz, for Linear and Nonlinear (SHG, SFG) Optical Spectroscopy and Dynamics experiments.
Optics, photon detection equipment (APD, CCD, IR detectors), spectrographs, data acquisition and analysis.

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SCANNING TUNNELING/ATOMIC FORCE MICROSCOPES

Two Scanning Tunneling/Atomic Force Microscopes (Molecular Imaging) especially adapted for imaging in ambient and under liquid/electrochemical environment and current sensing AFM.
Electrochemical Potentiostat, Bipotentiostat and Galvanostat.
Spectro-electrochemical cells.
Ultrahigh vacuum chamber equipped for Temperature Programmed Desorption (300 amu Quadrupole Mass Spectrometer) and Differential Reflectance Spectroscopy.
FTIR (Brucker Tensor 27) for transmission IR and DRIFTS studies.

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CHI 600C Electrochemical Workstation

Measurement scales:
Potential range: ±10 V

Current range: 0.1 A ~ pA

Techniques included:

Cyclic Voltammetry
Chronoamperometry
Chronocoulometry
Differential Pulse Voltammetry
Normal Pulse Voltammetry
Square Wave Voltammetry
Amperometric i-t Curve
Differential Pulse Amperometry
Double Differential Pulse Amperometry
Open Circuit Potential-time

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Princeton Potentiostat Model 273A

Measurement scales:
Potential range: ±10 V

Current range: 1 A ~ 100 nA

Techniques included:

Cyclic Voltammetry
Chronoamperometry

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Omni-101 Microprocessor-Controlled Potentiostat

Measurement scales:
Potential range:

Current range: 0.1 A ~ 100 nA

Techniques included:

Cyclic Voltammetry

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Electron Probe, X-Ray Microanalyzer
(JEOL, JXA-733)

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Laboratory Facilities: Physical Space

Renovated Laser Laboratory space (Laser lab >100 m²) providing temperature, humidity and dust control for state-of-the-art laser facility.
Renovated microscopy laboratory providing temperature, humidity and dust control for state-of-the-art microscopy (AFM, STM).
Renovated wet chemistry laboratories with Nanopure water supplies.

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Departmental and University Facilities

The equipment in the Department is generally available for use by all graduate students and faculty. Usually, it is maintained by a particular research group or one of the Departmental Technicans. The operation and care of equipment is considered integral to the education of graduate students.

Nuclear Magnetic Resonance Spectrometers

GN 500 MHz NMR (multinuclear), 2D, variable temperature and Sun workstation for all nuclei.
QE 300 MHz NMR, 2D, variable temperature for proton and carbon.
Bruker WM-400 MHz NMR (quad probe), 2D, variable temperature
Varian 60 MHz for proton and fluorine.

Infrared Spectrophotometers

Digilab FTS-40 FT-IR
Nicolet 670
Nicolet 20SX FT-IR variable temperature.
Mattson Cygnus 100 FT-IR with mid, near and far IR optics
Mattson 4020 and 4040 FT-IT spectrometers for routine midrange use (3)

Mass Spectrometers

Hewlett-Packard 6890 GC-MS
Hewlett-Packard 5995c GC-MS

Ultraviolet Spectrometers

Hewlett-Packard 8450 UV/VIS
Perkin Elmer 330 variable temperature with P-E 3600 Data Station
Perkin Elmer P4
Jasco V570 UV-VIS-NIR

Raman Spectrometers

Laser Raman Spectrometer with microprobe and variable temperature attachments
FT-Raman Spectrometer, variable temperature and pressure attachments

Fluorescence Spectrometers

Molecular Fluorescence Spectrometer MPF66
Jobin Yvon Fluoromax2
Jasco FP-750

Gas Chromatographs

Buck Scientific 910 (polar column)
Buck Scientific 910 (nonpolar column)

Atomic Absorption/Emission Spectrophotometers

Buck Scientific Atomic Absorption/Emission Spectrophotometer (2) Model 200-A

Other Major Equipment

Bruker EMX-200R Electron Spin Resonance Spectrometer variable temperature (10K-600K), field frequency controller, programmable gaussmeter and IBM 9000 computer system.
Enraf Nonius CAD-4 Single Crystal X-ray Diffractometer variable temperature capabilities.
Differential Scanning Calorimeter/Thermal Gravimetric Analyzer
Instron model 1122 Mechanical Tester, computer controlled.

Ultrafast Lasers

The department has one of the largest collections of ultrafast lasers, based on Ti:sapphire Oscillators and Regenerative Amplifiers, as well as Optical Parametric Amplifiers, in the Mid-Atlantic region. These laser are used in CAPR and the Borguet, Dai, Levis, and Stanley groups.

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