The Discover SP Microwave synthesizer (CEM) allows for rapid heating of solvents up to 300 °C and pressures up to 300 psi. Reaction vessels can be prepared in a glovebox and will maintain inert environment while capped allowing for air free synthesis. Reaction conditions are monitored over time through software and can be saved for comparison between syntheses. Reactions are rapidly cooled down following synthesis by flowing compressed air around the reaction vessel. The system is also equipped with an autosampler accessory that enables automatic handling of reaction vessels allowing for different experiments to be programmed and performed automatically.
Capabilities
- Large, single-mode microwave cavity (uses glassware up to 35 mL, pressurized; 125 mL, open vessel round bottom flask) Activent® vent and re-seal technology allows for safe handling of over-pressurization
- Highly accurate infrared temperature control for reliable data
- Variable-speed magnetic stirring
- Rapid compressed air cooling for quick cool-downs
Location
NanoES G61
Primary Contact
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Specifications and Research Highlights
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The MEM·C Facilities feature a custom-built, integrated system tailored for creating, probing and stacking air-sensitive 2D materials. The entire 2D production line, turning crystals into encapsulated stacked heterostructures, is fully contained in a connected chain of Ar-filled glove boxes (<0.1 ppm O2 and H2O).
There are two 8 glove-glove box workstations in the MSF room, each houses a fully automated HQ Graphene transfer stage, hotplate, and sample storage. One of the gloveboxes also houses the Bruker Edge AFM.
The HQ Graphene stages are primarily confiuged for VdW heterostructure fabrication but the setup is amenable to a wider range of nanomanipulation needs (i.e. device surgery using needle probes).
Additionally, the 2D Foundry includes a 4-glove solvent glovebox with a microscope, wide array of general use moisture-free solvents (IPA, Acetone, DCM, NMP) for air sensitive wash-off procedures.
Location
NanoES G65B
Primary Contact
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Specifications and Research Highlights
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Boehler-Almax plate DAC with gas membrane for pneumatic pressure control. This DAC features a gas membrane which allows for simple pressure manipulation meaning the user can easily acquire data at a variety of pressure points. The device can easily integrate with the Edinburgh Fluorometer via a microscope for luminescence and lifetime measurements. The setup also contains a high-precision microdriller for drilling of DAC gaskets through electric discharge machining.
Capabilities
- Pneumatic pressure control
Location
NanoES G65B
Primary Contact
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Specifications and Research Highlights
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This custom XES instrument consists of two independent, integrated spectrometers simultaneously measuring phosphorus Kα and Kβ XES. While the Kα XES gives information on oxidation state distribution, the Kβ XES gives additional information about electronic structure, including sensitivities such as ligand identity, symmetry, and bonding information. This dual capability system allows measurement of both of these channels for maximum information content of each sample.
Capabilities
- Glovebox integration enables measurement of air and water sensitive samples
- Simultaneous measurement of phosphorus Kα and Kβ emission regions
- Automated sample chamber for measurement of up to 15 samples with minimal effort
Location
NanoES G65B
Primary Contact
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Specifications and Research Highlights
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The Edinburgh FLS1000 system is a modular fluorescence spectrometer for measuring spectra from the ultraviolet to the near-infrared spectral range (250 to 2550 nm), and lifetimes spanning from picoseconds to seconds. The system currently houses three light sources (450 W ozone-free Xenon arc lamp, microsecond Xenon flashlamp, 405nm picosecond pulsed diode laser), three detectors (Si PMT, InGaAs PMT, and InGaAs steady-state detector), an integrating sphere attachment for measuring absolute photoluminescence quantum yields, and a fiber optics module for external measurements. The large sample compartment is equipped to measure either solution phase samples in a cuvette or solid-state samples on specially designed film or crystal holders. Light sources, detectors, grating, slits, and polarizers are all computer-controlled for accurate and precise measurements. Additionally, all spectral data are corrected in real time for the spectral response of both the light source and detector, making data measured on this system immediately ready for publication.
Capabilities
- Wide-range spectral measurements from 230 -2550 nm for emission measurements with a range of 230-900 nm for excitation measurements
- High performance Fluoracle® software package enables automatic spectral correction, lifetime fitting, and experiment automation
- Double-monochromator resolution and stray light rejection
- Automatic excitation and emission polarization optics enabling optical anisotropy measurements
- Multiple excitation sources (450W Xe lamp; Xe flash lamp; 405 nm picosecond pulsed diode laser)
- Time-resolved photoluminescence capabilities using either multichannel scaling (MCS) or time-correlated single photon counting (TCSPC) electronics enabling lifetime measurements from <1 ns to 50 seconds
- PMT detectors for wavelength range from 230- 1700 nm for lifetime measurements
- Modular sample chamber enabling measurement of wide range of samples
- Integrating sphere accessory for absolute quantum yield measurements
Location
NanoES G65B
Primary Contact
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Specifications and Research Highlights
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The Bruker Dimension Edge AFM measures nanometer-scale microscopy by rastering (over a surface of interest) a sharp probe, the z-position of which is controlled in a closed-loop feedback on a measure of the atomic forces on the probe by the surface. These forces are strongly dependent on the probe-surface distance, and so the z-adjustments required to maintain constant force during rastering are directly related to the topographical and morphological features. This AFM is inside of the 2D materials manipulation glovebox, allowing study of air- and water-sensitive samples prepared inside the glovebox with direct access to additional in-glovebox capabilities, e.g. optical microscopy, and 2D stacking. The Edge has an ergonomic design with facile set-up (sample loading, cantilever mounting and calibration) and scan control.
Capabilities
- Glovebox integration enables measurement of air and water sensitive samples
- Dry isolation stage minimizes vibrational noise from glovebox environment
- Motorized x-y stage with vacuum sample chuck allows easy mounting and access to wafer-scale samples
- AFM modes available: contact mode, non-contact “tapping” mode, proprietary Peak-Force mode
- Standard AFM tips available on-site, specialty tips can be purchased by request
- Piezoelectric Force Microscopy available
Location
NanoES G65B
Primary Contact
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Specifications
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The Bruker Dimension Icon AFM measures nanometer-scale microscopy by rastering (over a surface of interest) a sharp probe, the z-position of which is controlled in a closed-loop feedback on a measure of the atomic forces on the probe by the surface. These forces are strongly dependent on the probe-surface distance, and so the z-adjustments required to maintain constant force during rastering are directly related to the topographical and morphological features. The Icon AFM incorporates the latest evolution of Bruker’s nanoscale imaging and characterization technologies on a large sample tip-scanning AFM platform. The Icon’s temperature-compensating position sensors render noise levels in the sub-angstroms range for the Z-axis, and angstroms in X-Y.
Capabilities
- Significantly reduced noise floor at less than 30 pm enabling imaging at sub-nanometer resolution
- Drift rates less than 200pm per minute render distortion-free images immediately
- Integrated alignment tools deliver quick and optimized probe positioning
- High-resolution camera and X-Y positioning permit faster, more efficient sample navigation
- Wide-open access to tip and sample accommodates a large variety of standard and customized experiments
- AFM modes available: contact mode, non-contact “tapping” mode, proprietary Peak-Force mode
- Standard AFM tips available on-site, specialty tips can be purchased by request
- Piezoelectric Force Microscopy available
Location
NanoES G65B
Primary Contact
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Specifications and Research Highlights
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