Lab Equipment

Tube Furnaces

Several tube furnaces are available for synthesis of MAX, annealing Mxene, surface functionalization, and ammoniation

Superuser: Chris

For general MAX phase synthesis

Superuser: Yusuke

For Ti3AlC2 MAX phases synthesis

Superuser: Yusuke, Mykola

For ammoniation and salt templated MXene synthesis – N2, Ar, H2/Ar, NH3, Cl2 – 1000 C max.

Superuser: Yusuke, Mykola

For ammoniation and salt templated MXene synthesis – N2, Ar, H2/Ar, NH3, Cl2 – 1000 C max.

Superuser: Mark, Kanit

Annealing Mxene samples – inert / reducing atmosphere (N2, Ar, H2/Ar) or rough vacuum – 1000 C max

Superuser: Tyler, Adam

For volatile MAX phases synthesis

Superuser: Mark, Yusuke, Kanit

For surface functionalization of Mxene and direct transfer to glovebox without air exposure.

Vacuum Ovens

For various drying purposes. Max temperature is 200C under rough vacuum conditions.

Superuser: Asia

For drying organic solvent containing materials

Superuser: Asia

For drying aqueous based materials

Superuser: Kanit

For sensitive drying operations such as sample preparation for XPS measurements.

Superuser: Meikang

For routine / dirty drying operations

Other ovens and furnaces

Superuser: Meikang

For drying glassware and other large parts. Maintained at constant 70 C at ambient pressure

Superuser: Chris

For annealing large dirty parts at up 1500 C under air / inert atmosphere. May currently have leakage issues

 

Superuser: Christine

For rapid annealing of large parts at up 1500 C under air/vacuum.

Glovebox

Superuser: Tyler, Narendra, Mark

With T-antechamber. #1 contains tube furnace attachement. For annealing and general sample processing. #2 for electrochemical cell assembly – after annealing, electrochemical etching, Li-S batteries.

Superuser: Tyler, Narendra, Mark

For electrochemical cell assembly

Processing - Solids

Superuser: Meikang, Tyler

Fully programmable CNC. Used for machining parts and drilling ceramic MAX blocks.

Superuser: None

Szegvari Attritor System Type B is used for efficient grinding and mixing of materials

Superuser: Yusuke

Automated mortar and pestle grinder for powders

Superuser: Chris, Tyler

Automated Y-style rotary powder mixer for ball milling.

Superuser: None

Automated system for sieving powders with the ability to stack multiple sieves in series.

Superuser: Meikang

Freeze Dryer.

Processing - Liquids - Centrifuges

Superuser: Tyler, Adam

Used for high speed (up to 15,000 rcf) centrifugation using 6x 50mL tubes

Superuser: Tyler, Adam

Used for low speed (up to 5,000 rcf) centrifugation using 4x 200mL bottles

Superuser: Tyler, Adam

Used for low speed (up to 5,000 rcf) centrifugation using 4x 500mL bottles, 4x 175mL tubes, 4x 12x 50mL tubes, 4x 12x 15mL tubes

Superuser: Yusuke, Mykola

For ammoniation and salt templated MXene synthesis – N2, Ar, H2/Ar, NH3, Cl2 – 1000 C max

Superuser: Tyler, Adam

For 16x 1.5mL conical centrifuge tubes

Superuser: Tyler, Adam

For 8x 15mL centrifuge tubes

Processing - Liquids

Superuser: Yusuke

Superuser: Adam

Superuser: Ariana, Simge

Probe sonicator for exfoliation, dispersion, and self-assembly of materials. Coupled to recirculator with coolant to maintain low temperatures of dispersion.

Superuser: Yusuke

 

Superuser: Mykola

Superuser: Chris

Custom-designed 1L reactor allows for safe and optimal scale up of Mxene synthesis. Capability to etch / delaminate 100 g batches without changes in material properties compared to traditional small scale methods.

Coating

Superuser: Narendra

DRM Flat 100mm RE Rolling Mill has been specifically designed to roll flat metal sheeting exclusively. It is often used to roll the dried electrodes to ensure a good contact between the electrode material and current collector. MXene clays can also be rolled to obtain conductive films directly by squeezing out water.

Superuser: None

Superuser: Kathleen, Mark

Spin coater (Laurell Technologies Corporation, WS-650Hz-8NPPB) made of Teflon enabling solvent use. Accommodates 8 inch wafer. Max speed 12,000 rpm. It is used for thin film deposition.

Superuser: Asia, Kanit

Dedicated fume hood and spray deposition setup for easy and efficient protocol to deposit thin films of materials for various applications.

Superuser: Ariana

Electrospinning unit (NEU Kato Tech Co, Ltd.) with a maximum voltage applied of 40 kV.

It is used for fiber fabrication from a polymer-based solution, which are collected continuously on a rotating drum.

Superuser: None

 

Superuser: Narendra

Automated preparation of thin samples for adhesive, coating, ink and sealant testing.

Superuser: Narendra

Adjustable Film Coating Applicator Film Coater with Micrometer Wet Film Preparation Device 0-3500μm (150mm). Doctor blade is extensively used for coating battery and supercapacitor electrodes with thickness ranging from a few tens to hundreds of micrometers.

Superuser: Kathleen, Asia, Ariana

Oxygen and/or Argon Plasma Cleaner (Tergeo Plus Plasma Cleaner, Pie Scientific) with dry pump capable of reaching 200 mTorr or less pump pressure. It is used for substrate cleaning and functionalization.

Superuser: Narendra

Axi-draw can move in X-Y directions and can be loaded with Pen to draw or sketch desired patterns. It is an useful tool for direct writing and patterning of functional devices on a wide choice of substrates including paper, glass and plastic.

Analytical

Superuser: Yusuke

Superuser: Yusuke

Superuser: Kathleen, Kanit

UV-vis-NIR spectrophotometer (Evolution 201, ThermoScientific) from 190 nm to 1100 nm, optional to attach a potentiostat for in situ photo-electrochemistry experiments. Capability of absorbance and transmission measurements.

Superuser: Kathleen

Dynamic Light Scattering (DLS) (Zetasizer Nano ZS, Malvern Panalytical) equipped with a MP2 Autotitrator. It is used to measure particle size (0.6 nm to 10 um) and zeta potential of colloidal solutions.

Electrochemistry

Superuser: Tyler, Narendra

Arbin BT-2143-11U, College Station, TX, USA is equipped with 32 independent channels and can simultaneously test the electrochemical performance of battery electrodes including galvanostatic charge-discharge, rate handling and cycle life.

Superuser: Tyler, Narendra

Superuser: Tyler, Narendra

Superuser: Tyler, Xuehang, Narendra

Several multichannel potentiostats (Bio Logic VMP3) are available in the laboratory, which are equipped with high standard, impedance, high current, and low current channels. Potentiostats are used for characterizing the electrochemical properties of materials and devices, such as supercapacitors, batteries, and electrocatalytic materials.

Superuser: Tyler, Narendra, Xu

Pine Research rotating disk electrode is used for electrochemical catalysis and optical catalysis measurements.

Environmental Control

Superuser: None

  1. Cole-Palmer polystat circulator
  2. Thermo Neslab RTE 740

Heating and cooling recirculators for applications where precise temperature control over a wide range is required – ex. for probe sonicators to mitigate heating.

Superuser: Tyler, Narendra, Xuehang

Benchtop test chamber capable of simulating a full range of temperature and humidity conditions with entry ports for in-situ electrochemical measurements.

Physical Characterization

Superuser: Mykola, Tyler

Two gas adsorption analyzers are available:

  1. Single station Quantachrome Autosorb iQ
  2. Two station Quantachrome Quadrasorb SI.

They are used to measure the surface area and porosity of porous materials

Superuser: Mykola, Kanit

Simultaneous Thermogravimetric (TG) and Differential Scanning Calorimetry (DSC) equipped with Discovery benchtop quadrupole Mass Spectrometer (MS) allows for investigation of surface chemistry and thermal stability of materials through analysis of weight of the sample and evolved gases upon heating under controlled atmosphere (typically Ar, He, air, and O2)

Superuser: Asia

Renishaw Raman inverted microscope equipped with 4 laser lines (488 nm, 514 nm, 633 nm and 785 nm) and 4 different objectives (20x, 55x long distance, 63x and 100x), as well as cooling stage (Linkam) which is able to operate in nitrogen atmosphere (77K – 873 K) and BioLogic system for in-situ electrochemistry testing. It is used to analyze vibrational properties of materials.

Superuser: Asia, Kanit

Superuser: None

Jenco transmission optical microscope is equipped with 10x, 25x and 40x objectives.

Electrical Characterization

Superuser: Kanit

Superuser: Kanit

Keithley 2400 Series SMU instruments offer four-quadrant precision voltage and current source/load. The instruments can simultaneously source and measure current from 10 fA to 10 A pulse and/or voltage from 100nV to 1100V, for 1000W pulse and 100W DC total power. It is used for measurements of electrical properties of materialseither using constant current/voltage or by sweeping current/voltage

Superuser: Kathleen, Kanit

Dark Box equipped with a Xenon light source (CEL-PE 300L-3A, CEALILIGHT), Working current 15 A, Power: 220 V±10%, 50-60 Hz, ≥ 2 kW, Wavelength range 320-2500 nm

It is used for photoconductivity, photo-electrocatalysis measurements.

Superuser: Ariana

Sinocera YE1311 Signal Generator with frequency of 2 Hz to 20 kHz. Triboelectric nanogenerators (TENGs) are devices that can convert mechanical deformations to electrical signals. This setup can be used to deform a sample at a fixed frequency and measure the output voltage.

Superuser: Kanit, Simge

Jandel ResTest Test Unit (UK) is a constant current source and digital voltmeter supplying constant currents between 1uA and 10 mA, and measuring voltages from 0.04 mV to 4000 mV (meaning that the resistance range of 10 milliohm/square to 1 Megohms/square, or 10 mOhm.cm to 10000 Ohm.cm can be measured). It is used for 4-point probe conductivity measurements of materials and thin films.

Superuser: Ariana

Superuser: Meikang

Vector network analyzer (VNA) (8720ES, Keysight) is equipped with coaxial and waveguide chambers for S-parameters measurement. It is used to determine the interaction (reflection, absorption and transmission) between materials and electromagnetic wave in different frequency ranges by measuring the scattering parameters.

 

Superuser: Kathleen, Kanit

Gas sensing setup equipped with multi-range Omega FMA series flowmeters. Typically used in conjunction with Keithley multimeter to measure changes in resistance of materials in response to gaseous analytes.

General / Other

Superuser: Adam

cof

Superuser: Simge

Several press systems are available in the laboratory, including Carver 4122 hot press, which is a 12-ton manual hydraulic lab press with digital heated platens.

Superuser: Narendra, Tyler

Automated crimper for coin cells with digital pressure control.

Manual unit inside the glovebox.

Superuser: 

VTSYIQI AST-S test stand is a hand-pull tension and pressure tester for mechanical characterization.

Superuser: Ariana

Infrared Camera used for thermal imaging

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