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Climate In Situ TEM Gas & Heating

Climate Knowledge base

– Webinar –

Expanding In Situ Studies Across Length Scales Using Electron and X-Ray Microscopy

During this webinar presentation, Dr. Schuster and Dr. Parker…

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– DensSolutions –

Visualizing oscillating NiO appear and disappear on the surface of Ni@Au catalyst driven by a hybrid water-hydrogen atmosphere

In situ and operando TEM have paved the way…

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– DensSolutions –

Correlative analysis of methane oxidation catalyzed by palladium

Many in situ techniques are available to study catalytic…

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In Situ TEM Solutions

Climate | Gas & heating

DENSsolutions
In Situ TEM Gas & Heating

Climate is the only solution on the market that brings a fully functional Nano-Reactor to the TEM. Expose samples to controlled and dynamic gaseous and heating conditions while collecting high resolution image, spectra, and reaction kinetics data. The full platform has customizable options to elevate and accelerate your materials research while preserving performance of the TEM.

Realistic Reaction Conditions

Closed cell supports pressures up to 2 bar

Dynamic Gas
Mixing

Finely tune up to 3 input gases on the fly

Measure Reaction Kinetics

Measure gas conversions in real time

Talk to an Instrumentation Specialist Today!

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Denssolution Climate

Nano-Reactor

The revolutionary Climate Nano-Reactor has been redesigned to make every aspect of your in situ TEM workflow streamlined.

Easy sample preparation

Directly deposit catalyst nanoparticles samples onto the Nano-Reactor using drop casting techniques.

Optimized EDS top chips

Engineered top chips combined with the holder’s exceptional stability allow for elemental maps to be acquired within a relatively short period of time. 

Crossing the pressure gap

The Nano-Reactors unique construction can withstand pressures up to 2 mbar, allowing you to study catalysts under industrially relevant conditions. 

Micro-heater

Proven MEMS technology delivers superior performance in temperature accuracy, reliability and stability around 10 electron transparent windows.

Calorimetry

Assess catalyst activity through measurement of heat dissipation and absorption, thus providing powerful structure-activity relationships.

Nano-Reactor Specifications
Videos & Demos

Denssolutions Climate Videos & demos

Denssolution Climate

Additional Modular Details

Gas Supply Systems

By integrating all control functions into a single platform with a small and mobile footprint, managing your in situ TEM experiment becomes a breeze. Programmed by Impulse Software, the user has full control over reproducible experiments via an intuitive user interface.

  • Ultra-fast flow control unit
    Change gas conditions in the sample area takes less than 15 seconds.
  • Twin pressure controllers
    Perform experiments at equal pressure and different flow rates or at equal flow rates and varied pressures.
  • Patent-protected mixing valve
    This innovation eliminates the need for a mixing tank and makes changing the gas composition within the Nano-Reactor happen within seconds.
  • Dynamic mixing up to three gasses
    The Gas Supply System can mount up to three 10-L gas cylinders that are connected to inlets attached to calibrated mass flow controllers.

Modular Sample Holder

The Climate in situ sample holder provides a platform for connecting the Gas Supply System to the sealed Nano-Reactor inside the vacuum of the TEM. Fabricated with the highest precision techniques, the holder will fit seamlessly into the microscope’s goniometer.

Alpha tilt range depends on system.  Up to ± 21° (depending on polepiece) with JEOL and up to ± 35° (depending on polepiece) with Thermo Fisher Scientific.

  • Exchangeable tubing & removable tip

    A modular design allows each component to be cleaned or replaced, ensuring each new experiment is free from cross-contamination. 

  • Mechanical stability

    Achieve atomic resolution in TEM and STEM in static and flow modes. Achieve a drift rate lower than 0.5 nm/min depending on microscope configuration.

  • Upgrade benefits

    Easily upgrade to the latest generation components, ensuring your research is always at the forefront of what is possible with in situ TEM.

Gas Analyzer

The Gas Analyzer is designed to work seamlessly with the Climate system to enable real time analysis of reaction products and transforming your experiment into an operando TEM workflow.

Gas Analyzer specifications
Gas Analyzer Specifications
Mass range (amu)1 – 100
Pressure range (mbar)FC: 5*10-11 – 1*10-4
EM: 5*10-14 – 1*10-6
Gas sensitivity< 5 ppm (CO2)
Turbo pumpIncluded
Bake-out temp.120⁰C
Sample valveIncluded

FC = Faraday cup | EM = Electron multiplier | Residual gas analysis of methane production over Pd nanoparticles

Vaporizer

Elevate your in situ experiments by humidifying any gas mixture.

  • Independently control gas parameters and amount of water vapor
  • Add vapor to the gas mixture at the very last stage before it enters the holder
  • Safely work with explosive mixtures by working with very low volumes of humidified gas

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Denssolution Climate

Nano-Reactor Specifications

Climate Air Climate GVB Climate G+
Heating control mode 4-point probe resistive feedback
Heating range RT – 1000°C
Heating & cooling rate Up to 150°C/sec
Temperature stability ≤ ± 0.01 °C
Pressure range Ambient 0 – 1000 mbar 0 – 2000 mbar
Attainable resolution* ≤ 100 pm
Drift rate* ≤ 0.5 nm/min
Modular holder design Yes
On-chip flow channel Yes
Mass spectrometer 0 – 200 AMU
Gas mixing method N/A Discrete Continuous
Mixing flammable mixtures N/A No Yes
Gas switching N/A Up to 10 min ≤ 15 sec
Gas input lines N/A 3
Gas flow range (normalized) N/A 0 – 1 ml/min
Micro-calorimetry Yes
EDS compatibility** Yes
EELS compatibility Yes
Modes TEM, STEM, EDS, EELS, electron diffraction
Alpha tilt range* Up to ±21° depending on pole piece (JEOL); up to ±35° depending on pole piece (TFS)

*Depending on microscope configuration
**Depending on pole piece geometry and EDS configuration

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