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Department of Structure and Dynamics in Catalysis

 Department of Theoretical Chemistry    Department of Spectroscopy    Department of Biophysical Chemistry     Department of Structure and Dynamics in Catalysis     Department of Electrochemical Materials    Department of Electrochemistry at the Nanoscale    Department of Chemistry of Ions in Gaseous Phase    Department of Dynamics of Molecules and Clusters    Department of Low-dimensional Systems    Department of Molecular Electrochemistry and Catalysis  

Instrumentation of Department of Structure and Dynamics in Catalysis

A: Major Equipment - Preparation

1) 500 MHz MAS NMR spectrometer Bruker Avance III HD 500 WB/US NMR (upgrade 2013)
- 7-mm N-P/H probehead
- 4-mm N-P/H-F probehead
- 4-mm X/Y/H probehead
- 3.2-mm N-P/H-F probehead
- 2.5-mm N-P/F-H probehead

2) Equipment for liquid phase synthesis
- Autoclave 0.55 l, 20 - 220 °C, 0 - 150 bar, Stainless steel DIN WNr. 1.4571/1.4404 (AISI 316Ti/316L)
- Autoclave 0.55 l, 20 - 220 °C, 0 - 150 bar, Hastelloy C22
- Autoclave 2.2 l, 20 - 250 °C, 0 - 200 bar, Stainless steel
- Autoclave 3.2 l, 20 - 220 °C, 0 - 150 bar, Stainless steel
- Speedwave four for synthesis of nanomaterials - Microwave digestion system with built-in, non-contact temperature and pressure measurements

3) UV-Vis-NIR spectrometer Perkin-Elmer Lambda 950
- Two integrating sphere attachments for diffuse-reflectance measurements at UV-Vis-NIR with spectralon coating
- Integrating sphere attachment for diffuse-reflectance measurements at NIR with coating by gold
- Harrick through flow cell for elevated temperatures for measurements with praying mantis
- Home-made through flow cell for elevated temperatures for measurements with integrating sphere

4) Three FTIR spectrometers Nexus 670 e.s.p. (Thermo Nicolet Co.)
- MKS detectors
- ATR and reflectance accessories
- High-low pressure IR reactor In-Situ Research - Instruments, USA equipped by AvaSpec-2048FT Fast Trigger Fiber Optic UV-Vis Spectrometer Avantes and MS gas analysis.

5) Catalytic apparatuses
- Computerized catalytic reactors for hydrocarbon transformations equipped with gas chromatograph with GC (HP 5890, HP 6890, HP 5971A, HP 6850, Finnigan 9001 with GC-FID, TCD, MSD) and MS detection (GC-MS spectrometer Agilent, Quadrupole mass spectrometers QMA 125, QMG 421C, QMG 420)
- Computerized Microactivity-Reference catalytic reactors PIDENG&TECH with gas chromatography detection
- Computerized catalytic reactors for N2O/NO/NO2 abatement reactions with NO/NOx chemoluminescence analyzers VAMET, Analyzer Advanced Optima 200/Limas 11HW ABB, N2O analytical system Advance Optima Hartmann & Brown and GC detection

6) Photocatalytic apparatuses
- Liquid phase testing using UV or visible light
- Gas phase testing using UV or visible light

7) QUV Accelerated Weathering Tester and Q-Sun Xenon Test Chamber
- QUV Overview: Solar Eye Irradiance Control, Lamps: UVA-340, UV-B, Water spray system, ISO calibration
- Q-Sun Overview: Full-spectrum xenon arc lamps, The Solar Eye Irradiance Control System, Optical filters (Daylight, Window, Extended UV), A choice of irradiance set points (340 nm, 420 nm or TUV), ISO, ASTM &SAE compliance

B: Available Methods

1) Liquid phase bath synthesis
- Synthesis in 100 ml - 2.2 l autoclaves
- Acid or base corrosive environment
- Hydrothermal synthesis and preparation of inorganic materials including zeolites
- Modification of catalysts forms (acid, base, redox) by ion exchanges and impregnations
- Basic characterization of products (XRD, SEM, N2 adsorption)

2) Characterization of catalytic activity of acid and base heterogeneous catalysts
- Through-flow catalytic experiments, including elevated pressure
- Batch catalysts and kinetic testing (100 ml - 2.2 l autoclaves)
- GC and MAS spectroscopy analysis of products

3) Characterization of acid and base heterogeneous inorganic catalysts
- Characterization of acidic properties by TPD and FTIR spectroscopy of adsorbed probes
- Characterization of redox properties by TPR, FTIR spectroscopy and UV-Vis spectroscopy
- Characterization of sorption properties of catalysts, XRD, SEM

4) NMR spectroscopy of inorganic solids
- 500 MHZ MAS NMR spectrometer, N-P/H and Al/Si/H experiments
- Setup for treatment/evacuation of samples & sealing prior spectra measurement

5) UV-Vis-NIR spectroscopy in transition and diffuse-reflectance mode
- Measurement of liquids, powders, turbid media
- Measurement in transmission, reflection and diffuse reflection mode
- Harric and home-made through-flow cells for measurement at elevated temperatures and different gases

6) FTIR spectroscopy in transition and diffuse-reflectance mode
- Measurement in transmission and diffuse reflectance mode
- Home-made cells for measurement in different atmospheres and treatment of sampĂşles at elevated temperatures
- Through flow cell for in situ measurement at elevated temperatures

7) Separation of nanoparticles
- Gradient separations, in which the tubes are filled from top to bottom with an increasing concentration of a dense substance in solution.
- Determination of particle size distribution of solid particles, emulsions and bubbles
- Determination of the zeta potential of particles

8) Preparation of thin layers by dipcoating
- Coating of flat supports in controlled atmosphere
- Coating of tube supports up to 80 cm in length and 10 cm in diameter

9) Testing the photocatalytic performance of powders and layers
- Degradation of aqueous pollutants
- Degradation of gaseous pollutants according to ISO standards

10) Accelerated weathering testing of solid materials
- Testing the durability of bulk materials or layers and coatings on different substrates
- Test according to ISO, CEN, DIN and other standards

11) Determination of the texture and sorption properties of solids
- Determination of porosity of micro- and mesoporous materials
- Determination of surface area of thin films

12) Scanning electron microscopy

C: Auxiliary equipment

1) Ultracentrifuge Optima XPN-100 (Beckman Coulter)
- Maximum speed: 100,000 rpm, Maximum RCF (x g): 802,400, Speed control: ± 2 rpm of set speed (above 1,000rpm), Set temperature: 0 to 40°C,Ambient operating range: 10 to 35°C, Accel/decal: 10/11, Drive cooling: air-cooled

2) Analyzer of the particle size and zeta potential ZetaSizer NanoS, model ZEN1600 (Malvern)
- Cell for the measurement of the zeta potential of surfaces

3) Dip Coater 5
- Uniform deposition of layers on plates and similar objects by dipping and dragging into bath with solution.

4) Sorption apparatus ASAP 2010 (Micromeritics)
- Microporous option with three transducers
- Low-pressure system

5) Laboratory electric superkanthal furnace Model 2017S (Clasic CZ)
- Preparation and heat treatment of ceramics, glass phases and metals/metal alloys up to 1700°C under air or an inert atmosphere.

6) Extruder Multi-Gran, Model MG-55 ( FUJI PAUDAL CO)
- Manufacturing granules of ceramics, organic materials, polymers/biopolymers in form of cylinders of the diameter 1 to 3 mm adjusted by the selection of a die with proper openings

7) Planet laboratory mill Pulverisette 6 (Ilabo)
- for the milling of powders up to 500 g in weight.

8) Fiber Optic UV-Vis Spectrometers
- Two UV-Vis spectrometers AvaSpec-2048FT Fast Trigger Avantes
- UV-Vis spectrophotometer VWR

9) Scanning electron microscope Jeol JSM-5500 LV

10) TPD/TPR AMI-200 catalyst characterization system Altamira Instruments

11) Universal apparatus of in-house construction for studies of transport and reaction processes in inorganic membranes

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