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Electrochemical CO2/O2 sensor - Fraunhofer IKTS

Applications for CO 2 detection are numerous: the control of growth processes in biotechnology, air quality and pollution monitoring and medical respiratory systems to name just a few. Compared to state-of-the-art infrared based optical CO 2 sensors, solid electrolyte electrochemical sensors allow low cost manufacturing of large sensor quantities along with a compatibility with a wide range of ...

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Hydrogen peroxide electrochemical sensor based on Fe3O4 ...

Jan 01, 2014· The X-ray diffraction (XRD, Thermo ARL SCINTAG X'TRA with CuKα irradiation, λ = nm.) was used to analyse the crystallinity of the products. Electrochemical measurements were carried out in a standard three-electrode electrochemical cell with Fe 3 O 4 nanoparticle electrodes as the working electrode, saturated Ag/AgCl reference ...

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Photocatalytic Self-Cleaning Electrochemical Sensor for 4 ...

Photocatalytic Self-Cleaning Electrochemical Sensor for 4-Nitrophenol detection Jiabing Chen1,2, Youluan Lu1, ... electron microscopy (TEM), X-ray diffraction (XRD), electrochemical impedance spectroscopy (EIS), X-ray photoelectron spectroscopy (XPS), Fourier transform infrared spectra (FT-IR). ... (Kunshan Ultrasonic Instrument Co., Ltd, China ...

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Wet-chemically prepared low-dimensional ZnO/Al2O3/Cr2O3 ...

A reliable xanthine (XNT) chemical sensor was fabricated using a facile wet-chemical method (by co-precipitation) to prepare ZnO/Al 2 O 3 /Cr 2 O 3 nanoparticles (NPs) in an alkaline medium at low temperature. Powder X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), field emission scanning electron microscopy (FESEM), energy-dispersive X-ray spectroscopy (EDS), Fourier …

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Copper Oxide by Thermal Oxidation for Electrochemical ...

Dec 31, 2013· This work presents applications in electrochemical cells, more specifically photocatalytic water splitting and CO 2 reduction, and gas sensors. The synthesis processes of copper oxides are characterized in terms of processing parameters and inspected with X-ray diffraction measurements and scanning electron microscope (SEM).

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An electrochemical sensor based on Co3O4 nanosheets for ...

In this work, Co 3 O 4 nanosheets were fabricated on indium tin oxide (ITO) substrates by developing a simple electrochemical deposition and annealing method. The as-prepared Co 3 O 4 nanosheets were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), attenuated total reflection infrared (ATR-IR) spectroscopy and Raman spectroscopy.

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ELECTROCHEMICAL Co3O4 NANOPOROUS THIN FILMS SENSOR …

The nanoporous Co 3 O 4 thin films were prepared on indium tin oxide (ITO) glasses by an electrodeposition method. The surface morphology and composition of the nanoporous Co 3 O 4 films were characterized by scanning electron microscopy (SEM), energy-dispersive X-ray analysis (EDS) and X-ray photoelectron spectroscopy (XPS). The results show that the as-deposited nanoporous Co 3 O …

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A metal–organic framework and conducting polymer based ...

In this work, a conductive electrochemical sensor, UiO-66-NH₂@PANI, was successfully prepared by polymerizing the conductive polyaniline (PANI) polymer around the metal–organic framework UiO-66-NH₂. Fourier transform infrared spectra, X-ray diffraction patterns, and X-ray photoelectron spectral data support the formation of UiO-66-NH₂@PANI.

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