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 Characterization equipment

Dyenamo provides state-of-the-art characterization/analytical equipment for dye-sensitized solar cells, perovskite solar cells and solar fuels. These so-called toolbox solutions can be custom-made to fulfill your demands. In addition, we offer three pieces of standard advanced analytical equipment for DSSCs.

The Dyenamo tool-box DN-AE01, further described below, can be used to obtain detailed information from complete dye-sensitized solar cell devices with an active area of 1 cm2 or less. The photo-induced absorption spectroscopy (PIA) setup DN-AE02 is ideal for the analysis of novel dyes and the interaction with electrolytes. The PIA set-up is also more general and can be directly applied for deeper understanding of other photochemical systems and processes than those in dye-sensitized solar cells. The equipment DN-AE03 is dedicated to taking IPCE (Incident Photon to Current Efficiency) spectra of solar cells with an active area of 1 cm2 or less.

Other custom-made configurations of these three pieces of standard equipment (such as a different LED color or larger devices, e.g. modules), as well as specific solutions for solar fuel research or perovskite solar cells can be ordered on demand. Please send a message to i...@info.se (protected address) with a description of the equipment you are looking for.


DN-AE01 – Dyenamo toolbox for investigation of complete DSSC devices

Product description:
This stand-alone piece of equipment has been developed for detailed analysis of small dye-sensitized solar cell devices with an active area of 1cm2 or less. The standard light source is a white light-intensity light emitting diode (LED). The maximum light intensity is 1 sun equivalent (1 sun = 1000 W m-2 AM1.5G). The Dyenamo toolbox is designed for small-modulation transient measurements for rapid determination of electron lifetimes and electron transport times in DSSC devices. Furthermore, electron accumulation in the mesoporous electrode of the DSSC can be determined by charge extraction measurements. Finally, standard IV-curves can be recorded at different light intensities.

Analytical techniques included:
  • JSC vs Light intensity
  • VOC vs Light intensity
  • Current - voltage curves (at different light intensities and in the dark)
  • Electron transport time under short-circuit conditions
  • Electron lifetime under open-circuit conditions
  • VOC decay
  • Photocurrent transients
  • Charge extraction (from short-circuit or open-circuit conditions)
  • Additional optional analytical techniques IMPSE- and IMVS-techniques can be included in the toolbox on demand.

Contents:
  • Stationary-based PC
  • Software
  • Dyenamo Toolbox measurement equipment
  • English manual

Specifications:
  • Light source:High power white LED
  • Intensity:0 - 1.5 sun equivalent
  • Current range:0 - 5 mA
  • Voltage range:0 - 10 V
  • Data acquisition:16 bit DAQ, 500 kHz sampling rate

References:
  • Boschloo, G; Häggman, L.; Hagfeldt, A. Quantification of the effect of 4-tert-butylpyridine addition to I-/I3- redox electrolytes in dye-sensitized nanostructured TiO2 solar cells J. Phys. Chem. B 2006, 110, 13144-13150.
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DN-AE02 – Photo-induced absorption spectroscopy (PIA) setup

Product description:
This stand-alone piece of equipment is ideal for initial tests of new dyes for DSSC. A PIA spectrum of a dye-sensitized TiO2 film quickly shows whether photoinduced electron injection is taking place. Subsequent addition of a redox electrolyte shows if the oxidized dye is being regenerated.

Analytical techniques included:
  • Photo-induced absorption spectrum
  • Frequency-dependent PIA response at a single probe wavelength

Information that can be obtained:
  • Assessment of injection efficiency in DSSC
  • Assessment of electron - dye recombination in DSSC
  • Assessment of regeneration efficiency in DSSC

Contents:
  • Stationary-based PC
  • Software
  • Dyenamo measurement equipment
  • English manual

Specifications:
  • Probe light source:Tungsten-halogen lamp
  • Excitation light source: High power LED
  • Modulation frequency:1 - 10 000 Hz
  • Detector:Si-diode
  • Wavelength range:350 - 1100 nm

References:
  • Boschloo, G.; Hagfeldt, A. Photoinduced absorption spectroscopy as a tool in the study of dye-sensitized solar cells Inorg. Chim. Acta 2008, 361, 729-734
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DN-AE03 – IPCE-equipment for taking IPCE spectrum of solar cells

 

IPCE

 

Product description:
This stand-alone piece of equipment has been developed for measuring IPCE (Incident Photon to Current conversion Efficiency) spectra for small solar cell devices with an active area of 1cm2 or less. IPCE is measured with the DC-method under short-circuit condition using low intensity monochromatic light. The spectral range is 330 nm to 1100 nm.

Analytical techniques included:
  • Automatic measurement of IPCE spectrum. The data is recorded in an easy to read text file.
  • Calculation of predicted JSC under AM1.5 G illumination (1000 W m-2)

Contents:
  • Stationary-based PC
  • Software
  • Dyenamo IPCE measurement equipment, including calibrated Si diode
  • English manual

Specifications:
  • Footprint:88 x 43 cm
  • Light source: 175 W Xe-lamp (ozone free)
  • Monochromator:Spectral bandwidth 20 nm
    oSpectral range 330 - 1100 nm
    o Monochromatic light intensity 0.1-0.5 mW cm-2
  • Filter:Filterwheel with order sorting filters
    oUV-enhanced version (250 nm-1100 nm) available upon request
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DN-AE04 – Dyenamo Electronic Load with Built-in Boost Supply

ICPE

Product description:
DN-AE04 is a computer controlled electronic load designed for the characterization of high current devices such as large solar cells, fuel cells and batteries. With a maximum design current of 20 A (DN-AE04H), it far exceeds the capabilities of all but the most powerful (i.e. expensive) source measure units (SMU), while remaining at a fraction of the cost of such instruments. By integrating a powerful 3.3 V boost power supply in the instrument, zero-voltage operation is conveniently enabled without the need of additional equipment. Despite the high current handling capabilities, the instrument has a very compact footprint of 15 x 10 cm and can be powered directly from the USB-port, making it highly portable. The instrument also comes with a user-friendly software package for solar cell characterization by I-V curve tracing, MPP tracking and many more methods. Software for other applications (batteries, fuel cells, solar fuel and more) is under development. Contact us for more details!

ICPE


Specifications:
  • Maximum current:4 A (AE04L) / 10 A (AE04) / 20 A (AE04H)
  • Maximum voltage over load:30 V
  • Maximum power dissipation:55 W
  • Measurement resolution:12 bit
  • Voltage sense:Local (2-wire) or Remote (4-wire)
  • Maximum sampling rate17 Hz
  • Integrated boost power supply voltage:3.3 V
  • Integrated boost power supply maximum current:16 A (AE04H: 20 A)
  • Computer interface:USB 2.0
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DN-PH01 – Dyenamo HT-holder for PEC-measurements

HT-holder for PEC-measurements

Product description:
Dyenamo's multifunctional photo-electrochemistry (PEC) H-type (HT) tandem-holder has been designed to improve and facilitate your solar fuel experiments. The patent-pending product has been developed by Dr Haining Tian at Uppsala University. The HT-holder consists of two air-tight chambers with in/outlets for gas that are separated by a ion permeable membrane. Photo-electrodes are easily assembled on the outside wall of each chamber providing a highly light-transmitting setup, avoiding unnecessary light-refraction. The light-active area is well controllable by a mask, which also diminishes the electrode-edge light reflection in your test and provides you more accurate, reliable and reproducible results. In addition, it is straightforward to align the photo-electrodes, particularly in the tandem PEC experiments. There is one port in each chamber for use of reference electrode (diameter: 6 mm). All components in the HT-holder can be disassembled, which is beneficial for thorough cleaning of the holder. Moreover, DN-PH01 can be used for other experiments, e.g. spectro-electrochemistry, electrolysis and light-driven organic synthesis. Various pieces of analytic equipment can be integrated with the holder to make your experiment evaluation online.


Size of the HT-holder (L x W x H):
  • 60 x 60 x 40 mm (with screws: 85 x 60 x 55 mm)
  • Light window Ø 8 mm (ca. 0.5 cm2)

Holder base-material:
  • PEEK

Size of the photo-electrodes:
  • Length: 12 mm-20 mm
  • Width: 15 mm-30 mm
  • Max. thickness: 10 mm

Additional information:
  • This is a Dyenamo patent-pending product.

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