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Solar Cell I-V Test System (Manual)

User Manual

Ossila.com

12

Ossila Limited © 2022

Figure 9.1.

Solar Cell I-V software: The Characterisation tab.

9.1.2

Lifetime

The Lifetime tab tracks PCE, FF, J

sc

, and V

oc

over time by performing periodic I-V measurements

and analysis. Between I-V measurements, the solar cell can be held at short-circuit, open-circuit,
or maximum power.

Figure 9.2.

Ossila Solar Cell I-V software: The Lifetime tab.

9.1.3

Stabilised Current

The Stabilised Current tab lets you measure the evolution of the photogenerated current at
specific voltages.

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Содержание Solar Cell I-V Test System

Страница 1: ...enabling materials science Ossila com Solar Cell I V Test System Manual User Manual Manual version 2 0 I Product code T2002 Product Version 2 0 Software version 1 4 ...

Страница 2: ......

Страница 3: ...7 4 Requirements 8 5 Unpacking 8 5 1 Packing List 8 5 2 Damage Inspection 8 6 Specifications 9 7 System Components 10 8 Installation 11 9 Operation 11 9 1 Measurement Types 11 9 2 Quick Start Guide 13 9 3 Shared Software Settings 13 9 4 Characterisation Settings 16 9 5 Lifetime Settings 17 9 6 Stabilised Current Settings 19 9 7 Saving and Loading Settings 20 9 8 Saving Results 20 9 9 Controls 22 9...

Страница 4: ...Solar Cell I V Test System is a low cost solution for reliable current voltage characterisation of solar cells The system is controlled by specially designed software which can perform multiple I V measurements determine key metrics of solar cells and measure these properties over long periods of time ...

Страница 5: ...nd belongs to the following product Product Solar Cell I V Test System Manual T2002A2 T2002B2 T2002E2 Solar Cell I V Test System No Test Board T2002D2 Serial number T2002A2 xxxx T2002B2 xxxx T2002D2 xxxx T2002E2 xxxx Object of declaration Solar Cell I V Test System Manual T2002A2 T2002B2 T2002E2 Solar Cell I V Test System No Test Board T2002D2 The object of declaration described above is in confor...

Страница 6: ...ione di conformità UE Produttore Ossila BV Biopartner 3 building Galileiweg 8 2333 BD Leiden NL Si dichiara sotto la propria personale responsabilità che l apparecchiatura in elenco è conforme alla normativa di armonizzazione UE rilevante indicata nelle pagine precedenti del presente documento Latviešu ES atbilstības deklarācija Ražotājs Ossila BV Biopartner 3 building Galileiweg 8 2333 BD Leiden ...

Страница 7: ...us Valmistaja Ossila BV Biopartner 3 building Galileiweg 8 2333 BD Leiden NL Vakuutamme täten olevamme yksin vastuussa siitä että tässä asiakirjassa luetellut laitteet ovat tämän asiakirjan sivuilla edellisillä sivuilla kuvattujen olennaisten yhdenmukaistamista koskevien EU säädösten vaatimusten mukaisia Svenska EU försäkran omöverensstämmelse Tillverkare Ossila BV Biopartner 3 building Galileiweg...

Страница 8: ...al power cables adaptors or transformers is not recommended 3 2 Hazard Icons The following symbols can be found at points throughout the rest of the manual Note and read each warning before attempting any associated operations associated with it Table 3 1 Hazard warning labels used in this manual Symbol Associated Hazard Electrical shock 3 3 General Hazards Before installing or operating the Ossil...

Страница 9: ... to chemical damage through improper use The Unit has been operated outside the usage parameters stated in the user documentation associated with the Unit The Unit has been rendered inoperable through accident misuse contamination improper maintenance modification or other external causes 3 6 Health and Safety Servicing Servicing should only be performed by an Ossila engineer Any modification or a...

Страница 10: ... USB 2 0 or Ethernet 5 Unpacking 5 1 Packing List The standard items included with the Ossila Solar Cell I V Test System Manual are Ossila Solar Cell I V Test System and Test Board 24 VDC power adapter USB B cable USB memory stick pre loaded with the user manual USB drivers quality control data and software installer Resistor test devices 5 2 Damage Inspection Examine the components for evidence o...

Страница 11: ...to 10 V Current range 10 nA to 200 mA Substrate Size 20 mm x 15 mm or 25 mm x 25 mm Substrate Compatibility T2003A S101 OLED substrates Substrate Compatibility T2003B S211 PV substrates Substrate Compatibility T2003C S171 Pixelated cathode substrates Substrate Compatibility T2003E S2006 ITO Glass Substrates PV and OLED 25 mm Square Overall Dimensions Source Measure Unit Width 125 mm Height 55 mm D...

Страница 12: ...omponents The Solar Cell I V Test System Manual is comprised of 3 items the Source Measure Unit Figure 7 1 Push Fit Test Board Figure 7 2 and the Ossila I V Curve software Figure 7 3 Figure 7 1 Source Measure Unit Figure 7 2 Push Fit Test Board Figure 7 3 Solar Cell I V Test System software ...

Страница 13: ... Cell I V software can perform 3 different types of measurements Each measurement type can be selected using the tabs at the top of the window The available measurements are 1 Characterisation Section 9 1 1 2 Lifetime Section 9 1 2 3 Stabilised Current Section 9 1 3 Each measurement type requires several settings to be selected before it can be performed Settings that are shared between all measur...

Страница 14: ...cks PCE FF Jsc and Voc over time by performing periodic I V measurements and analysis Between I V measurements the solar cell can be held at short circuit open circuit or maximum power Figure 9 2 Ossila Solar Cell I V software The Lifetime tab 9 1 3 Stabilised Current The Stabilised Current tab lets you measure the evolution of the photogenerated current at specific voltages ...

Страница 15: ...mulator 5 Set the appropriate settings in the software explained in more detail in Sections 9 4 9 8 I Set Pixel Switching to Manual 6 Open the shutter of your solar simulator 7 Click the Measure button I You will be prompted to switch to the first pixel to measure II For each pixel measurements are performed using the chosen measurement settings III This process is repeated until all pixels have b...

Страница 16: ...pulated automatically with the addresses of any units connected to the computer II Voltage Source Select which SMU channel of the Source Measure Unit the test board is connected to III Range Select the range of currents to be used for the measurement I This defines the upper limit and accuracy of current measurements that can be performed by the unit The values for each range are given in Table 9 ...

Страница 17: ...t the number of samples to be taken for each data point I A higher number of samples per point will improve the accuracy and precision of the measurement However this will increase the time taken for the measurement to be performed 9 3 2 Device Details Figure 9 5 Device Details settings I Pixel Switching Select Manual in the pixel switching setting II Number of Pixels Set the number of individual ...

Страница 18: ... I Start Voltage Set the voltage in volts at which to start the current voltage measurement I This can be set between 10 V and 10 V II End Voltage Set the voltage in volts at which to end the current voltage measurement I This can be set between 10 V and 10 V III Voltage Increment Set the step size in volts for changing the voltage during current voltage measurement IV Voltage Settle Time Set the ...

Страница 19: ...haracterisation and lifetime measurements I Start Voltage Set the voltage in volts at which to start the current voltage measurement I This can be set between 10 V and 10 V II End Voltage Set the voltage in volts at which to end the current voltage measurement I This can be set between 10 V and 10 V III Voltage Increment Set the step size in volts for changing the voltage during current voltage me...

Страница 20: ...he total duration in hours of the lifetime measurement II Interval Set the time interval in minutes between performing repeat current voltage measurements of the device III Hold Voltage Set the voltage that all pixels will be held at between measurements This can be set as I Short Circuit hold at 0 V II Maximum Power hold at the average maximum power point determined from most recent current volta...

Страница 21: ...ngs Figure 9 9 Experimental Parameters settings for the Stabilised Current Output I Voltage Set the voltage to apply to the sample for the measurement I This can be set between 10 V and 10 V II Total Time Set the total length of the measurement in minutes III Measurement Interval Set the time between each current measurement in seconds ...

Страница 22: ...f you wish to overwrite the previous profile II The name cannot contain the characters The settings profile will be added to the drop down box using the given name II Settings Profiles Select a saved settings profile from the drop down box I The settings fields will be populated with the saved values Settings profiles can be deleted by selecting the profile and then clicking the red delete button ...

Страница 23: ...er III Clicking the file icon button which will open a dialog box to allow the selection of a folder to save to All output files are comma separated variable csv files II Save Directory Set the directory in which to create the data files This can be filled in by I Manually typing the directory into the Save Directory field II Copy and pasting from your file explorer III Clicking the Select Directo...

Страница 24: ... Clicking this button will start the measurement using the chosen settings This button cannot be clicked if the software has not detected the test system II Abort Stops a measurement that is currently in progress 9 10 Plot Controls I Position Readout Whilst the mouse cursor is over the plot in the Characterisation and Stabilised Current tabs the x and y position of its location are displayed in th...

Страница 25: ...xis up down for y axis Scroll wheel scale the axes centred on the cursor location A specific axis can be controlled by using these controls on the axis labels The axes can be reset by clicking the A button in the bottom left of the plot as shown in Figure 9 17 Figure 9 17 Button to reset the plot axes 9 11 Test Devices The system is shipped with a precision resistor test device that can be used to...

Страница 26: ...ckboxes should match the device configuration you have Ensure that only one pixel at a time is activated on the test board Figure 9 19 Measurement settings for the resistor test device 5 Click the Measure button 6 The system should measure straight line resistor responses from 100 μA cm 2 to 100 μA cm 2 or 20 μA cm 2 to 20 μA cm 2 for the 20 μA current range as shown in Figure 9 20 7 To check the ...

Страница 27: ...Solar Cell I V Test System Manual User Manual Ossila com 25 Ossila Limited 2022 Figure 9 20 Example measurement of resistor test device using the 200 μA current range ...

Страница 28: ...software Cannot connect to the system via USB The USB cable may not be connected properly Ensure the USB cable is firmly plugged in at both ends The USB cable may not be connected to a working USB port Try connecting the unit to a different USB port on the computer The USB drivers may not be installed or may not have installed properly Try installing or reinstalling the USB drivers If the drivers ...

Страница 29: ...ed 2022 11 Related Products ITO Glass Photovoltaic Substrates 8 Pixel S211 Measurement Aperture Mask for Photovoltaic Substrates 8 Pixel E521 ITO Substrates for OLEDs Pixelated Anode S101 Spin Coater L2001 Perovskite Precursor Ink for Air Processing I101 PCE12 PBDB T M1001 ...

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