Advanced optical simulation of thin film devices


Designing reflective coatings using gpvdm.

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Light propagation in solar cells

Gpvdm advanced optical solvers will enable you to understand where photons are being absorbed and generated in your devices.

Features includes:



Light/dark JV curves, dark JV curves and Suns-Voc curves


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Light JV curves
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Suns-Voc
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Dark JV curves

Use gpvdm's advanced algorithms and easy to use interface to simulate light and dark JV curves. Compare these results to your experimental data to understand why your device is working well or poorly. Vary the light intensity from dark to 100 suns, to understand how your device behaves over all conditions. Use gpvdm's thermal model to understand how your device behaves over a range of temperatures. Simulation types include:


Time domain simulation with gpvdm


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Transient photovoltage (TPV)
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CELIV simulation
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Traneint Photocurrent
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Building a simulation

Understand your transient experimental results with gpvdm. Simulate Transient Photovoltage, Transient Photocurrent, CELIV experiments. Gpvdm's efficient time domain solver enables you to simulate time domain experiments in under a second. Then use gpvdm's advanced fitting algorithms to fit the simulation to your data.



Use gpvdm to simulate IMPS/IS experiments


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Frequency domain simulations
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Re(i) - Im(i)
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Frequency v.s. Im(i)
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Frequency v.s. Re(i)
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Simulation setup

Get a better understanding of your data by using gpvdm to simulate Intensity Modulated Photocurrent Spectroscopy (IMPS) and Impedance spectroscopy (IS) experiments. Understand the influence of mobility and carrier trapping, recombination and parasitic components on the frequency response of your device. Use voltage or light to module your device and watch the current and voltage change as a function of frequency. Go back and examine the time domain transients to understand how phase changes as a function of time. Key features include: