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Tutorials

Here you can find tutorials on using OghmaNano. Some talks have an associated slide deck in both ppt and pdf format. Feel free to use/adapt them for your own teaching. Topics covered include: Getting started/basic concepts, 1D Simulations (solar cells and sensors), Carrier trapping, 2D electrical structures (OFETs), Large area devices/circuit models, OLEDs, Material databases, Scripting, Frequency domain simulations, Transient simulations, Optical simulations, Excitonic simulations , Fitting and Misc

1. Getting started/basic concepts

   • What is OghmaNano (3 Mb)
   • Installing OghmaNano (645 Kb)
   • Making a new simulation (2 Mb)
   • Editing electrical parameters (2 Mb)
   • A tutorial on adding new materials to OghmaNano (992 Kb)
   • Optical simulations
     • Transfer matrix simulations (6 Mb)
     • Ray tracing light emission (2 Mb)
   • Absolute beginners guide to perovskite solar cell simulation (8 Mb)
   • OFET simulation and finance difference meshing. (6 Mb)
   • Dumping more data to disk. (6 Mb)
   • OLEDs. (6 Mb)
   • Closing remarks (6 Mb)
   • Python scripting OghamNano (6 Mb)

2. 1D Simulations

   • Setting up electrical and optical simulations in OghmaNano:
   • Simulating a single JV curve in the light and dark with OghmaNano:
   • Modelling Heterojunction tunnelling:
   • Simulating perovskite solar cells with mobile ions and hysteresis - a tutorial:
   • Simulating solar cells with multiple active layers with OghmaNano
   • Reproducing the results of a 10 year old paper with OghmaNano

3. Carrier trapping

   • Why you must include trap states in your simulations (2 Mb)
   • A simulation of a JV curve in an organic solar cell with trap filling using SRH statistics:

4. 2D electrical structures (OFETs)

   • Simulating ofets with OghmaNano (17/02/2017):
   • Simulating buried contacts in multilayer OFETs (31/08/2022):
   • Mini tutorial on OFET simulation using OghmaNano (30/08/2022):
   • Extracting variables as a function of xyz position from a simulation (13/07/2022):
   • imulating 2D BHJ structures in OghmaNano (04/05/2022):

5. Large area devices/circuit models

   • Tutorial on designing large area contacts for flexible electronics:
   • Demo of: Simulating large area hexagonal contacts for organic devices:
   • Understanding Printed Hexagonal Contacts for Large Area Solar Cells through Simulation/Experiment:
   • Simulating solar cells with simple diode models (Ideal diode equation) with OghmaNano

6. OLEDs

   • Simulating OLED structures using ray tracing and drift diffusion
   • Simulating OLEDs with multiple emission layers
   • Ray tracing in thin organic films using gpvdm

7. Material databases

   • Importing new materials into OghmaNano:
   • Simulating a single JV curve in the light and dark with OghmaNano:

8. Scripting

   • Python scripting perovskite solar cell simulation:
   • Scripting solar cell simulation in python with OghmaNano

9. Frequency domain simulations

   • Simulating impedance spectroscopy (IS) in solar cells:

10. Transient simulations

    • Simulating CELIV transients with OghmaNano:
    • Translating OghmaNano in to non-english languages:
    • Simulating optoelectronic sensors made from polymers.

11. Optical simulations

    • Importing fdtd charge generation profiles into OghmaNano:
    • Ray tracing in OLEDs using GPVDM (Organic LEDs):
    • Performing optical simulations with OghmaNano:
    • Ray tracing in arbitrary shapes:
    • Generating photonic crystal structures for FDTD simulation:
    • Tutorial on simulating photonic crystal waveguides using FDTD:
    • Modifying input light sources with a filter in OghmaNano
    • Simulating optical microstructures in thin film devices
    • Designing optical filters, reflective/anti-reflective coatings using OghmaNano

12. Excitonic simulations

    • Modelling excitons in organic solar cells using:
    • 3D Exciton simulation in D/A domains of bulk heterojunction organic solar cells:

13. Fitting

    • Advanced topics in fitting of JV curves to experimental data using OghmaNano
    • Fitting transient photocurrent (TPC) and light JV curves using OghmaNano
    • Fitting the light JV curve of an ultra large area (2.5meter x 1cm) OPV device using OghmaNano
    • Extracting mobility and recombination rates from experimental data using OghmaNano

14. Misc

    • Simulating solar cells using a raspberry pi 3.0:
    • Translating OghmaNano in to non-english languages:
    • How to optimize simulations in OghmaNano so they run faster:
    • Debuging perovskite simulations, mu*tau product, and Maxwell-Boltzmann stats
    • Advanced topics in fitting of JV curves to experimental data using OghmaNano
    • Speeding up simulations by reducing the amount of data written to disk

15. Basics

    • Fundamentals of solar cells (11 Mb)