Welcome to our new series of videos FLUXiM's Science Shorts
This month we are keeping it short.
We could discuss the latest research that has been published with the help of our research tools (you can read them here).
Or how excited we are to present IN PERSON during several conferences this year (see where we’ll be in May, here).
But first, we wanted to share with you the first of a new series of videos we’re working on presented by our application scientist Dr. Antonio Cabas Vidani.
There are literally hundreds of videos online that discuss at GREAT length the fundamentals of materials science or the latest research techniques and discoveries. We wanted to produce a series of videos that would be beneficial to researchers who are specifically working on next-generation photovoltaics, displays, and batteries. But they had to be short and to the point hence the series is called Science Shorts.
Our first episode looks at Transient Photoluminescence (TrPL) in Metal Halide Perovskites and explains how the investigation of charge carrier dynamics after photoexcitation is essential to determine several characteristics of a solar cell. You can watch it here first and if you have any question please leave them in the comments section, we will answer them:
The source material we used for this video can be found in our research blog: Fitting Routine For A Reliable Transient Photoluminescence Simulation Of Perovskite Films
New Research Results Enabled by Our Tools
Determining non-radiative decay rates in TADF compounds using coupled transient and steady state optical data
S. Sem, S. Jenatsch, K. Stavrou, A. Danos, A. P. Monkman and B. Ruhstaller J. Mater. Chem. C, 2022, DOI: 10.1039/d1tc05594a
Thermally-activated delayed fluorescence (TADF) compounds are promising materials used in emissive layers of organic light-emitting diodes (OLEDs). Their main benefit is that they allow the internal quantum efficiency of the OLED to reach up to 100% by converting non-radiative triplet states into radiative singlets.
Besides the importance of having a high reverse intersystem-crossing rate, which governs triplet conversion, minimizing the non-radiative decay processes is also extremely important to reach high efficiency. In this study the researchers provide a new method to quantify not only the most important decay rates involved in the TADF process, but also the non-radiative decay rates of both singlet and triplet states individually from transient and steady state experimental optical data.
Revealing the strain-associated physical mechanisms impacting the performance and stability of perovskite solar cells
Wei Meng, Karen Forberich, Christoph J. Brabec et al. Joule, 6, 2, 2022
doi.org/10.1016/j.joule.2022.01.011
This research provides new insights into the identification of strain at the buried interfaces of perovskite thin films and reveals the strain-associated physical mechanisms impacting the performance and stability of perovskite solar cells.
Setfos was used to simulate the IV curve of perovskite cells with/without strain. They included the graded interface in the simulation and also the increased trap density.
You can access over 300 research papers published by our customers here: https://www.fluxim.com/publications-overview
Join us at these Conferences in May
Display Week 2022 Society for Information Display
May 10 – May 12, 2022
McEnery San Jose Convention Center, San Jose, Califormia, USA
Display week is back in person in 2022. It’s been over 2 years since this major event in the display industry conference calendar has taken place in a face to face environment and we can’t wait. It will be great to see some familiar faces again.
Representing Fluxim will be Stefano Sem who will be participating in the poster session:
Estimating Non-radiative Decay Rates in TADF Emitters Using Steady-State and Transient Optical Data
Thursday May 12, 5.00pm
NanoGe Hybrid and Organic Photovoltaics Conference HOPV - Sponsored by Fluxim
May 19 - May 25, 2022
Sercotel Sorolla Palace, Valencia, Spain.
The 15th International Conference on Hybrid and Organic Photovoltaics.
NanoGE
The main topics of this conference are the development, function, and modeling of materials and devices for hybrid and organic solar cells, including solar cells, organic solar cells, quantum dot solar cells, and dye-sensitized solar cells, together with their integration into complementary devices such as photoelectrochemical water splitting. Building upon the success of the previous HOPV conferences, the conference will provide an excellent opportunity for scientists and engineers around the world to discuss the latest developments in hybrid and organic photovoltaics.
Fluxim will have a stand at this conference and we’d be happy to discuss how our instruments or software could help in your research.
We will be demonstrating our characterization tool Paios alongside our simulation software Setfos and Laoss. We can’t bring all our instruments but we will be happy to discuss Litos, Litos Lite or Phelos should they be of interest to you.
If you’d like to arrange a meeting ahead of this event please email us and we can arrange a time suitable for you: info@fluxim.com
Dr. Sandra Jenatsch will be making an oral presentation:
Assessing the validity of analytical models to determine trap state parameters from thermally stimulated current responses by means of drift-diffusion simulations
Wed May 25, Session 3B3 - Modelling, 15:45 - 16:00 Modelling-O2
Dr. Antonio Cabas Vidani will also be making an oral presentation on:
Assessment Of Photon Recycling In Perovskite Solar Cells By Fully Coupled Optoelectronic Simulation
Wed May 25, Session 3B3 - Modelling, 16:45 - 17:00 Modelling-O6
You can view the full conference program: https://www.nanoge.org/HOPV22/program/program