Accelerated design and optimization of novel OLED materials via active learning

Hadi Abroshan; Anand Chandrasekaran; Paul Winget; Yuling An; Shaun Kwak; Christopher Brown; Mathew D. Halls

doi:10.1117/12.2598140

1 August 2021 Accelerated design and optimization of novel OLED materials via active learning

Hadi Abroshan, Anand Chandrasekaran, Paul Winget, Yuling An, Shaun Kwak, Christopher Brown, Mathew D. Halls

Proceedings Volume 11808, Organic and Hybrid Light Emitting Materials and Devices XXV; 118080S (2021) https://doi.org/10.1117/12.2598140
Event: SPIE Organic Photonics + Electronics, 2021, San Diego, California, United States

Abstract

To date, the development of organic light-emitting diode (OLED) materials has been primarily based on a combination of chemical intuition and trial-and-error experimentation. The approach is often expensive and time-consuming, let alone in most instances fails to offer new materials leading to higher efficiencies. Data-driven approaches have emerged as a powerful tool to accelerate the design and discovery of novel materials with multifunctional properties for next generation OLED technologies. Virtual high-throughput methods assisted by machine learning (ML) enable a broad screening of chemical space to predict material properties and suggest new candidates for OLEDs. In order to build reliable predictive ML models for OLED materials, it is required to create and manage a high volume of data which not only maintain high accuracy but also properly assess the complexity of materials chemistry in the OLED space. Active learning (AL) is among several strategies developed to face the challenge in both materials science and life science applications, where the data management in large-scale becomes a main bottleneck. Here, we present a workflow that efficiently combines AL with atomic-scale simulations to reliably predict optoelectronic properties of OLED materials. This study provides a robust and validated framework to account for multiple parameters that simultaneously influence OLED performance. Results of this work pave the way for a fundamental understanding of optoelectronic performance of emergent layers from a molecular perspective, and further screen candidate materials with superior efficiencies before laborious simulations, synthesis, and device fabrication.

Conference Presentation

Citation Download Citation

Hadi Abroshan, Anand Chandrasekaran, Paul Winget, Yuling An, Shaun Kwak, Christopher Brown, and Mathew D. Halls "Accelerated design and optimization of novel OLED materials via active learning", Proc. SPIE 11808, Organic and Hybrid Light Emitting Materials and Devices XXV, 118080S (1 August 2021); https://doi.org/10.1117/12.2598140

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