The Advanced Photon Source
a U.S. Department of Energy Office of Science User Facility

NST Colloquium: Accelerating Exploratory Materials Synthesis with Data, Machine Learning, and Robots

Type Of Event
Colloquium
Location
Virtual
Speaker
Joshua Schrier, Fordham University
Host
Pierre Darancet
Start Date
06-23-2021
Start Time
11:00 a.m.
Description

Abstract: 
Abstract: Machine learning is increasingly used by chemists and materials scientists. However, many of these demonstrations have been based on computational datasets. Experimental data presents unique challenges—it is often limited in scale, biased by human choices, and often only semi-structured, all of which present challenges for machine learning applications. Automated experimentation provides the opportunity to improve the quality and scale of experimental data, and also create opportunities to test algorithmically-designed experiments in the laboratory.

In this talk, I will describe our efforts in developing RAPID (Robotic-Accelerated Perovskite Investigation and Discovery)—a platform for doing semi-automated syntheses of metal halide perovskites—and ESCALATE (Experiment Specification, Capture and Laboratory Automation Technology) an adaptable open-source package for experiment description and data collection. I will discuss several example applications where we have been able to use this hardware and software combination to accelerate the discovery of new materials, find scientific insights latent in our historical datasets, perform model-driven quality control on our scientific experiments, and automate serendipity by statistical analysis of experimental metadata.

Biography: Joshua Schrier is a physical chemist interested in using computers to accelerate the discovery of new materials, by using a combination of physics-based simulations, cheminformatics, machine learning, and automated experimentation. He is the Kim B. and Stephen E. Bepler Professor of Chemistry at Fordham University in New York City. Prior to joining Fordham in 2018, he was on the faculty at Haverford College, and a Luis W. Alvarez computational sciences postdoctoral fellow at Lawrence Berkeley National Laboratory. As a faculty member, he has received awards include the Dreyfus Teacher-Scholar, U.S. Department of Energy Visiting Faculty, and Fulbright scholar awards.


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