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<p class="MsoNormal"><b><span lang="en-NL"><a href="https://vu.nl/en/events/2025/colloquium-with-erik-c-garnett">Colloquium with Erik C. Garnett</a><o:p></o:p></span></b></p>
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<p class="MsoNormal"><b><span lang="en-NL">12:30 - 12:50 - PhD Candidate (tbc)<br>
<br>
12:50 -13:45 - Erik C. Garnett, AMOLF, Amsterdam, the Netherlands <br>
<br>
The Material Evolution Revolution</span></b><span lang="en-NL"> <o:p></o:p></span></p>
<p class="MsoNormal"><b><span lang="en-NL">Abstract: </span></b><span lang="en-NL">Traditionally we design materials with exactly the properties we want and try to make them stable for decades – we intentionally avoid mutations. This means that we avoid degradation
processes like rusting, cracking and warping, but we also exclude the possibility that materials improve over time or adapt to their environment. The idea of a bridge becoming more stable or a computer becoming faster with use may sound absurd, but such performance
enhancements over time are a hallmark of biological evolution. We are not surprised now that AI models become better over time and even design them to evolve and improve, so why don’t we take such an approach with materials and devices? This lecture outlines
the requirements for such evolvable materials and proposes spatiotemporal patterning of light as a tool to direct the evolution. It looks at two easily mutable systems – metal nanoparticles and halide perovskite semiconductors – as platforms to study material
evolution. I will highlight the ways that light can both control and measure the properties of these materials in space and time. I will then show several examples of adaptable, self-optimizing and (re)programmable functions in photovoltaics, optics and catalysis
and our first results on materials that display memory and elements of learning. I will end with my vision for the material evolution revolution and the exciting possibilities it presents.<br>
<br>
<b>Biography<br>
<br>
Erik Garnett</b> studied chemistry at the University of Illinois at Urbana-Champaign, USA, and obtained his PhD at the University of California at Berkeley. After his PhD he became a postdoctoral fellow at Stanford University, where he became acquainted with
photonics, photovoltaics and plasmonics. He made the integration of nanophotonics with nanomaterials the prime goal of his research when he started his own independent academic career at AMOLF in 2012. There, he is one of the pioneers in understanding light-matter
interactions in nanoscale solar cells, using well-controlled model systems and advanced nano-characterization techniques in order to answer the most pressing materials chemistry questions. His work leads to applications in solar cells, LEDs and light-driven
chemical reactions. Since 2017 he is also professor of Nanoscale Photovoltaics at the University of Amsterdam. In 2022 he received the KNCV gold medal, given annually to one outstanding chemist under 40 working in the Netherlands.<o:p></o:p></span></p>
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