Archive October 2024

LAM seminar series

 ABOUT LAM SEMINAR SERIES

Goals: The goal of the seminar series organized by the Advanced Materials Laboratory is to provide UK staff and students, as well as the general public, with the opportunity to learn about the latest advances in materials science, with a particular focus on topics at the interface between chemistry, physics and biology. Seminars are presented by eminent scientists from Slovakia and abroad, from academia and industry, engaged in research in these fields. In order to be informative and attractive to non-specialists, students as well as specialists, the lectures will typically be divided into two parts. In the first part, aimed primarily at non-specialists, the speaker will provide a brief introduction to the basic principles relevant to the discussed research topic and, where appropriate, an overview of potential practical applications. In the second part, the speaker will summarize the latest findings from research in his laboratory.

Where? Seminars are held in the large conference room of the Science Park at Comenius University (or an alternative venue at the PriFUK if the VPUK is not available). [webpage]

When? LAM seminars are typically held on Fridays at 10:00 am. The lectures and speakers are before each lecture anounced by email to all students and employees of the Faculy of Natural Sciences, Faculty of Mathematics Physics and Informatics and info flyers are posted at other institutions and public locations.

During the LAM seminars we provide small refreshments for the participants.

We look forward to seeing you!

 

 

LAM seminar series: Internal and External Control of Excitons in Colloidal Quantum Dots

Lecture title: Internal and External Control of Excitons in Colloidal Quantum Dots

Presented by: Dr. Jennifer A. Hollingsworth

Time and place: The lecture will take place on Friday, October 21st, 2024, at 10:00 am, in the large conference room of the Comenius University Science Park.

Abstract. Colloidal quantum dots (cQDs) synthesized in simple laboratory flasks are finding real-world applications in demanding technologies from displays and lighting to photovoltaics and photodetectors. In the future, cQDs may be the basis for single-photon devices in quantum networks. Beyond quantum-size control, we pursue an expanded “structural toolbox” to synthetically engineer new quantum emitters with targeted photophysical properties, including non-blinking behavior, biexciton enhancement, dual-color emission.  Taking advantage of their solution-phase processibility, we prepare cavity- or antenna-coupled cQD hybrid materials using, e.g., deterministic, direct-write nanointegration.  The former—precision synthesis—affords internal control over excitonic properties, while the latter—hybrid materials fabrication—affords external control via local environmental effects.

About the speaker. Dr. Jennifer A. Hollingsworth is a Laboratory Fellow at Los Alamos National Laboratory (LANL). She is a Fellow of the American Chemical Society (ACS), the American Physical Society (Materials Physics) and the American Association for the Advancement of Science (Chemistry), and serves as an elected Councilor for the ACS Division of Colloid & Surface Chemistry. She holds a BA in Chemistry from Grinnell College and a PhD degree in Inorganic Chemistry from Washington University in St. Louis. She joined LANL as a Director’s Postdoctoral Fellow in 1999, becoming a staff scientist in 2001. In 2013, she was awarded the LANL Fellows’ Prize for Research for her discovery of non-blinking “giant” quantum dots. She serves as Thrust Leader for Nanophotonics & Optical Nanomaterials in the Center for Integrated Nanotechnologies (CINT), a US-DOE Nanoscale Science Research Center and User Facility. Her research interests include discovery, rational design, and development of novel colloidal quantum emitters, unique synthesis and assembly techniques (e.g., automated synthesis, microfluidics-enabled nanowire growth, and scanning-probed-enabled direct write nanointegration), and nanomaterials applications, such as bioimaging, solid-state lighting and single-photon quantum light sources. In these areas, she has ~125 publications, >17,000 citations, and an h-index of 54.

 

You can find more in the invitation here:  [.pdf]