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DTSTART;TZID=America/Los_Angeles:20260106T153000
DTEND;TZID=America/Los_Angeles:20260106T163000
DTSTAMP:20260430T044123
CREATED:20251209T191123Z
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UID:7588-1767713400-1767717000@www.quantumx.washington.edu
SUMMARY:Chemistry Seminar: Chenjie Zeng
DESCRIPTION:Event interval: Single day eventCampus location: Bagley Hall (BAG)Campus room: BAG 260Accessibility Contact: chem59x@uw.eduEvent Types: Academics\,Lectures/SeminarsLink: https://zeng.chem.ufl.edu/ \n"Precision Synthesis of Semiconductor Nanoclusters: Connecting Coordination\, Cluster\, and Colloidal Chemistry"Assistant Professor Chenjie Zeng – Department of Chemistry\, University of FloridaHost: Brandi Cossairt  \nSemiconductor nanomaterials have broad applications in energy\, information\, and biomedical nanotechnologies. Achieving atomic-level control in semiconductor nanomaterials is crucial for their reproducible synthesis\, consistent properties\, and precision engineering. However\, this has been a significant challenge due to the structural complexity of nanomaterials and their entangled reaction kinetics. Here\, I will show our recent progress in combining coordination\, cluster\, and colloidal chemistry to achieve atomic precision in semiconductor nanoclusters. The development of precise nanoscale reactions has enabled us to answer some important questions\, including (i) how different ligands collaboratively passivate the nanocrystal surfaces\, (ii) the origin of chirality and polarity in semiconductor nanostructures\, (iii) the precise correlation between the excitonic transitions and electronic structures\, and (iv) the atomic-level insights into the intricate reaction mechanisms. We expect that precision nano-synthesis will enable designer semiconductor nanocrystals with atomically tailored properties for their optical\, electronic\, and spin-based applications.
URL:https://www.quantumx.washington.edu/calendar/inorganic-chemistry-seminar-prof-chenjie-zeng/
LOCATION:Bagley Hall (BAG)
CATEGORIES:Chemistry
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BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260107T113000
DTEND;TZID=America/Los_Angeles:20260107T123000
DTSTAMP:20260430T044123
CREATED:20251209T191233Z
LAST-MODIFIED:20260107T180100Z
UID:7589-1767785400-1767789000@www.quantumx.washington.edu
SUMMARY:Chemistry Seminar: Fang Liu
DESCRIPTION:Event interval: Single day eventCampus location: Chemistry Building (CHB)Campus room: CHB 102Accessibility Contact: chem59x@uw.eduEvent Types: Academics\,Lectures/SeminarsLink: https://flgroup.emorychem.science/ \n"Synergizing GPU-Accelerated Quantum Chemistry and Machine Learning for Molecular Discoveries in the Condensed Phase"Assistant Professor Fang Liu – Department of Chemistry\, Emory UniversityHost: Xiaosong Li \nMachine learning (ML) and big data play increasingly critical roles in chemical discovery. However\, datasets (both computational and experimental) and ML models for condensed-phase molecular systems\, such as solvated molecules and molecule assemblies\, remain scarce. My research group leverages GPU-accelerated quantum chemistry and machine learning to address these gaps.  \nMany crucial solvent-solute interactions\, like hydrogen bonds\, cannot be captured by the implicit solvent models routinely used in quantum chemistry calculation\, and require explicit solvent treatment. To streamline the simulation workflow for arbitrary organic and organometallic solute molecules in explicit solvent molecules\, we developed AutoSolvate\, an open-source toolkit. To further enhance accessibility\, we launched AutoSolvateWeb\, a chatbot-assisted\, cloud-based platform that automates simulation setup and execution using cloud resources. These tools have enabled the efficient generation of diverse computational datasets for solvated molecules. Leveraging these datasets\, we trained Δ-ML models to enhance the accuracy of low-cost computational methods against experimental measurements.   \nFor molecular assemblies\, we addressed computational challenges in predicting excited-state properties. We developed a size-transferable machine-learned exciton model that significantly reduces computational costs by tens of thousands of folds without sacrificing accuracy. Additionally\, we aim to bridge the gap between simulated and experimental datasets by leveraging large volumes of computational data to train ML models for real-time analysis in autonomous experiments. As a proof of concept\, we successfully trained an ML model to detect material phase transitions in situ using angle-resolved photoemission spectroscopy (ARPES). 
URL:https://www.quantumx.washington.edu/calendar/physical-chemistry-seminar-prof-fang-liu/
LOCATION:Chemistry Building (CHB)
CATEGORIES:Chemistry
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DTSTART;TZID=America/Los_Angeles:20260113T153000
DTEND;TZID=America/Los_Angeles:20260113T163000
DTSTAMP:20260430T044123
CREATED:20251208T211546Z
LAST-MODIFIED:20260113T183027Z
UID:7590-1768318200-1768321800@www.quantumx.washington.edu
SUMMARY:Chemistry Seminar: John Anderson
DESCRIPTION:Event interval: Single day eventCampus location: Bagley Hall (BAG)Campus room: BAG 260Accessibility Contact: chem59x@uw.eduEvent Types: Academics\,Lectures/SeminarsLink: https://andersonlab.uchicago.edu/"TBD"Professor John Anderson – Department of Chemistry\, University of ChicagoHost: Doug Reed
URL:https://www.quantumx.washington.edu/calendar/chemistry-seminar-prof-john-anderson/
LOCATION:Bagley Hall (BAG)
CATEGORIES:Chemistry
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260114T113000
DTEND;TZID=America/Los_Angeles:20260114T123000
DTSTAMP:20260430T044123
CREATED:20251209T191627Z
LAST-MODIFIED:20260114T184550Z
UID:7591-1768390200-1768393800@www.quantumx.washington.edu
SUMMARY:Chemistry Seminar: Andres Montoya-Castillo
DESCRIPTION:Event interval: Single day eventCampus location: Chemistry Building (CHB)Campus room: CHB 102Accessibility Contact: chem59x@uw.eduEvent Types: Academics\,Lectures/SeminarsLink: https://www.colorado.edu/chemistry/andres-montoya-castillo \n"Deciphering & controlling the mechanisms of energy\, charge\, & information flow in molecules & nanomaterials."Assistant Professor Andrés Montoya-Castillo – Department of Chemistry\, University of Colorado BoulderHosts: Anne McCoy and Xiaosong Li \nSpectroscopy has the potential to reveal the structure and dynamics of complex materials\, ranging from chromophores in solution to molecular aggregates\, nanomaterials\, and even quantum sensors. Yet\, disentangling spectral signals and extracting an intuitive picture of how excitations form\, move\, and transform is one of the deepest and most persistent challenges of physical chemistry. In this talk\, I will offer two vignettes on our work developing and applying approaches to predict and understand light-matter interactions can reveal the mechanisms of energy flow that set the stage for controlled energy harvesting and quantum sensing. In the molecular world\, I will show how our recent advances in condensed phase spectroscopy enable us to decipher a long-standing puzzle in porphyrin photophysics: why and how do the Q bands involved in energy transfer in photosynthesis and artificial energy conversion split? In the world of quantum information\, I will show how we can build intelligent algorithms that enable us to extract signals from quantum noise—signals that reveal structure and dynamics in the quantum world and which promise an exciting future for quantum sensing technology.  Andres Montoya-Castillo obtained his BA in chemistry and literature with a minor in physics. He obtained his PhD in Chemical Physics from Columbia University\, working with Prof. David Reichman\, and then did his postdoc at Stanford University in the group of Prof. Thomas Markland. He started his independent career at the University of Colorado Boulder in 2021.   Andres's research centers on developing and applying methods to capture the dynamics of charge and energy transfer in complex condensed phase environments and conformational changes underlying protein folding in biophysical systems. He and his group have made contributions in fields ranging from biophysics to energy conversion and quantum information.   Andres received the DOE Early Career Award in 2023\, the Marinus Smith mentoring award and a Packard Fellowship in 2024\, was selected as a Faculty Fellow by the Research & Innovation office at the University of Colorado Boulder\, a Kavli Fellow\, and a Scialog Fellow in Quantum Matter & Information\, and received the NSF CAREER in 2025. 
URL:https://www.quantumx.washington.edu/calendar/chemistry-seminar-prof-andres-montoya-castillo/
LOCATION:Chemistry Building (CHB)
CATEGORIES:Chemistry
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DTSTART;TZID=America/Los_Angeles:20260130T133000
DTEND;TZID=America/Los_Angeles:20260130T145000
DTSTAMP:20260430T044123
CREATED:20251230T223828Z
LAST-MODIFIED:20260126T192101Z
UID:8264-1769779800-1769784600@www.quantumx.washington.edu
SUMMARY:Tristan Shi (University of Washington)\, QISE Seminar: Ultrafast control of quantum materials with terahertz-frequency light
DESCRIPTION:Abstract \n\n\n\nA considerable portion of quantum mechanics’ potency is obscured in thermal equilibrium. Diverse realms rely on creating quantum phases far from equilibrium\, such as quantized particles and many-body systems with applications in quantum information processing and storage. Ultrafast terahertz-frequency (THz) laser pulses offer an enticing capability to achieve nonequilibrium phases dictated by collective quantum effects as their timescales are commensurate with nanoscopic dynamics of electrons\, spins\, lattice ions\, etc. In this talk\, I will first show that THz-frequency pulses can control the universal photoluminescence blinking in single quantum dots\, which remains an ongoing challenge despite decades of research. Then\, I will present a nonresonant excitation approach for selective phase controls\, exemplified by ferroelectric reversal in LiNbO3 and polymorphic transition in SnSe intertwined with nontrivial band topology. Finally\, I will illustrate how the fundamental comprehension of THz-matter interaction can be leveraged to design a nanophotonic device for polarization-sensitive THz imaging. \n\n\n\nTristan Shi is an Assistant Professor in the Department of Chemistry. His lab develops ultrafast terahertz-to-mid-infrared laser technologies to characterize\, control\, and create non-equilibrium phases with emergent quantum properties on demand. By exploiting strong light–matter interactions at terahertz frequencies in two-dimensional correlated electron systems and quantum emitters\, his group explores new routes toward high-speed\, robust quantum information storage\, processing\, and communication.
URL:https://www.quantumx.washington.edu/calendar/tristan-shi-uw/
LOCATION:Electrical and Computer Engineering (ECE)\, Room 037\, 185 W Stevens Wy NE\, Seattke\, Washington\, 98185
CATEGORIES:Chemistry
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