Elles Group News
- Former REU student Tyler Tommey (summer 2011) recently completed his Ph.D. in polymer science at the University of Akron. Congrats, Tyler!
- Chris Otolski's paper "Spatial confinement alters the ultrafast photoisomerization dynamics of azobenzenes" is accepted for publication in Chemical Science. This paper is another exciting result from our very successful collaboration with V. Ramamurthy and his group at U. Miami.
- The group is awarded a new 3-year grant from the NSF to fund our work on Ultrafast Dynamics of Highly Excited Molecules in the Condensed Phase.
- Kristen's paper "Absolute cross sections of liquids from broadband stimulated Raman scattering with femtosecond and picosecond pulses" is accepted for publication in Analytical Chemistry.
- Dr. Tim Quincy (Ph.D. 2018) has accepted a tenure track faculty position at Lincoln University (MO). After completing his Ph.D. in our group, Tim spent the last two years as a teaching postdoc at St. Ambrose University (IA). Congratulations, Tim, and good luck!
- Former REU student Darien Morrow (summer 2014) completed his Ph.D. working with Prof. John Wright at the University of Wisconsin. He will be starting a postdoc position with Xuedan Ma at Argonne National Lab. Way to go, Dr. Morrow!
- Congratulations to Kristen, Rob, and Jess for earning departmental awards!
- Matt's paper "On the discrepancy between experimental and calculated Raman intensities for conjugated phenyl and thiophene derivatives" is accepted for publication in JPC A.
- Robert Castaneda joins the group for undergraduate research. Welcome, Rob!
- Our paper with the Blakemore group "Ultrafast spectroscopy of [Mn(CO)3] complexes: Tuning the kinetics of light-driven CO release and solvent binding" is accepted for publication in Inorganic Chemistry.
- Matt Barclay successfully defends his Ph.D. dissertation, "Experimental and Theoretical Study of Resonance Raman Spectroscopy in Ground and Excited Electronic States". Matt will start a postdoc position with Dr. Ryan Pensack in the Nanoscale Materials and Device Group at Boise State University in January. Congratulations on the great work at KU, and good luck in Boise!
- Dan, PJ, and Chris travel to the Advanced Photon Source with Wade Henke and James Blakemore from the Blakemore group (KU) for 5 days of around-the-clock experiments to study Mn(CO)3 complexes using time-resolved x-ray absorption spectroscopy (TR-XAS). We are working in collaboration with the AMO Physics group at ANL, where former grad student Chris Otolski is now a postdoc.
- Matt's benchmarking paper "A benchmark study of ground-state Raman spectra in conjugated molecules" is accepted for publication in JCTC.
- Undergraduate student Jess Bair joins the group to begin a new research project. Welcome, Jess!
- Our new high-repetition rate ultrafast laser arrives! This instrument will support new experiments funded by our recently awarded NSF grant on two-photon absorption spectroscopy.
- Former member Amanda Houk welcomes her new baby into the world. Congratulations Amanda, Levi, and baby Houk!
- Former visiting graduate student Sadegh Mahvidi's paper "Influence of Protonation on the Photochromic Behavior, Phase Transfer and Thermal Stability of Phenylamine-Substituted Diarylethenes" is accepted for publication.
- Matt's paper "Femtosecond simulated Raman scattering from triplet electronic states: Experimental and Theoretical Study of Resonance Enhancements" is accepted for publication in J. Phys. Chem. A.
- The group is granted another round of beam time for TR-XAS measurements at the Advanced Photon Source at Argonne National Lab. We will continue our successful collaboration with the Blakemore group (KU) and the AMO Physics group at ANL to study photodegradation mechanisms of Mn(CO)3 complexes.
- David Stierwalt successfully defends his MS thesis, "Broadband Two-Photon Absorption Spectroscopy: Measure Accurate Absolute Cross-Sections"! Nice work, and good luck, David!
- We moved into our new lab space in the Integrated Science Building (ISB)! We now have two ultrafast laser labs, and a wet lab for sample preparation.
- The group is awarded a new 3-year grant from the National Science Foundation to work on Broadband Two-Photon Absorption Spectroscopy for High-Repetition-Rate Lasers.
- David Stierwalt presents at talk about his research at the International Symposium in Molecular Spectroscopy (ISMS) at Urbana-Champaign, Illinois.
- Chris Otolski successfully defends his PhD dissertation on "Mechanisms of Condensed Phase Reactions: The Role of Structure, Dynamics, and Environment in Photoisomerization and Photodissociation"! Congratulations on a productive time at KU, Chris! He is off soon to start a postdoc position in the AMO Physics Group at Argonne National Laboratory.
- Chris Otolsk's paper "Ultrafast trans→cis photoisomerization dynamics of alkyl-substituted stilbenes in a supramolecular capsule" is accepted for publication in J. Phys. Chem. A.
- Chris Otolski wins a Paquette Scholarship at the annual departmental awards banquet.
- Kristen Burns successfully completes her comprehensive oral exam! Nice work, Kristen!
- Chris Otolski accepts a postdoc position in the AMO Physics Group at Argonne National Lab. He will head to ANL after defending his dissertation later this spring.
- Click here to watch a video of the Physics Colloquium that Chris gave in February.
- Chris Otolski presents two posters on his work at the Winter Meeting of the Inter-American Photochemical Society in Sarasota, Florida.
- Chris Otolski's paper "Ultrafast Dynamics of Encapsulated Molecules Reveals New Insight on the Photoisomerization Mechanism for Azobenzenes" is accepted for publication in J. Phys. Chem. Lett.
- Chris Otolski presents a poster on his research at the symposium on Imaging and Controlling Ultrafast Dynamics of Atoms, Molecules, and Nanostructures in Manhattan, KS.
- Congratulations to Chris Otolski for successfully passing his comprehensive oral exam!
- Emmaline is one of four KU students nominated for the prestigious Goldwater Scholarship.
- Emmaline was selected for the summer research exchange program at Dublin City University, Ireland.
- Former REU student Darien Morrow earns an Honorable Mention from the NSF Graduate Research Fellowship Program. Nice work, Darien!
- Tim presented a poster on his research at the Pacific Conference on Spectroscopy and Dynamics in Asilomar, California.
- New graduate students David Stierwalt and Kristen Burns join the group. Welcome!
- Emmaline earns another Undergraduate Research Award (UGRA). The award will support her research on two-photon activated molecules during the Spring 2017 semester. Great job, Emmaline!
- Chris is named a finalist for the student-nominated H.O.P.E (Honor for the Outstanding Progressive Educator) Teaching Award.
- Emmaline Lorenzo is named a Research Ambassador by the KU Center for Undergraduate Research.
- Chris Otolski presents a poster on his research at the EPSCoR meeting in Lincoln, Nebraska.
- Our paper with Tullio Scopigno's group (Univ. of Rome) on the transient Raman spectroscopy of methylphenylthiophene was accepted for publication in J. Phys. Chem. Letters.
- It's a boy!!! Jorge welcomes baby Isaac into the world!
- The High School Teacher Development Workshop, Seeing the Unseen in the Physical Sciences, welcomes 25 teachers from across Kansas. This was the second workshop organized with our help under the Kansas-Nebraska EPSCoR grant.
- Chris was honored to receive the J. Michael Young Academic Advisor Award, a student-nominated award from the College of Liberal Arts and Sciences.
- Emmaline won two awards for her poster presentation at the annual KU Undergraduate Research Symposium. Not only did she win one of the Outstanding Presentation Awards, she also earned a second place award in the Sigma Xi Undergraduate Research Competition that was judged simultaneously. Great job, Emmaline!
- Visiting student Sadegh Mahvidi arrived at KU. He will be working in our lab to examine the excited-state properties of several photochromic compounds that he has synthesized. Sadegh is on sabbatical from his home institution in Iran, and comes to us directly from Japan, where he just completed a 6 month stay in the lab of Prof. Yokoyama.
- Emmaline accepted an offer to participate in the REU program at the University of Illinois this summer. She will work with Prof. Josh Vura-Weis.
- Amanda's paper on the two-photon activation of p-hydroxyphenacyl phototrigger compounds (a collaboration with Prof. Rich Givens) has been accepted for publication in J. Phys. Chem. B.
- Undergrad Jorge Perez has been named as a McNair Scholar
- Emmaline won an Undergraduate Research Award (UGRA) to support her project "The Methodology of Two-Photon Excitation and Its Application to Photoactivated Compounds". Way to go, Emmaline
- Jorge Perez joins the group. He is an undergraduate in the UKanTeach program who will work to develop a lesson plan that incorporates spectroscopy into the High School chemistry curriculum. Welcome aboard, Jorge!
- Chris Otolski and Matt Barclay gave talks, Tim Quincy and Emmaline Lorenzo presented posters about their research at the annual Kansas Physical Chemistry Symposium.
- Chris Otolski gave a talk, Matt and Emmaline presented posters at the Wakarusa Valley ACS Student Research Symposium. Emmaline won an award for best undergraduate poster presentation!
- Amanda Houk successfully defends her Ph.D. dissertation: "Nonlinear Excitation of Photoactivated Molecules: Two-Photon Absorption Spectroscopy, Dynamics, and Quantum Yields." No time to celebrate, though, she heads off right away to start her postdoctoral research at Savannah River National Laboratory in South Carolina. Congratulations on all of your great accomplishments, Amanda, and good luck!!!
- Chris Otolski presents a poster about his research at the Kansas-Nebraska NSF EPSCoR Meeting in Lincoln, Nebraska.
- Ryan's summer REU experience at KU is highlighted by the Kansas EPSCoR Program!
- Ryan and Emmaline present posters about their summer research at the Annual KU Summer Undergraduate Research Poster Session. Nice work this summer!
- Tim presented a poster at the "Time-Resolved Vibrational Spectroscopy (TRVS) Meeting in Madison, WI.
- Brooks, Nick, and Jung Moon participate in a teacher development workshop on "Connecting the Physics of Waves and Electromagnetic Radiation with the Next Generation Science Standards." The workshop was organized under the Kansas-Nebraska EPSCoR grant. Read more about the workshop here.
- Jung Moon Suh, a KU undergraduate, joins our research team for the summer. Jung Moon will work on teaching modules under our NSF Career Award.
- We welcome our newest member, Ryan Hamelin, a summer REU student from Fitchburg State University in Massachusetts. Current undergrad Emmaline Lorenzo will also be participating in the summer REU program this year.
- Amanda wins the Helen and Paul Gilles Award, our highest departmental award for graduate research in physical chemistry. Nice job!
- Brooks and Emmaline both win the inaugural Frank Newby Award in Physical Science, a top honor for chemistry undergraduates early in their career. Great work!
- Former REU Summer Research student Darien Morrow will attend graduate school at the University of Wisconsin this fall. Good luck, Darien!
- Amanda presented a poster at the KU Graduate Research Competition.
- Tim passed his Oral Comprehensive Exam. Way to go, Tim!
- Amanda presented a poster on her research at the Pacific Conference on Spectroscopy and Dynamics in Asilomar, California.
- Undergraduates Emmaline Lorenzo, Brooks Hidaka, Nick Jackson, and Victoria Gunderson join the group. Welcome!
- Amanda's paper on the two-photon absorption spectroscopy and dynamics of trans-stilbene has been accepted for publication in J. Phys. Chem. B.
- Cassie's paper on the cycloreversion dynamics of a photochromic diarylethylene switch using the two-color pump-repump-probe technique has been accepted for publication in J. Phys. Chem. A.
- John and Thomas entered a poster in the Wakarusa Valley ACS Student Research Symposium in Atchison. Thomas was there to present, and won the award for best poster presentation. Nice work!
- We are part of a consortium of research groups in Kansas and Nebraska that has been awarded a $6M EPSCoR grant from the NSF! The project, "Imaging and Controlling Ultrafast Dynamics of Atoms, Molecules, and Nanostructures" includes researchers from KU, KSU, and the University of Nebraska-Lincoln.
- Darien presents a poster on his summer research project at the annual KU Summer Undergraduate Research Poster Session.
- Cassie moves to UNC to start a postdoc position with Gerald Meyer. Good luck in Chapel Hill, Cassie!
- Welcome to Matthew Barclay, an incoming graduate student from Creighton University who will be working with us this summer.
- Welcome to Darien Morrow, a summer REU student from Missouri Western State University who will be working with us this summer.
- A second paper from the collaboration with Tullio Scopigno (U. Rome) has been accepted for publication in J. Phys. Chem. B.
- Cassie successfully defended her Ph.D. thesis: "Controlling the cycloreversion reaction of a diarylthene derivative using sequential two-photon excitation." She was awarded the distinction of Honors Pass. Excellent work, Cassie!
- Undergraduate research student Graham Oltjen has landed a job as a field engineer with Halliburton. He will begin work after graduating with a B.S. in Chemistry this spring.
- Amanda and Cassie are recognized for their "outstanding" work at the annual Chemistry Department Awards Reception. Way to go!
- Former REU Summer Research student Samantha Allen will attend graduate school at the University of Colorado this fall. Good luck, Samantha!
- Cassie presents her work at the Pacific Conference on Spectroscopy and Dynamics in Asilomar, CA. The title of her talk is "Using sequential two-photon excitation to controll the cycloreversion reaction of a diarylethene derivative via the higher excited states."
- Undergraduate research students Graham Oltjen and Thomas Hurley join the group. Graham will study triplet quenching of photoinitiators in solution via laser flash photolysis, and Thomas will develop a module for teaching fundamental absorption spectrometry to high school students.
- Igor's paper on the ultrafast intersystem crossing kinetics of a photosensitizer for cationic polymerization was accepted for publication in Photochemistry and Photobiology.
- The Elles Group welcomes our newest undergrad research student, John Bliss. John will be measuring quantum yields for the conversion of photochromic molecules.
- Jenna's work on the ultrafast dynamics of CdSe nanorods, in collaboration with the groups of Viktor Chikan and Dan Higgins at K-State, has been accepted for publication in the Journal of Physical Chemistry C. The title is: "Investigation of fluorescence emission from CdSe nanorods in PMMA and P3HT/PMMA films"
- Cassie and Jenna presented posters at the Gordon Research Conference on Photochemistry at Stonehill College in Easton, MA.
- Welcome to Samantha Allen, a summer REU student from Agnes Scott College who will be working with us all summer!
- Cassie was awarded the Paul and Helen Gilles Award in Physical Chemistry. Congrats, Cassie!
- Former group member Tyler Tommey (REU, summer 2011) will begin graduate school this fall in the Polymer Science program at the University of Akron. Best wishes, Tyler!
- Congratulations to Jenna Wasylenko for passing her oral comprehensive exam!
- Dr. Igor Zheldakov accepted a position with Spectra Group Limited in Toledo, Ohio. Spectra Group specializes in developing novel photochemical systems for various applications. Igor will continue to work with the Elles Group through a new collaboration with Spectra.
- Amanda presented a poster at the Inter-American Photochemical Society meeting in Sarasota, Florida.
- Congratulations to Amanda Houk for passing her oral comprehensive exam!
- Welcome to our newest group members, Tim Quincy and Riley Ross!
- The Elles Group has been awarded a grant from the ACS Petroleum Research Fund to study the Ultrafast Dynamics of Organic and Molecular Electronics Components. Check out the full story: http://www.chem.ku.edu/news/
- Cassie's paper, "Controlling the excited-state reactiondynamics of a photochromic molecular switch with sequential two-photonexcitation", was accepted for publication in the Journal of Physical Chemistry Letters.
- Chris was awarded a five year, $650,000 CAREER award from the National Science Foundation for his proposal "Controlling non-adiabatic reaction dynamics in solution: A window on the fundamental details of photochemical reactions."
- Elles group alum, Joseph Varberg, will start graduate school at the Indiana University School of Medicine BioMedical Gateway Program. Best wishes, Joe!
- Cassie presented a poster at the Gordon Research Conference on Electronic Spectroscopy and Dynamics
- Igor Zheldakov presented a poster at the Gordon Research Conference on Atomic and Molecular Interaction
- Chris has been awarded a Visiting Faculty position at the University of Rome (La Sapienza). He will spend 3 months this summer working with Tullio Scopigno to study the structural dynamics of molecular switches using Femtosecond Stimulated Raman Spectroscopy (FSRS).
- Cassie Ward was awarded the Kenneth L. and Gertrude Irene Marsi Scholarship for superior academic performance by an advanced graduate student.
- Will Cleek was awarded the Bricker Scholarship for outstanding performance by a chemistry major.
- Congratulations to Cassie and Will!
- The group's first paper was accepted in Physical Chemistry Chemical Physics! The paper is titled "Excited-state dynamics and efficient triplet formation in phenylthiophene compounds".
- Congratulations to Cassie Ward for passing her oral comprehensive exam!
- The Elles Group received the 2011 Kansas EPSCoR First Award!
- Jenna Wasylenko received the Madison and Lila Self Graduate Fellowship for 2011-2015. Congratulations, Jenna!
- The whole group traveled to Denver, CO to attend the National ACS meeting from August 27-September 1, 2011. Chris gave a talk in the Excited State Dynamics Symposium. Igor and Cassie both presented posters.
- Cassie Ward was awarded the Kenneth L. and Gertrude Irene Marsi Scholarship for superior academic performance by an advanced graduate student.
- Jenna Wasylenko was awarded the Adrienne Hiscox Mitchell Scholarship given to an outstanding female graduate student.
- Congratulations Cassie and Jenna!
- Congratulations Cassie and Jenna!