Ken presents some of the group’s nonlinear optics research at the National Meeting for the American Chemical Society!
August, 2023
Congratulations to Nate on passing his oral comprehensive exam! Well done, Nate!
August, 2023
Seth presents his summer research on solvent dependent relaxation dynamics in Au11 nanoclusters at the Physics and Nanoscale Materials REU Symposium. Awesome job, Seth!
August, 2023
Congratulations to Daniel on passing his oral comprehensive exam! Great job, Daniel!
June, 2023
Will successfully defended his thesis! Great work and congratulations, Will!
June, 2023
Seth Nelson joins the group as an undergraduate researcher. Welcome, Seth!
May, 2023
June’s paper on the evolution from Superatom- to plasmon-mediated magnetic circular dichroism in metallic and nonmetallic nanoparticles is published in the Journal of Physical Chemistry Letters. Congrats, June!
May, 2023
Megan’s review paper on recent advances in 2D material theory, synthesis, properties, and applications is published in ACS Nano. Congrats, Megan!
May, 2023
Megan’s paper on subdiffraction spatial resolution with variable-polarization Fourier transform nonlinear optical microscopy is published in Chem. Biomed. Imaging. Congrats, Megan!
March, 2023
Our review on the Magneto-optical Properties of Metal Nanostructures is available ahead of publication at Annual Reviews of Physical Chemistry. Congrats, June!
January, 2023
Ken has been elected to the Board of Directors of the Coblentz Society!
December, 2022
Claudio passed his comprehensive examination. Congratulations, Claudio!
December, 2022
Megan’s tutorial review on Fourier transform nonlinear optics is accepted for publication in ACS Phys. Chem. Au. Nice work, Megan!
December, 2022
Mitch Jensen joins the group. Welcome, Mitch!
December, 2022
Congratulations to Megan on her publication in Nature Materials, which is featured on the journal cover!
November, 2022
Congratulations to Megan on her recent publication and cover of Journal of Physical Chemistry!
October, 2022
Megan and Ariel’s paper on multiphoton excitation and saturable second harmonic generation in redox-exfoliated MoS2 is published in the Journal of Physical Chemistry! Congrats, Megan!
October, 2022
Daniel completes his Second-Year Seminar. Nice work, Dan!
October, 2022
Anthony and Kelle begin their rotation in the Knappenberger Group. Welcome, Anthony and Kelle.
October, 2022
Mitch begins his rotation in the Knappenberger Group. Welcome, Mitch.
August, 2022
Dan completes his first-year committee meeting. Congrats, Dan!
August, 2022
Zhenghao successfully defends his thesis. Congratulations, Zhenghao!
August, 2022
Jo and Wyatt begin their summer rotations in the group. Welcome, Jo and Wyatt!
July, 2022
Will presents his research on monolayer-protected gold clusters at the 75th International Symposium on Molecular Spectroscopy!
June, 2022
Ken gives an invited talk at the Gordon Research Conference on Noble Metal Nanoparticles!
June, 2022
Daniel Germain begins his undergraduate research experience.
June, 2022
Megan gives an invited talk at the 9th Annual Graphene and Beyond Conference!
May, 2022
Congratulations to Megan Steves for successfully defending her doctoral dissertation. Great job, Megan!
May, 2022
Will’s paper on electronic relaxation in hybrid nanoparticles, in collaboration with the Schaak lab, is published in the Journal of Physical Chemistry C!
May, 2022
Claudio successfully completes his second-year seminar. Nice work, Claudio!
April, 2022
Nate successfully completes his second-year seminar. Nice work, Nate!
March, 2022
Carly successfully completes her second-year seminar. Nice work, Carly!
February, 2022
Congratulations to Megan Steves! Megan’s recent paper, “Achieving sub-diffraction spatial resolution using combined Fourier transform spectroscopy and nonlinear optical microscopy” is featured on this issue of The Journal of Chemical Physics and described in this Scilight.
(https://aip.scitation.org/doi/10.1063/10.0009252)
January, 2022
Megan and Will have received departmental awards for their work. Congratulations, Megan and Will!
December, 2021
We are excited that Daniel Heintzelman has joined the group. Welcome, Daniel!
December, 2021
Carly and Claudio successfully completed their first-year committee meetings. Great job, Carly and Claudio!
December, 2021
Nate successfully completes his first-year committee meeting. Great job, Nate!
October, 2021
Megan’s paper on electron-phonon scattering dynamics in 2-D polar metals is published in ACS Nano. Congrats, Megan!
September, 2021
Will and Jordan’s paper on electronic relaxation dynamics of neutral Au38 metal clusters is accepted in the Journal of Chemical Physics. Congrats, Will and Jordan!
September, 2021
Zehua’s paper on chiral surface fields generated by lattice strain in gold nanorods is published in ACS Nanoscience Au. Congrats, Zehua!
September, 2021
Ariel presents her summer research at the 2021 Undergraduate Research Symposium!
August, 2021
Pat’s paper on size-scalable photoluminescence in monolayer protected gold clusters is accepted for publication in the Journal of Physical Chemistry Letters. Congratulations, Pat!
August, 2021
Our review article on super-resolution imaging is accepted for publication by Advances in Physics. Congrats, Tian!
August, 2021
Ken is designated a Senior Member of the Optical Society of America.
July, 2021
Jordan successfully passed his comprehensive oral exam. Congratulations, Jordan!
July, 2021
Pat’s paper on size-scalable photoluminescence in metal nanoclusters is accepted for publication in the Journal of Physical Chemistry Letters. Congratulations, Pat!
July, 2021
Megan, Will, and Tuphan present their research at the International Symposium for Molecular Spectroscopy!
June, 2021
Ariel Struzyk and Max Weissberger begin their undergraduate research experiences!
May, 2021
Carly Mathewson, Claudio Ordonez, and Nate Smith join the group. Welcome, Carly, Claudio, and Nate!
April, 2021
Pat’s paper, in collaboration with the Ackerson Group, on how Pd-atom substitution influences Au25 cluster photoluminescence is published in J. Phys. Chem. C. Congrats, Pat!
March, 2021
Zhenghao and Jordan successfully complete their Second Year Seminars! Great job, Zhenghao and Jordan!
March, 2021
Our chapter on nanomaterial electronic structure via VTVH-MCPL spectroscopy is published in 21st Century Nanoscience – A Handbook; Advanced Analytic Methods and Instrumentation. Congrats, Pat!
December, 2020
Our paper, in collaboration with the Schaak Lab, on the synthesis and electron-phonon dynamics of Au-Pt nanoparticles is published in ACS Nano!
December, 2020
Our paper on spin-polarized emission in metal nanoclusters is accepted for publication in Small. Congrats, Pat!
November, 2020
Jordan receives the Chemistry Graduate Student Teaching Award. Congrats, Jordan!
November, 2020
Ken is elected a Fellow of the American Association for the Advancement of Science (AAAS). Congrats, Ken!
November, 2020
Zehua successfully defends his thesis. Congrats, Zehua!
October, 2020
Our paper on the unexpected non-linear optical properties of 2-D polar metals in collaboration with the Robinson and Crespi Groups is published in Nano Letters. Congrats, Megan and Tian!
October, 2020
Our paper on chiroptical responses of individual 3D micro-helices in collaboration with the Keating and Werner Groups is published in the Journal of Chemical Physics. Congrats, Zehua and Tian!
October, 2020
Our paper on resolving electron-electron scattering in gold nanorods through 2DES is published in Nano Letters. Congrats, Will!
September, 2020
Megan and Ken present some of the group’s work at the virtual 2020 Fall ACS National Meeting!
August, 2020
Our paper on photoluminescence of single gold nanorods under nonlinear excitation is published in the Journal of Chemical Physics. Congrats, Tian and Zehua!
August, 2020
Congrats to Jordan for completing his first-year committee meeting. Great job, Jordan!
August, 2020
Congrats to Zhenghao for completing his first-year committee meeting. Great job, Zhenghao!
August, 2020
Congrats to Will for passing his comprehensive exam! Great job, Will!
March, 2020
Ken travels to Texas to present some of the group’s work at the 2020 Gordon Research Conference on Atomic Precision in Nanochemistry!
February, 2020
Jordan Wallace and Zhenghao Yuan join the group. Welcome, Jordan and Zhenghao!
November, 2019
Congrats to Megan for passing her comprehensive exam! Great job, Megan!
August, 2019
Congrats to Tian for successfully defending his PhD thesis. Good luck at Princeton, Dr. Zhao!
August, 2019
Hongjun successfully defends his thesis – good luck at Yale Dr. Zheng!
July, 2019
Utsab successfully defends his thesis – nice job Utsab!
June, 2019
Pat successfully defends his thesis – good luck in Oregon Dr. Herbert!
June, 2019
Congrats to Megan and Hongjun for publishing their work on spatially resolved 2DES in Optics Letters.
April, 2019
Our paper on superatom spin-state dynamics in metal nanoclusters is published in the Journal of Chemical Physics. Congrats, Lenzi and Pat!
February, 2019
Our paper on low-temperature magnetism in nanoscale gold through VT-MCD spectroscopy is published in the Journal of Physical Chemistry Letters. Congrats, Pat!
December, 2018
Congrats to Megan for completing her second-year seminar! Great job, Megan!
November, 2018
Our paper on quantification of interface-dependent plasmon quality factors is published in Analytical Chemistry. Congrats, Tian and Megan!
October, 2018
Congrats to Will for completing his second-year seminar. Great job, Will!
October, 2018
Congrats to Will for completing his first-year committee meeting. Nice job, Will!
August, 2018
Hongjun, Pat, Tian, and Ken attend and present the group’s work at the ACS National meeting in Boston, MA.
August, 2018
Ken presents the group’s work on metal nanocluster spin dynamics at ISSPIC 19 in Hangzhou, China.
August, 2018
Our paper on nanocluster dimer electron dynamics is published in the Journal of Physical Chemistry C. Congrats, Pat and Chongyue!
July, 2018
Ken gives an invited talk on ultrafast spectroscopy of metal nanoclusters at Foundations of Nonlinear Optics at Skidmore College.
June, 2018
Congrats to Megan for completing her first-year committee meeting. Nice job, Megan!
June, 2018
Our paper on State-Resolved Dynamics in Metal Nanoparticles is published in Accounts of Chemical Research. Congrats to Tian, Pat, and Hongjun!
May, 2018
Our paper describing axial position localization is published in the Journal of the Optical Society of America B. Congrats, Tian!
April, 2018
Megan Steves and Will Jeffries join the group. Welcome, Megan and Will!
November, 2017
Our paper on variable-temperature, variable-field magnetic circular photoluminescence spectroscopy is accepted for publication in Optics Letters. Congrats to Pat and Utsab!
October, 2017
Our paper on ligand- and solvent-dependent carrier dynamics is published in the Journal of Physical Chemistry. Congrats to Chongyue, Hongjun, and Pat!
October, 2017
The Knappenberger group moves to Penn State!
August, 2017
Jeremy, Lenzi, and Tom receive their Ph.D. degrees during Spring commencement ceremonies. Congrats to Lenzi, Jeremy, and Tom!
April, 2016
Ken returns to Penn State to deliver the Harold Kohn Endowed Alumni Lecture.
April, 2016
Tom, Lenzi, and Jeremy successfully defend their dissertations. Congrats, Dr. Green, Dr. Williams, and Dr. Jarrett!
April, 2016
Jeremy accepts postdoctoral position with Andrew Dunn at UT-Austin. Congrats, Jeremy!
March, 2016
Lenzi accepts postdoctoral position with John Papanikolas at UNC-Chapel Hill. Congrats, Lenzi!
March, 2016
Ken is interviewed by the editors of Spectroscopy. He described our recent research advances using interferometric nonlinear optical imaging of single nanostructures. Read the interview online, here.
February, 2016
2015
Our collaborative work with U. Chicago and AFRL, recently published in Advanced Materials, has been highlighted with a frontispiece!
December 2015
Ken wins Coblentz Award in spectroscopy. Congratulations, Ken!
December 2015
Utsab and Wolfgang join the group. Welcome, Utsab and Wolfgang!
December 2015
Tian passes his oral candidacy exam. Congrats, Tian!
November 2015
Hongjun completed the requirements to become a PhD candidate. Congrats, Hongjun!
October 2015
Ken is at KU-Leuven as a Visiting Lecturer and giving a short course on Femtosecond Transient Spectroscopy.
September 2015
Our recent article on plasmonic nanoparticle assemblies in collaboration with U. Chicago and AFRL has been accepted in Advanced Materials! Additionally, it has been recognized as a VIP (very important paper).
September 2015
Pat completed the requirements to become a PhD candidate. Congrats, Pat!
August 2015
Ken begins Visiting Professorship at Politecnico di Milano.
June 2015
Tom and Jeremy win student awards at the 8th annual NanoFlorida Conference. Congrats Tom and Jeremy!
May 2015
Chongyue Yi successfully defends his doctoral dissertation. Congrats, Dr. Yi!
April 2015
Ken receives the 2015 Florida State University Developing Scholar Award.
March 2015
Ken wins the 2015 Joseph Wang Award for Nanoscience.
February 2015
2014
Hongjun passes his oral candidacy exam. Congrats Hongjun!
December 2014
Jeff Johnson joins the group. Welcome, Jeff!
November 2014
Our group was part of a recent collaboration with an article published in Nature Chemistry. [Article]
March 2014
Congratulations to Lenzi for winning Outstanding Poster Award at the 247th National ACS Meeting!
March 2014
Lenzi, Chongyue, Jeremy, Tom, and Ken attend and present their work at the 247th National ACS Meeting in Dallas, TX.
March 2014
Congratulations to Jeremy and Tom for winning Outstanding Poster Awards at the Southwest Regional Ultrafast Meeting.
March 2014
Lenzi, Chongyue, Jeremy, Tom, and Ken attend and present their work at the Southeast Regional Ultrafast Meeting in Baton Rouge, LA.
January 2014
Tian Zhao joins the Knappenberger group. Welcome Tian!
December 2013
ADDRESS CONTACTS LINKS
Ken Knappenberger Email: klk260@psu.edu Pennsylvania State University
315 Chemistry Building Phone: (814) 865-1228 PSU Chemistry
Pennsylvania State University
University Park, PA 16802