Tag: quantum dots

June 5, 2014

Joseph’s paper on midgap excitations is now online

One of Joseph’s last submitted papers, “Tunable Mid-Gap Excitations in Co2+-doped ZnO Quantum Dots: Effect of Excited State Structural Relaxation” has been accepted to the Journal of Physical Chemistry C. The paper studies midgap excitations within Co2+-doped ZnO quantum dots using Density Functional Theory.

March 25, 2014

Two new papers with our collaborators now available online

Ongoing collaborative work with Professors Daniel R. Gamelin and David S. Ginger at the University of Washington have resulted in two new publications: “Direct Measurement of Acceptor Group Localization on Donor–Acceptor Polymers Using Resonant Auger Spectroscopy” and “Ferromagnetic excited-state Mn2+ dimers in Zn1−xMnxSe quantum dots observed by time-resolved magnetophotoluminescence“. In the first publication, Phu Nguyen […]

March 18, 2014

Bo’s paper on anisotropic dopant-carrier exchange interactions is now online

Bo Peng’s paper titled “Effects of Crystallographic and Shape Anisotropies on Dopant-Carrier Exchange Interactions in Magnetic Semiconductor Quantum Dots” is now available online in The Journal of Physical Chemistry C. This paper examines the role of nanocrystal shape and crystalline anisotropy on carrier-mediated magnetism in diluted magnetic semiconductor nanocrystals using density functional theory and analytical […]

February 3, 2014

David Lingerfelt’s first-ever publication just accepted!

David Lingerfelt’s paper titled “Dynamical Investigations of Inhomogenous Vibrational Broadening in Diluted Magnetic Semiconductor Nanocrystals” was just accepted for publication in the Journal of Physical Chemistry C. This is David’s first publication in the Li group and his first-ever publication in a peer-reviewed journal. Congratulations David! The paper presents a method for simulating finite-temperature, inhomogenously […]

April 25, 2013

Joseph wins CCG Excellence Award for the Fall 2013 ACS National Meeting

Congratulations, Joseph! Joseph is one of five recipients of the Chemical Computing Group (CCG) and the American Chemical Society’s (ACS) Division of Computers in Chemistry (COMP) Excellence Award for the Fall 2013 ACS National Meeting in Indiana. Joseph will receive financial support to present his poster titled, Theoretical investigation of ion diffusion pathways in II-VI […]

March 7, 2013

Bo and Jeremy passed the departmental second year exam

Congratulations to Bo Peng and Jeremy Lehner for passing the departmental second-year exam. Bo presented his work on anisotropic exchange splittings in transition-metal-doped II-VI semiconducting nanocrystals. Jeremy presented his work on geometry optimization, discussing a modification to the rational function optimization for transition state optimizations.

June 18, 2012

Sara Tweedy joins the group as part of the Amgen Scholars program

The Li group welcomes Sara Tweedy, an undergraduate from Harvey Mudd College, to the group. Sara joins the group as part of the Amgen Scholars Summer Research Program in Science and Biotechnology. The program “provides hundreds of selected undergraduate students with the opportunity to engage in hands-on research experience at some of the nation’s leading […]

June 12, 2012

Joseph passes his general exam

Congratulations to Joseph May for passing his third-year general examination. Joseph presented his work “Manipulating the Optical and Magnetic Properties of Zinc Oxide Quantum Dots”. Joseph is now a doctoral candidate and is free from worrying about exams until he defends his dissertation in a couple of years.