CONGREVE LAB - Key Persons


Andrew N. Harper

Job Titles:
  • Undergraduate
Andrew N. Harper is a current first-year undergraduate student in the Stanford Materials Science and Engineering program. He is pursuing his bachelor's degree in hopes of transitioning to a graduate school program at the end of 2024. Andrew is a member of the LSJUMB (Marching Band) and is active in many QSR (Queer Student Resources) groups. In his free time, Andrew loves to cook meals, bake, and play the drums. He is excited to be working with all the amazing scientists at Congreve Lab this summer!

Arnold O. Beckman Postdoctoral

Job Titles:
  • Postdoctoral Fellow
Tracy H. Schloemer earned her B.S. in Chemistry and M.A. in educational studies from the University of Michigan. She taught high school chemistry in Denver, Colorado as a Knowles Teaching Initiative fellow and served as a lead contributor to ChemEdX. She earned her Ph.D. in applied chemistry from the Colorado School of Mines in 2019 where she focused on organic semiconductor design for improved operational durability of perovskite solar cells under professor Alan Sellinger and in collaboration with the National Renewable Energy Lab. Her current research focuses on the control and application of excitons. Her interests outside the lab include hiking and cheering on all University of Michigan "sportsball" teams.

Arynn Gallegos

Job Titles:
  • Graduate Student

Dan Congreve

Job Titles:
  • Assistant Professor
  • Scientists - in - Training
Dan received his B.S. and M.S. from Iowa State in 2011, working with Vik Dalal studying defect densities of nano-crystalline and amorphous silicon. He received his PhD from MIT in Electrical Engineering in 2015, studying under Marc Baldo. His thesis work focused on photonic energy conversion using singlet fission and triplet fusion as a downconverting and upconverting process, respectively. He spent a year as a postdoc with Will Tisdale in Chemical Engineering at MIT studying perovskite nanoplatelets. He joined the Rowland Institute in August 2016 and started at Stanford University as an Assistant Professor of Electrical Engineering in 2020. Dan is a 2019 Moore Inventor Fellow, 2020 Terman Faculty Fellow, and co-founder of Quadratic3D, a startup looking to commercialize 3D printing technologies. His current research interests focus on applying nanomaterials and nanotechnology to challenging problems.

Emma Belliveau

Job Titles:
  • Graduate Student
Emma earned her BASc in Nanotechnology Engineering from the University of Waterloo. Her previous research was with professor Vladimir Bulovic at MIT on the scale-up of perovskite solar cells with slot-die coating and the implementation of lower-toxicity solvent. She completed her Capstone project on the design and fabrication of a flexible perovskite photodetector. At Stanford, Emma is working on using upconversion to improve solar cell efficiency. In her free time, Emma enjoys hiking, board games, and playing piano and the bagpipes.

Ghada Ahmed

Job Titles:
  • Postdoctoral Researcher
Ghada Ahmed earned her Ph.D. in Chemistry from King Abdullah University of Science and Technology (KAUST) in 2020, where she focused on the synthesis of perovskite nanocrystals and understanding their photo-physics, particularly the dynamics of photo-generated charge carriers and the mechanisms of defect-state passivation in Mohammed's group. Before joining KAUST, she received her M.S. degree in Nanoscience and Technology at Nile University (NU), and her B.S. in Chemistry from Fayoum University. Her current research interest mainly focuses on studying novel nanoscale materials and their uses in nascent solar and light-harvesting technologies.

Hannah Niese

Job Titles:
  • Researcher from ETH Zürich
  • Visiting Student Researcher
Hannah is a visiting student researcher from ETH Zürich in Switzerland, where she is studying for a MSc in Mechanical Engineering. Here at Stanford she is working on volumetric 3D printing. During previous projects, she worked on instrumentation for Raman Optical Activity (Prof Norris, ETH), nanofabrication of plasmonic modulators (Polariton Technologies), phonon propagation in mechanical metamaterials (Prof Kochmann, ETH) and Photon-induced near-field electron microscopy (Prof Polman, AMOLF). Hannah has a BSc in Mechanical Engineering from ETH Zürich and a BA in European Studies and Spanish from King's College London. In her free time, she enjoys dancing, hiking, skiing, learning languages and drinking tea.

Kealan Fallon

Job Titles:
  • Assistant Professor

Manchen Hu

Job Titles:
  • Graduate Student

Pournima Narayanan

Job Titles:
  • Graduate Student
Pournima Narayanan received her Honors B.Sc. degree in Chemistry from the University of Toronto, where she did her thesis project on the purification of polymer-grafted nanocrystals under Prof. Eugenia Kumacheva. She also worked on the synthesis of semiconductor nanocrystals under Prof. Mark Wilson. As a Stanford Graduate Fellow, Pournima is currently working on the synthesis and applications of stable nanocapsules which perform triplet fusion upconversion. In her free time, Pournima enjoys playing volleyball, tennis, and badminton.

Qi Zhou

Job Titles:
  • Graduate Student
Qi Zhou received her Honors B.S. degree in Materials and Nanoscience from Beijing Jiaotong University and University of Waterloo, where she had multiple research experience on moisture-induced nanogenerators (under Prof. Norman Zhou) and ultrastable polymeric glasses (under Prof. James Forrest). Then, Qi came to Stanford and earned her M.S. in Materials Science and Engineering in 2022. Now, she's continuing to pursue her Ph.D. in Prof. Dan Congreve's group and working on upconversion nanocapsules and their applications in volumetric 3D printing. In her free time, she enjoys watching K-dramas, hiking, etc.

Sam Sanders

Job Titles:
  • Postdoctoral Fellow

Sebastian Fernandez

Job Titles:
  • Graduate Student
Sebastian Fernandez received his B.S. in electrical engineering from the Georgia Institute of Technology in 2019. During his undergraduate years, he conducted cryogenic temperature studies on Silicon-Germanium heterojunction bipolar transistors with Prof. John Cressler. He is currently pursuing his Ph.D. in EE at Stanford University and is working on improving blue perovskite LEDs by analyzing electrical and thermal stressors at the synthesis, materials, and device level. He is supported by the P. Michael Farmwald Stanford Graduate Fellowship as well as a GEM Ph.D. Engineering Fellowship.

Tracy H. Schloemer

Job Titles:
  • Postdoctoral Researcher
Tracy H. Schloemer earned her B.S. in Chemistry and M.A. in educational studies from the University of Michigan. She taught high school chemistry in Denver, Colorado as a Knowles Teaching Initiative fellow and served as a lead contributor to ChemEdX. She earned her Ph.D. in applied chemistry from the Colorado School of Mines in 2019 where she focused on organic semiconductor design for improved operational durability of perovskite solar cells under professor Alan Sellinger and in collaboration with the National Renewable Energy Lab. Her current research focuses on the control and application of excitons. Her interests outside the lab include hiking and cheering on all University of Michigan "sportsball" teams.

Will Michaels

Job Titles:
  • Undergraduate
Will Michaels is a current undergraduate studying electrical engineering at Stanford. He is interested in perovskite LEDs and improving their efficiency, as well as thermal and electrical stability. Previously, he has worked at SLAC National Accelerator Laboratory on the MAGIS-100 quantum sensing experiment. Outside of the lab he enjoys hiking, running, and reading.