Welcome

Our group performs time-resolved optical studies of excited-state dynamics in materials for applications in energy conversion and energy storage. We are associated with the Department of Chemical & Environmental Engineering and the Energy Sciences Institute at Yale University. We are always looking for prospective PhD students with backgrounds in Engineering, Materials Science, Physics, Chemistry. Students interested in applying could reach out to Prof. Guo via email.

News

September 3, 2026
Peijun receives the 2026 AIChE Owens Corning Early Career Award!. The Owens Corning Early Career Award recognizes outstanding independent contributions to the scientific,...
September 1, 2026
Congratulations to Conrad and the team on the publication of our work on transducer-free measurements of thermal transport in semiconducting molecular and polymer thin films...
August 25, 2026
Our work on a long-lived metastable phase in the double perovskite Cs2AgInCl6 has been published in Science Advances. A summary and highlight of the work can be found on the...