Lead-free perovskite nanocrystals for photo-induced water splitting
Project Description
Lead-free perovskites have been found to be much more resistant to degradation in water and air than more conventional lead based materials. Here we propose to use lead-free perovskites as photocatalysts in a water splitting experiment. Our group has found that natural double and triple perovskites, using transition metals as the B groups can absorb light, separate charges and donate charges to other molecules in redox reactions. The photoactive nanocrystals will be synthesized by the hot-injection method and characterized by TEM. In the reaction, these NCs are excited using a UV-blue laser or solar simulator and the evolution of hydrogen and oxygen will be monitored by gas chromatography in semi-home built steady-state reaction chamber.
HALPERT Jonathan Eugene
Course type
Applicant's Roles
The student will build the water splitting apparatus and test a target perovskite material for use in photoinduced water splitting. He will then synthesize the nanomaterials and test them in the water splitting setup. The student will work under the supervision of the PI, Prof Halpert, and a PG student who will help him acclimate to the lab environment. The student will provide regular reports to Prof Halpert.
Applicant's Learning Objectives
The student will learn:
-photoinduced catalysis
-nanocrystal synthesis and characterization
-working with gas evolution experiments: measurements and instrumentation
-how to work efficiently on a research project and project management skills
Complexity of the project