AVS 65th International Symposium & Exhibition | |
Thin Films Division | Thursday Sessions |
Session TF+PS-ThM |
Session: | Deposition Processes for 3D and Extreme Geometries |
Presenter: | Haoming Yan, University of Alabama |
Authors: | H.M. Yan, University of Alabama X.Z. Yu, University of Alabama Q. Peng, University of Alabama |
Correspondent: | Click to Email |
CeO2 has attracted lots of attention due to its superior oxygen storage and donating ability as a catalyst support. CeO2 nanorods has the best donating ability than all the other types of CeO2 materials. However, the nanorods change its morphology and lose its activity at 400°C or above. Therefore, improving the thermal stability of CeO2 nanorods can unlock the potential applications of CeO2 nanorods in the high temperature applications. In this work, we introduce a diffusion-limited Al2O3 atomic layer deposition to selectively passivate the surface site of CeO2 nanorods, largely enhancing its thermal stability and its oxygen storage capacity simultaneously.