High-surface-area ceria prepared by ALD on Al<sub>2</sub>O<sub>3</sub> support

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High-surface-area ceria prepared by ALD on Al₂O₃ support

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作者：Tzia Ming Onn^a ; ^{tonn@seas.upenn.edu" class="auth_mail" title="E-mail the corresponding author} ; Shuyi Zhang^b ; ^c ; Lisandra Arroyo-Ramirez^a ; Ye Xia^a ; Cong Wang^a ; Xiaoqing Pan^b ; ^d ; George W. Graham^b ; ^c ; Raymond J. Gorte^a
关键词：Ceria ; Thermal stability ; Atomic layer deposition ; Palladium ; Water gas shift reaction ; Redox properties
刊名：Applied Catalysis B: Environmental
出版年：2017
出版时间：February 2017
年：2017
卷：201
期：Complete
页码：430-437
全文大小：1717 K

文摘

class="label">•: Active high-surface-area ceria support was prepared by Atomic Layer Deposition (ALD) of CeO₂ on porous Al₂O₃.
class="label">•: TEM shows CeO₂ added by ALD forms a conformal film over the Al₂O₃.
class="label">•: Pd-impregnated on the ALD-modified support exhibits higher WGS and CO-oxidation rates due to the improved Pd-ceria contact.
class="label">•: The ALD-prepared catalyst shows improved thermal stability compared to bulk CeO₂.

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