One-pot controllable epitaxial growth of Pd-based heterostructures for enhanced formic acid oxidation

被引：28

作者：

Zeng, Tiantian ^{[1
]}

Zheng, Linwei ^{[1
]}

Chen, Haibo ^{[1
]}

Wang, Yanrui ^{[1
]}

Ling, Miao ^{[1
]}

Sun, Shiwei ^{[1
]}

Zhang, Fan ^{[1
]}

Yuan, Weiyong ^{[2
]}

Zhang, Lian Ying ^{[1
,3
]}

机构：

[1] Qingdao Univ, Coll Mat Sci & Engn, Inst Mat Energy & Environm, Qingdao 266071, Peoples R China

[2] Zhejiang Univ, Ningbo Res Inst, Ningbo 315100, Peoples R China

[3] Third Mil Med Univ, State Key Lab Trauma Burn & Combined Injury, Chongqing 400038, Peoples R China

来源：

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2023年 / 656卷

关键词：

Heterostructures; Epitaxial growth; Electrocatalyst; Formic acid oxidation; Direct formic acid fuel cells; EFFICIENT; ETHANOL; ELECTROCATALYSTS; NANOSTRUCTURES; NANOCRYSTALS; METHANOL; NANODENDRITES; NANOSHEETS;

D O I：

10.1016/j.colsurfa.2022.130358

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Epitaxial heterostructures with controlled composition and morphology are of particular interest thanks to their fantastic physicochemical properties for energy, electronic devices, and catalysis. Nonetheless, big challenges remain in the facile and controllable preparation of noble-metal-based heterostructures. Herein, we report one -pot controllable epitaxial growth of Pd-based heterostructures composed of W doped Pd nanosheets growing along the edges of small-nanosheet-assembled Pd nanocrystals by adjusting the decomposition temperature of W (CO)6, which shows greatly enhanced catalytic activity, stability, and selectivity for formic acid oxidation compared to the control samples including small-nanosheet-assembled Pd nanocrystals, Pd nanosheets, and Commercial Pd/C catalysts. Our study demonstrates a convenient method to controllably prepare Pd-based heterostructures, and offers new opportunities to create various epitaxial heterostructures with unique proper-ties and promising applications.

引用

页数：7

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