Solution-Processable Epitaxial Metallic Delafossite Oxide Films

被引：31

作者：

Wei, Renhuai ^{[1
]}

Gong, Penglai ^{[2
]}

Zhao, Minglin ^{[3
]}

Tong, Haiyun ^{[1
]}

Tang, Xianwu ^{[1
]}

Hu, Ling ^{[1
]}

Yang, Jie ^{[1
]}

Song, Wenhai ^{[1
]}

Zhu, Xuebin ^{[1
]}

Sun, Yuping ^{[1
,4
,5
]}

机构：

[1] Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Peoples R China

[2] Southern Univ Sci & Technol, Dept Phys, Shenzhen 518055, Peoples R China

[3] Jiangsu Univ Sci & Technol, Dept Phys, Zhenjiang 212003, Jiangsu, Peoples R China

[4] Chinese Acad Sci, High Field Magnet Lab, Hefei 230031, Peoples R China

[5] Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Peoples R China

来源：

ADVANCED FUNCTIONAL MATERIALS | 2020年 / 30卷 / 24期

基金：

中国国家自然科学基金;

关键词：

hydrogen evolution reaction; metallic delafossites; solution; thin films; transparent conductors; SINGLE-CRYSTAL; PDCOO2; SPECTROSCOPY; CHEMISTRY; PTCOO2; GROWTH;

D O I：

10.1002/adfm.202002375

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Metallic delafossites ABO(2), as the new benchmark of ultra-high conductive oxides, have recently attracted great interest. The harsh processing conditions and dimensional sizes obviously limit the fundamental sciences and technological applications. Here, a low-cost and facile solution approach is realized to synthesize epitaxial metallic ABO(2) thin films including PtCoO2, PdCoO2, and PdCrO2 with a dimension up to two-inches in diameter, showing ultra-high room temperature conductivity. The electrical properties, growth mechanisms, and potential technical applications including transparent conducting films and hydrogen evolution reaction activity are unveiled. The achievements of epitaxial metallic delafossites ABO(2) thin films through solution methods will pave the route to producing wafer-scaled ultra-high conductive metallic delafossites.

引用

页数：8

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