Unveiling the Mechanisms Ruling the Efficient Hydrogen Evolution Reaction with Mitrofanovite Pt3Te4

被引：10

作者：

Boukhvalov, Danil W. ^{[1
,2
]}

Cheng, Jia ^{[3
]}

D'Olimpio, Gianluca ^{[4
,5
]}

Bocquet, Francois C. ^{[6
,7
]}

Kuo, Chia-Nung ^{[8
]}

Sarkar, Anan Bari ^{[9
]}

Ghosh, Barun ^{[9
]}

Vobornik, Ivana ^{[10
]}

Fujii, Jun ^{[10
]}

Hsu, Kuan ^{[11
]}

Wang, Li-Min ^{[11
]}

Azulay, Ori ^{[12
,13
]}

Daptary, Gopi Nath ^{[13
,14
]}

Naveh, Doron ^{[12
,13
]}

Lue, Chin Shan ^{[8
]}

Vorokhta, Mykhailo ^{[15
]}

Agarwal, Amit ^{[9
]}

Zhang, Lixue ^{[3
]}

Politano, Antonio ^{[4
,5
,16
]}

机构：

[1] Nanjing Forestry Univ, Coll Sci, Inst Mat Phys & Chem, Nanjing 210037, Peoples R China

[2] Ural Fed Univ, Theoret Phys & Appl Math Dept, Ekaterinburg 620002, Russia

[3] Qingdao Univ, Coll Chem & Chem Engn, Qingdao 266071, Shandong, Peoples R China

[4] Univ Aquila, INSTM, I-67100 Laquila, AQ, Italy

[5] Univ Aquila, Dept Phys & Chem Sci, I-67100 Laquila, AQ, Italy

[6] Forschungszentrum Julich, Peter Grunberg Inst PGI 3, D-52425 Julich, Germany

[7] Julich Aachen Res Alliance JARA, Fundamentals Future Informat Technol, D-52425 Julich, Germany

[8] Natl Cheng Kung Univ, Dept Phys, Tainan 70101, Taiwan

[9] Indian Inst Technol Kanpur, Dept Phys, Kanpur 208016, Uttar Pradesh, India

[10] CNR IOM, TASC Lab, Area Sci Pk Basovizza, I-34139 Trieste, Italy

[11] Natl Taiwan Univ, Grad Inst Appl Phys, Dept Phys, Taipei 10617, Taiwan

[12] Bar Ilan Univ, Fac Engn, IL-52900 Ramat Gan, Israel

[13] Bar Ilan Univ, Inst Nanotechnol, IL-52900 Ramat Gan, Israel

[14] Bar Ilan Univ, Dept Phys, IL-52900 Ramat Gan, Israel

[15] Charles Univ Prague, Prague 18000, Czech Republic

[16] CNR IMM Ist Microelettron & Microsistemi, I-95121 Catania, Italy

来源：

JOURNAL OF PHYSICAL CHEMISTRY LETTERS | 2021年 / 12卷 / 35期

基金：

中国国家自然科学基金;

关键词：

METAL DICHALCOGENIDES; FILM THICKNESS; SURFACE; CATALYSIS; OXYGEN;

D O I：

10.1021/acs.jpclett.1c01261

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：

By means of electrocatalytic tests, surface-science techniques and density functional theory, we unveil the physicochemical mechanisms ruling the electrocatalytic activity of recently discovered mitrofanovite (Pt3Te4) mineral. Mitrofanovite represents a very promising electrocatalyst candidate for energy-related applications, with a reduction of costs by 47% compared to pure Pt and superior robustness to CO poisoning. We show that Pt3Te4 is a weak topological metal with the Z(2) invariant, exhibiting electrical conductivity (similar to 4 x 10(6) S/m) comparable with pure Pt. In hydrogen evolution reaction (HER), the electrode based on bulk Pt3Te4 shows a very small overpotential of 46 mV at 10 mA cm(-2) and a Tafel slope of 36-49 mV dec(-1) associated with the Volmer-Heyrovsky mechanism. The outstanding ambient stability of Pt3Te4 also provides durability of the electrode and long-term stability of its efficient catalytic performances.

引用

页码：8627 / 8636

页数：10

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