Citation: Fang-Yuan CHENG, Jae-Ha MYUNG, Kui XIE. Porous Iron Single Crystals at 2 cm Scale Delivering Enhanced Electrocatalysis Performance[J]. Chinese Journal of Structural Chemistry, ;2020, 39(11): 2033-2040. doi: 10.14102/j.cnki.0254–5861.2011–2743 shu

Porous Iron Single Crystals at 2 cm Scale Delivering Enhanced Electrocatalysis Performance

Fang-Yuan CHENG ^{a, b} ,
Jae-Ha MYUNG ^b ,
Kui XIE ^{a, b,,}

a.
College of Chemistry and Materials Science, Fujian Normal University, Fuzhou 350007, China
b.
Key Laboratory of Design & Assembly of Functional Nanostructures, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China

Corresponding author: Kui XIE, kxie@fjirsm.ac.cn
Received Date: 20 January 2020
Accepted Date: 16 March 2020

Fund Project: the Natural Science Foundation of China 91845202the Natural Science Foundation of China 21750110433Dalian National Laboratory for Clean Energy DNL180404Strategic Priority Research Program of Chinese Academy of Sciences XDB2000000

Figures(8)

Porous single crystals would significantly enhance their catalysis functionalities owing to the combination of structural coherence and porous microstructures. Porous single crystals have wormhole microstructures and then we define them as wormcrystals. The twisted surfaces in porous microstructures would produce surface lattice distortions that give rise to high-energy active surfaces. Here we grow porous iron single crystals at an unprecedented 2 cm scale with a lattice reconstruction strategy and create high-energy surfaces through the control of lattice distortions within a thickness region of 1~2 nm. The porous iron crystal therefore boosts electrochemical reduction of nitrobenzene to aminobenzene with ~100% conversion and > 95% selectivity. The exceptionally high current densities with porous iron crystals represent the first level electrocatalysis performance. The current work would open a new pathway not only to the creation of high energy surfaces but also to the growth of porous single crystals at large scales in wealth of other materials.
- porous single crystals,
- twisted surfaces,
- lattice distortions,
- electrocatalysis
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