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N-doped ZnO nanosheets: towards high performance two dimensional catalysts

机译:n掺杂的ZnO纳米蛋白酶:朝向高性能二维催化剂

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摘要

Recently, catalytic activity of atomically thin two dimensional (2D) materials has attracted great interest. In this paper, via first principles calculations, we show for the first time that N-doped 2D one-atom-thick ZnO nanosheets exhibit high catalytic activity towards CO oxidation. A pristine 2D ZnO nanosheet is chemically inert and as a result, CO and O-2 molecules do not chemically bind on the nanosheet. Our calculations predict that the N doping activates the ZnO sheet, leading to strong CO and O-2 adsorptions. We further show that the CO oxidation catalyzed by the N-doped 2D ZnO sheet has a low reaction barrier around 0.5 eV. Besides high catalytic activity, the N-doped 2D ZnO sheet also demonstrates intriguing electronic and magnetic properties. These findings provide new opportunities for the future development of high performance 2D catalysts.
机译:最近,原子薄二维(2D)材料的催化活性引起了极大的兴趣。 本文通过第一原理计算,我们首次显示N掺杂的2D单浓ZnO纳米型朝向共氧化的高催化活性。 原始2D ZnO纳米片是化学惰性的,结果,CO和O-2分子在纳米片上没有化学结合。 我们的计算预测N掺杂激活ZnO片,导致强效应CO和O-2吸附。 我们进一步表明,由N掺杂的2D ZnO片材催化的CO氧化在0.5eV中的低反应屏障。 除了高催化活性外,N掺杂的2D ZnO片也表明了有趣的电子和磁性。 这些调查结果为未来的高性能2D催化剂的发展提供了新的机会。

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