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2016, Volume 10, Issue 1

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Frontiers of Chemical Science and Engineering >> 2016, Volume 10, Issue 1 doi: 10.1007/s11705-015-1545-z

Development, applications and challenges of ReaxFF reactive force field in molecular simulations

1. School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China. 2. ENN Group, State Key Laboratory of Low Carbon Energy of Coal, Langfang 065001, China. 3. Mechanical and Aerospace Engineering, Carleton University, 1125 Colonel By Drive, Ottawa, Ontario K1S5B6, Canada

Accepted: 2015-11-18 Available online: 2016-02-29
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Abstract

As an advanced and new technology in molecular simulation fields, ReaxFF reactive force field has been developed and widely applied during the last two decades. ReaxFF bridges the gap between quantum chemistry (QC) and non-reactive empirical force field based molecular simulation methods, and aims to provide a transferable potential which can describe many chemical reactions with bond formation and breaking. This review presents an overview of the development and applications of ReaxFF reactive force field in the fields of reaction processes, biology and materials, including (1) the mechanism studies of organic reactions under extreme conditions (like high temperatures and pressures) related with high-energy materials, hydrocarbons and coals, (2) the structural properties of nanomaterials such as graphene oxides, carbon nanotubes, silicon nanowires and metal nanoparticles, (3) interfacial interactions of solid-solid, solid-liquid and biological/inorganic surfaces, (4) the catalytic mechanisms of many types of metals and metal oxides, and (5) electrochemical mechanisms of fuel cells and lithium batteries. The limitations and challenges of ReaxFF reactive force field are also mentioned in this review, which will shed light on its future applications to a wider range of chemical environments.

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