摘要
Density functional theory calculations have been performed to investigate the functionalization of two-dimensional hydrogenated hexagonal boron nitride with trichloroethylene (TCE) molecules. The reaction is initiated at a H dangling bond, and two adsorption sites have been considered: on top of a boron atom and on top of a nitrogen atom. Results of the adsorption energy show that chemisorption occurs in both cases. The possibility of a chain reaction with hydrogen abstraction is also investigated: in both cases the final state occurs when the TCE molecule has been dissociated, a chlorine atom is detached from the TCE molecule, which interacts with a hydrogen atom to form an HCl molecule. Analysis of the density of states shows that the dissociated TCE molecule modifies the electronic structure of the hydrogenated 2D systems.
- 出版日期2017-7-1