Selective Tuning of a Particular Chemical Reaction on Surfaces through Electrical Resonance: An ab Initio Molecular Dynamics Study
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- Selective Tuning of a Particular Chemical Reaction on Surfaces through Electrical Resonance: An ab Initio Molecular Dynamics Study
- Yousaf, Masood; Shin, Dongbin; Ruoff, Rodney S.; Park, Noejung
- Issue Date
- AMER CHEMICAL SOC
- JOURNAL OF PHYSICAL CHEMISTRY LETTERS, v.6, no.24, pp.5094 - 5099
- We used ab initio molecular dynamics (AIMD) to investigate the effect of a monochromatic oscillating electric field in resonance with a particular molecular vibration on surfaces. As a case study, AIMD simulations were carried out for hydroxyl functional groups on graphene. When the frequency of the applied field matches with the C-OH vibration frequency, the amplitude is monotonically amplified, leading to a complete desorption from the surface, overcoming the substantial barrier. This suggests the possibility of activating a particular bond without damaging the remaining surface. We extended this work to the case of the amination of sp2-bonded carbon surfaces and discussed the general perspective that, in general, an unfavorable chemical process can be activated by applying an external electric field with an appropriate resonance frequency.
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