It is shown that lines of adsorbed hydrogen pair atoms divide the graphene sheet into strips and form hydrogen-based superlattice structures (2HG-SL). We show that the forming of 2HG-SL drastically changes the electronic properties of graphene from semimetal to semiconductor. The electronic spectra of "zigzag" (n,0) 2HG-SL is similar to that of (n,0) carbon nanotubes and have a similar oscillation of band gap with number n, but with non-zero minimal values. The composite dual-periodic (n,0)+(m,0) 2HG-SLs of "zigzag" strips are analyzed, with the conclusion that they may be treated as quasi-two-dimensional heterostructures. We also suggest an experimental way of fabricating hydrogen superlattices.
@article{arxiv.0709.1015,
title = {Two-dimensional semiconducting nanostructures based on single graphene sheets with lines of adsorbed hydrogen atoms},
author = {Leonid A. Chernozatonskii and Pavel B. Sorokin and Jochen W. Bruning},
journal= {arXiv preprint arXiv:0709.1015},
year = {2009}
}