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\subsection{\texorpdfstring{Metal-Organic Interfaces}{MetalOrganic Interfaces}}
\label{sec:metalorganic_interfaces}


We have investigate various phenomena and changes in properties
occurring at interfaces between metal and organic molecules using \emph{ab
initio} density functional theory

\subsubsection{\texorpdfstring{HATCNT on graphene}{HATCNT on graphene}}
\label{sec:hatcnt_on_graphene}


Using \emph{ab initio} density functional theory, we have investigated
the structural and electronic properties of self-assembled HATCN
patterns on graphene.



\subsubsection{\texorpdfstring{HATCN on Au(111) surface}{HATCN on Au111 surface}}
\label{sec:hatcn_on_au111_surface}


Using \emph{ab initio} density functional theory, we have investigated
the self-assembled pattern of HATCN molecules on gold surface.



\subsubsection{\texorpdfstring{DBTP on Ag(111) surface}{DBTP on Ag111 surface}}
\label{sec:dbtp_on_ag111_surface}


Using \emph{ab initio} density functional theory, we have investigated
the electronic structures of self-assembled chains comprising Ag atoms
and organic molecules.



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