Insérer un quadrillage dans des courbes pgfplots

\documentclass{yathesis}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage{pgfplots}
\usetikzlibrary{calc}
\usepackage{subfig}%\usepackage{floatrow}
\pgfplotsset{
  grid style = {
    dash pattern = on 0.05mm off 1mm,
    line cap = round,
    black,
    line width = 0.5pt
  }
}

\begin{document}
\begin{figure}
    \begin{center}
    \subfloat[OSS-$\alpha$-CD-(DOM-{[1]}-Me)1,6]{
        \begin{tikzpicture}[scale=0.75]
        \begin{semilogxaxis}[
        xlabel=Taille (nm),
        ylabel=Intensité (\%),
        grid = major]
    \addplot coordinates {
        (0,1) (1,10) (2,100)
        };
        \end{semilogxaxis}
        \end{tikzpicture}
        }
    \subfloat[OSS-$\alpha$-CD-(DOM-{[1]}-Na)1,5]{
        \begin{tikzpicture}[scale=0.75]
    \begin{semilogxaxis}[
    xlabel=Taille (nm),
    ylabel=Intensité (\%),
        grid = major]
    \addplot coordinates {%
    (0,1) (1,10) (2,100)
    };
    \end{semilogxaxis}
    \end{tikzpicture}
    }
    \end{center}

    \begin{center}
    \subfloat[OSS-$\beta$-CD-(DOM-{[1]}-Me)1,6]{%
        \begin{tikzpicture}[scale=0.75]%
        \begin{semilogxaxis}[%
        xlabel=Taille (nm),
        ylabel=Intensité (\%),
        grid = major]%
        \addplot coordinates {
        (0,1) (1,10) (2,100)
     };
        \end{semilogxaxis}
        \end{tikzpicture}
       }
    \end{center}
    \caption{Analyses de tensiométrie de différentes OSS-CDs}
    \label{tensiom}
\end{figure} 
\end{document}