The present invention(s) is directed to novel conductive M.sub.n+1X.sub.n(T.sub.s) compositions exhibiting high volumetric capacitances, and methods of making the same. The present invention(s) is also directed to novel conductive M.sub.n+1X.sub.n(T.sub.s) compositions, methods of preparing transparent conductors using these materials, and products derived from these methods.